69.3°F
Current conditions from King Hill
Updated every 5 minutes
 
  Monday May 30, 2016

Westford: May 2016
LOCAL CLIMATOLOGICAL DATA Monthly Summary
May 2016
Station: Westford Latitude: 44° 37' 39" N Longitude: 73° 02' 29" W Elevation (ground): 850 feet Time Zone: Eastern +--+-------------------------------+----+---------+---------+--+-----------+--------------------+-----------------------------+------+ | | Temperature | |Deg. Days|Precip Ty| | Precip | Pressure | Wind |Solar | | +------+------+------+------+---+ Hu-+----+----+1 fog | S+-----+-----+ Adj. to Sea Level +----+----+---+-------+-------+------+ | | M | M | A | | |mid-| H | C |2 hvy fog| n| | Ice +------+------+------+ Avg| Res|Res| Peak |2Minute| Mean | | | a | i | v | | D | ity| e | o |3 thunder| o|Water| plts| | | | | | +---+---+---+---+ W | | | x | n | e | | e | | a | o |4 ice plt| w| | | | | | S | S | | S | | S | | a | | D| i | i | r | M | w | M | t | l |5 hail | | E | S | | | M | p | p | | p | | p | | t | | a| m | m | a | e | | e | i | i |6 glaze | C| q | n | M | M | e | e | e | D | e | D | e | D | t | | t| u | u | g | a | P | a | n | n |7 duststm| v| u | o | a | i | a | e | e | i | e | i | e | i | s | | e| m | m | e | n | t | n | g | g |8 smk, hz| r| v | w | x | n | n | d | d | r | d | r | d | r | m^2 | | | | | | | | | | |9 blw snw| | | | | | | | | | | | | | | | 1| 2 | 3 | 4A | 4B | 5 | 6 | 7 | 8 | 9 |10| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18| 19| 20| 21| 22| 23 | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ |01| 48.5 | 39.8 | 44.2 | 44.3 | 35| 73| 20| 0|.........| 0| 0.27| 0.0| 30.15| 30.01|30.100| 0.8| 0.7|208| 11|WSW| 7|219| 64 | |02| 45.4 | 40.2 | 42.8 | 42.3 | 41| 95| 22| 0|.........| 0| 0.38| 0.0| 30.02| 29.86|29.935| 0.3| 0.2|317| 10| NW| 6|311| 46 | |03| 48.6 | 35.6 | 42.1 | 42.3 | 39| 89| 22| 0|.........| 0| 0.00| 0.0| 29.93| 29.81|29.871| 0.2| 0.1| 38| 7| N| 4| 57| 92 | |04| 55.4 | 35.5 | 45.5 | 45.7 | 41| 85| 19| 0|.........| 0| 0.04| 0.0| 29.81| 29.76|29.785| 1.2| 1.2|189| 14|SSW| 8|192| 110 | |05| 59.8 | 42.8 | 51.3 | 50.4 | 43| 78| 13| 0|.........| 0| 0.00| 0.0| 29.80| 29.71|29.758| 1.3| 1.3| 31| 14| N| 7| 25| 128 | | | | | | | | | | | | | | | | | | | | | | | | | | |06| 72.8 | 39.5 | 56.2 | 56.0 | 43| 64| 8| 0|.........| 0| 0.00| 0.0| 29.82| 29.70|29.764| 1.3| 1.2|352| 16|NNE| 9|306| 285 | |07| 71.6 | 48.4 | 60.0 | 59.4 | 49| 70| 5| 0|.........| 0| 0.00| 0.0| 29.79| 29.54|29.679| 3.5| 3.5|198| 18|SSW| 10|230| 261 | |08| 54.2 | 34.3 | 44.3 | 45.4 | 40| 81| 21| 0|.........| 0| 0.62| 0.0| 29.80| 29.41|29.574| 5.2| 3.2|261| 24| NW| 14|304| 50 | |09| 49.2 | 31.4*| 40.3 | 40.0 | 26| 59| 25| 0|.........| 0| 0.00| 0.0| 30.09| 29.80|29.942| 2.5| 2.5|298| 25| NW| 16|310| 179 | |10| 65.4 | 35.8 | 50.6 | 50.4 | 32| 51| 14| 0|.........| 0| 0.00| 0.0| 30.20| 30.08|30.135| 0.9| 0.9|309| 16| NW| 8|285| 303 | | | | | | | | | | | | | | | | | | | | | | | | | | |11| 68.6 | 40.2 | 54.4 | 54.3 | 33| 48| 10| 0|.........| 0| 0.00| 0.0| 30.19| 30.09|30.138| 0.8| 0.8|319| 16| NW| 9|307| 299 | |12| 80.6 | 41.6 | 61.1 | 62.4 | 37| 42| 3| 0|.........| 0| 0.00| 0.0| 30.14| 29.85|30.016| 0.8| 0.8|219| 13| SW| 8|215| 283 | |13| 71.0 | 55.0 | 63.0 | 60.3 | 49| 70| 2| 0|.........| 0| 0.27| 0.0| 29.85| 29.64|29.710| 4.4| 4.4|204| 27| S| 15|212| 88 | |14| 70.4 | 46.8 | 58.6 | 58.3 | 48| 70| 6| 0|.........| 0| 0.16| 0.0| 29.69| 29.44|29.582| 3.0| 2.6|233| 24| W| 12|244| 224 | |15| 50.0 | 34.5 | 42.3 | 42.4 | 37| 83| 22| 0|.........| 0| 0.37| 0.0| 29.74| 29.49|29.563| 4.0| 3.9|284| 24|WNW| 13|286| 100 | | | | | | | | | | | | | | | | | | | | | | | | | | |16| 45.8 | 33.9 | 39.8*| 39.4 | 29| 67| 25| 0|.........| 0| 0.00| 0.0| 30.02| 29.73|29.846| 4.8| 4.8|292| 24| W| 14|289| 65 | |17| 62.3 | 35.8 | 49.0 | 48.2 | 34| 60| 16| 0|.........| 0| 0.00| 0.0| 30.11| 30.01|30.062| 1.1| 1.0|314| 19| W| 12|320| 305 | |18| 62.2 | 40.1 | 51.2 | 50.1 | 40| 70| 14| 0|.........| 0| 0.00| 0.0| 30.17| 30.07|30.115| 0.4| 0.4|326| 16|WNW| 10|298| 215 | |19| 67.8 | 40.3 | 54.1 | 53.8 | 41| 66| 11| 0|.........| 0| T | 0.0| 30.10| 30.01|30.053| 1.2| 1.1|301| 22|WNW| 8|298| 268 | |20| 73.5 | 40.2 | 56.8 | 57.3 | 42| 62| 8| 0|.........| 0| 0.00| 0.0| 30.20| 30.09|30.134| 0.8| 0.6|286| 16|WNW| 8|312| 301 | | | | | | | | | | | | | | | | | | | | | | | | | | |21| 74.0 | 48.1 | 61.0 | 61.4 | 44| 56| 4| 0|.........| 0| 0.00| 0.0| 30.10| 29.82|29.970| 1.7| 1.6|223| 15|WNW| 9|214| 214 | |22| 76.0 | 48.1 | 62.0 | 58.7 | 50| 74| 3| 0|.........| 0| 0.06| 0.0| 29.88| 29.76|29.815| 0.8| 0.7|320| 14|WNW| 8|294| 205 | |23| 79.2 | 45.1 | 62.1 | 61.8 | 46| 64| 3| 0|.........| 0| 0.01| 0.0| 29.93| 29.83|29.888| 0.4| 0.3|349| 16| N| 7|302| 307 | |24| 81.2 | 46.7 | 63.9 | 64.0 | 48| 58| 1| 0|.........| 0| 0.00| 0.0| 29.88| 29.81|29.847| 1.8| 1.6|224| 19|SSW| 9|227| 280 | |25| 82.1 | 53.2 | 67.7 | 67.0 | 54| 66| 0| 3|.........| 0| 0.00| 0.0| 30.00| 29.84|29.897| 2.1| 1.9|222| 20| S| 10|207| 233 | | | | | | | | | | | | | | | | | | | | | | | | | | |26| 78.5 | 49.0 | 63.8 | 65.1 | 53| 67| 1| 0|.........| 0| 0.00| 0.0| 30.09| 29.94|30.018| 0.2| 0.1| 27| 13| N| 6| 34| 282 | |27| 87.5*| 62.7 | 75.1*| 75.7 | 63| 65| 0| 11|.........| 0| T | 0.0| 29.95| 29.83|29.901| 2.2| 2.2|214| 19|SSW| 12|217| 284 | |28| 87.0 | 63.1 | 75.1 | 75.1 | 65| 72| 0| 10|.........| 0| 0.00| 0.0| 30.03| 29.92|29.994| 0.4| 0.2|297| 9| W| 5|301| 270 | |29| 85.3 | 59.8 | 72.6 | 70.1 | 65| 84| 0| 8|.........| 0| 0.36| 0.0| 30.04| 29.91|29.991| 1.3| 1.3|214| 19|SSW| 8|211| 170 | |30| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |31| | | | | | | | | | | | | | | | | | | | | | | | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- | +------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+ |1953.9|1267.5|------|------|---|----| 298| 32| Days | 2.54| 0.0| 30.20| 29.41|29.900| 1.6| 1.0|255| 27| S| 16|310| ---- | +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg | +------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+ | 67.4| 43.7| 55.5 | 55.6 | 44|69.5|----|----|≥.01 Inch 10|13.50| 38.7| 10 | 8 |------|----|----|---| 13 | 9 | 197| +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+ | | Season |Snow, Ice | | | | Number of Days | to Date |≥1.0 Inch 0| Greatest in 24 Hours and Dates | Greatest Depth on Ground | +------------------+-----------------+----+----+------------+--------------+-----------------+ of Snow, Ice Pellets or Ice | | Max Temperature | Min Temperature |7004| 32|Thunder 0|Precipitation | Snow, Ice Plts | and Date | +--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+ | ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 0.62| 8 | 0.0 | - | 0 | - | +--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+ | 0 | 0 | 1 | 0 |----|----| Clear 8 Partly Cloudy 10 Cloudy 10 | +--------+---------+--------+--------+----+----+------------------------------------------+ NOTES: Data in column 4A are (MAX+MIN) / 2, whereas data in columns 4B, 5, 6, 15, 16, 23 are means via continuous observations Units are: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches. for 24 hours. Column 5: Dew point is calculated from temperature and humidity and is continuously averaged for 24 hours. Columns 7, 8: Degree Days heating base is 65°F, cooling base is 65°F. Data in columns 9, 10, 12 are entered manually by the station observer. Columns 17-18: Resultant wind is calculated by the vector sum of continuous wind observations. Column 23: Solar Radiation is measured in Watts/m^2 and is continuously averaged for 24 hours. Data in columns 4B, 5, 6, 15, 16, 23 are updated continuously, there by achieving a "true" mean.
OBSERVATIONS AT 3-HOUR INTERVALS
May 2016: Westford
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind | | | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | | H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | | o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | | u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | | r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 1 | MAY 2 | MAY 3 | | | | | |01| 0|30.15| 0.00| 42| 26| 53|02| 0| 0| 0|30.01| 0.00| 41| 40| 95|18| 0| 1| 0|29.92| 0.00| 41| 41| 97|32| 0| 0| |04| 0|30.13| 0.00| 41| 24| 51|02| 0| 0| 0|29.97| 0.00| 41| 40| 96|19| 0| 0| 0|29.91| 0.00| 40| 40| 97|32| 0| 0| |07| 40|30.12| 0.00| 42| 28| 59|33| 0| 0| 40|29.96| 0.00| 40| 39| 96|15| 0| 2| 32|29.91| 0.00| 39| 38| 97|32| 0| 0| |10| 160|30.13| 0.00| 48| 31| 51|23| 3| 11| 156|29.94| 0.00| 44| 41| 91|06| 0| 0| 79|29.91| 0.00| 41| 39| 92|01| 0| 0| |13| 178|30.14| 0.07| 46| 44| 93|22| 0| 0| 79|29.91| 0.05| 44| 42| 93|04| 0| 0| 281|29.88| 0.00| 44| 39| 84|06| 0| 5| |16| 127|30.07| 0.00| 46| 44| 93|09| 0| 0| 105|29.89| 0.07| 44| 42| 96|05| 0| 0| 267|29.83| 0.00| 48| 40| 73|01| 0| 7| |19| 16|30.03| 0.00| 45| 43| 94|14| 3| 6| 11|29.91| 0.00| 43| 42| 96|30| 0| 7| 107|29.82| 0.00| 48| 40| 73|06| 1| 4| |22| 0|30.04| 0.00| 43| 41| 95|20| 0| 0| 0|29.93| 0.00| 42| 41| 97|32| 0| 0| 0|29.82| 0.00| 40| 38| 94|06| 0| 2| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 4 | MAY 5 | MAY 6 | | | | | |01| 0|29.80| 0.00| 36| 35| 96|06| 0| 0| 0|29.79| 0.00| 44| 43| 97|20| 0| 0| 0|29.72| 0.00| 46| 40| 80|01| 0| 7| |04| 0|29.77| 0.00| 37| 36| 97|06| 0| 0| 0|29.75| 0.00| 43| 43| 97|20| 0| 0| 0|29.71| 0.00| 42| 38| 85|03| 2| 8| |07| 109|29.78| 0.00| 40| 40| 97|02| 0| 0| 91|29.77| 0.00| 45| 43| 95|05| 0| 4| 49|29.77| 0.00| 42| 39| 87|02| 1| 8| |10| 248|29.80| 0.00| 51| 44| 76|22| 3| 8| 216|29.79| 0.00| 51| 45| 80|05| 0| 0| 659|29.81| 0.00| 57| 43| 60|34| 3| 8| |13| 221|29.78| 0.00| 55| 45| 69|19| 0| 11| 276|29.76| 0.00| 55| 45| 69|00| 0| 9| 846|29.80| 0.00| 65| 44| 47|34| 0| 12| |16| 279|29.76| 0.00| 55| 43| 65|20| 3| 9| 816|29.74| 0.00| 60| 45| 59|01| 4| 11| 624|29.76| 0.00| 70| 45| 40|01| 6| 12| |19| 9|29.79| 0.09| 47| 44| 87|20| 0| 7| 69|29.73| 0.00| 56| 43| 62|03| 2| 10| 95|29.75| 0.00| 66| 45| 46|29| 0| 0| |22| 0|29.80| 0.00| 44| 42| 96|20| 0| 0| 0|29.73| 0.00| 52| 42| 67|03| 4| 10| 0|29.79| 0.00| 60| 47| 61|18| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 7 | MAY 8 | MAY 9 | | | | | |01| 0|29.78| 0.00| 58| 50| 76|17| 4| 8| 0|29.54| 0.00| 54| 48| 81|21| 9| 22| 0|29.80| 0.00| 33| 27| 78|06| 0| 0| |04| 0|29.76| 0.00| 52| 47| 83|19| 3| 9| 0|29.47| 0.00| 53| 48| 83|19| 2| 10| 0|29.84| 0.00| 33| 27| 81|29| 0| 0| |07| 67|29.78| 0.00| 51| 47| 86|15| 1| 11| 83|29.42| 0.00| 53| 48| 84|21| 9| 16| 60|29.91| 0.00| 33| 27| 76|30| 1| 10| |10| 538|29.75| 0.00| 61| 50| 67|19| 4| 10| 37|29.44| 0.42| 46| 44| 94|29| 8| 16| 772|29.91| 0.00| 41| 26| 55|32| 8| 15| |13| 969|29.67| 0.00| 69| 49| 50|17| 5| 11| 83|29.57| 0.00| 39| 36| 92|30| 1| 14| 285|29.96| 0.00| 44| 25| 48|28| 6| 15| |16| 647|29.60| 0.00| 71| 49| 46|17| 4| 12| 204|29.64| 0.00| 43| 33| 68|31| 9| 19| 209|29.99| 0.00| 46| 24| 43|28| 10| 21| |19| 79|29.57| 0.00| 62| 50| 66|17| 5| 10| 56|29.71| 0.00| 43| 33| 67|30| 0| 14| 116|30.01| 0.00| 48| 25| 40|29| 1| 16| |22| 0|29.55| 0.00| 56| 49| 79|20| 3| 13| 0|29.76| 0.00| 39| 32| 74|30| 0| 12| 0|30.06| 0.00| 41| 24| 50|28| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 10 | MAY 11 | MAY 12 | | | | | |01| 0|30.11| 0.00| 37| 26| 63|28| 0| 0| 0|30.12| 0.00| 46| 36| 67|01| 0| 0| 0|30.12| 0.00| 48| 31| 52|01| 0| 0| |04| 0|30.14| 0.00| 36| 29| 73|28| 0| 0| 0|30.14| 0.00| 41| 35| 80|01| 0| 0| 0|30.11| 0.00| 43| 32| 63|01| 0| 0| |07| 51|30.17| 0.00| 39| 29| 66|21| 0| 0| 44|30.17| 0.00| 42| 35| 74|30| 0| 0| 76|30.13| 0.00| 46| 34| 62|33| 0| 0| |10| 668|30.20| 0.00| 50| 32| 51|26| 3| 12| 673|30.18| 0.00| 58| 32| 38|31| 1| 7| 626|30.08| 0.00| 67| 37| 33|22| 1| 7| |13| 865|30.16| 0.00| 59| 36| 42|31| 5| 16| 860|30.16| 0.00| 62| 32| 32|04| 1| 9| 837|30.01| 0.00| 74| 40| 29|20| 0| 13| |16| 636|30.11| 0.00| 65| 37| 35|34| 1| 8| 612|30.11| 0.00| 66| 31| 27|35| 2| 10| 540|29.95| 0.00| 80| 42| 26|19| 2| 8| |19| 95|30.08| 0.00| 62| 34| 35|00| 0| 0| 93|30.10| 0.00| 66| 31| 27|34| 1| 5| 62|29.90| 0.00| 77| 43| 30|21| 0| 5| |22| 0|30.11| 0.00| 51| 33| 49|27| 0| 0| 0|30.13| 0.00| 52| 33| 49|01| 0| 0| 0|29.87| 0.00| 63| 42| 46|21| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 13 | MAY 14 | MAY 15 | | | | | |01| 0|29.83| 0.00| 61| 40| 45|17| 2| 6| 0|29.68| 0.00| 56| 53| 89|22| 4| 8| 0|29.51| 0.08| 44| 42| 91|28| 6| 16| |04| 0|29.80| 0.00| 63| 39| 41|18| 7| 20| 0|29.68| 0.00| 51| 46| 83|23| 0| 4| 0|29.49| 0.08| 42| 40| 92|22| 0| 2| |07| 120|29.76| 0.00| 63| 39| 41|19| 7| 19| 56|29.68| 0.00| 50| 45| 84|25| 0| 0| 40|29.51| 0.00| 42| 39| 92|25| 0| 5| |10| 828|29.69| 0.00| 71| 47| 43|22| 12| 22| 230|29.64| 0.00| 62| 46| 55|27| 0| 8| 149|29.53| 0.00| 44| 38| 81|28| 10| 16| |13| 90|29.68| 0.05| 56| 53| 88|19| 1| 11| 877|29.57| 0.00| 67| 49| 52|21| 3| 11| 302|29.53| 0.00| 48| 33| 58|30| 6| 19| |16| 42|29.66| 0.00| 57| 55| 93|21| 4| 11| 299|29.49| 0.00| 67| 47| 50|20| 6| 14| 132|29.56| 0.00| 46| 37| 70|23| 0| 12| |19| 33|29.65| 0.00| 59| 58| 96|19| 3| 12| 11|29.45| 0.00| 65| 47| 51|22| 6| 14| 12|29.63| 0.18| 38| 36| 91|26| 5| 21| |22| 0|29.67| 0.00| 57| 56| 97|22| 6| 9| 0|29.49| 0.00| 53| 52| 95|31| 0| 5| 0|29.71| 0.00| 37| 31| 78|30| 11| 19| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 16 | MAY 17 | MAY 18 | | | | | |01| 0|29.74| 0.00| 34| 29| 82|27| 10| 19| 0|30.02| 0.00| 38| 30| 73|28| 0| 0| 0|30.12| 0.00| 43| 39| 84|30| 2| 6| |04| 0|29.73| 0.00| 35| 28| 75|28| 11| 21| 0|30.03| 0.00| 37| 30| 77|28| 0| 0| 0|30.12| 0.00| 41| 38| 88|34| 0| 0| |07| 21|29.78| 0.00| 36| 27| 70|30| 10| 16| 46|30.08| 0.00| 41| 32| 71|26| 0| 0| 47|30.15| 0.00| 43| 40| 88|33| 0| 0| |10| 127|29.81| 0.00| 38| 29| 70|30| 7| 20| 708|30.09| 0.00| 52| 35| 52|25| 7| 10| 301|30.17| 0.00| 48| 40| 75|29| 0| 0| |13| 160|29.85| 0.00| 40| 29| 63|27| 8| 19| 914|30.07| 0.00| 59| 35| 40|33| 2| 14|1278|30.13| 0.00| 57| 43| 58|33| 4| 9| |16| 93|29.88| 0.00| 43| 31| 61|27| 0| 10| 656|30.04| 0.00| 61| 37| 40|31| 1| 12| 724|30.09| 0.00| 61| 42| 50|02| 1| 7| |19| 54|29.93| 0.00| 46| 30| 55|32| 7| 12| 105|30.04| 0.00| 57| 36| 46|32| 0| 13| 105|30.07| 0.00| 60| 40| 48|32| 0| 7| |22| 0|30.00| 0.00| 43| 31| 61|29| 0| 0| 0|30.11| 0.00| 44| 37| 75|04| 0| 0| 0|30.08| 0.00| 50| 40| 70|05| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Precipitation | 0.11 | 0.14 | 0.16 | 0.18 | 0.22 | 0.28 | 0.37 | 0.46 | 0.52 | 0.56 | 0.59 | 0.60 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Date | 29 | 29 | 29 | 08 | 08 | 08 | 08 | 08 | 08 | 08 | 08 | 08 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Time | 1924 | 1926 | 1924 | 1002 | 1002 | 0953 | 0958 | 1002 | 1002 | 1024 | 1047 | 1055 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ The precipitation amounts for the indicated time intervals may occur at any time during the month. The time indicated is the ending time of the interval. Date and time are not entered for trace amounts.
OBSERVATIONS AT 3-HOUR INTERVALS
May 2016: Westford
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind | | | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | | H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | | o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | | u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | | r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 19 | MAY 20 | MAY 21 | | | | | |01| 0|30.06| 0.00| 45| 40| 82|05| 0| 0| 0|30.10| 0.00| 48| 43| 85|35| 0| 0| 0|30.09| 0.00| 50| 43| 77|30| 0| 0| |04| 0|30.05| 0.00| 42| 39| 89|07| 0| 0| 0|30.11| 0.00| 41| 39| 95|35| 0| 0| 0|30.06| 0.00| 52| 43| 71|21| 0| 5| |07| 79|30.07| 0.00| 44| 42| 92|06| 0| 0| 86|30.17| 0.00| 45| 44| 96|32| 0| 0| 109|30.06| 0.00| 56| 45| 67|20| 2| 8| |10| 369|30.07| 0.00| 59| 41| 51|30| 0| 8| 680|30.18| 0.00| 63| 46| 55|32| 1| 6| 429|30.02| 0.00| 65| 47| 52|20| 3| 10| |13| 881|30.03| 0.00| 65| 40| 41|31| 1| 12| 846|30.18| 0.00| 70| 44| 40|31| 3| 11| 817|29.97| 0.00| 72| 42| 33|22| 4| 11| |16| 236|30.02| 0.00| 65| 41| 41|32| 3| 12| 635|30.13| 0.00| 73| 39| 30|28| 1| 8| 301|29.89| 0.00| 73| 45| 37|22| 4| 9| |19| 51|30.05| 0.00| 57| 44| 62|30| 1| 9| 105|30.10| 0.00| 70| 37| 30|30| 0| 0| 83|29.86| 0.00| 68| 45| 43|20| 4| 11| |22| 0|30.08| 0.00| 51| 43| 75|35| 0| 0| 0|30.10| 0.00| 55| 43| 64|30| 0| 0| 0|29.84| 0.00| 60| 46| 59|20| 2| 9| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 22 | MAY 23 | MAY 24 | | | | | |01| 0|29.82| 0.00| 52| 45| 76|20| 0| 0| 0|29.88| 0.00| 48| 46| 96|25| 0| 0| 0|29.86| 0.00| 52| 40| 65|01| 0| 0| |04| 0|29.79| 0.00| 51| 46| 83|11| 0| 1| 0|29.89| 0.00| 45| 45| 97|25| 0| 0| 0|29.85| 0.00| 48| 41| 77|01| 0| 0| |07| 56|29.81| 0.00| 54| 50| 86|11| 0| 0| 90|29.93| 0.00| 51| 51| 97|07| 0| 0| 84|29.87| 0.00| 51| 45| 80|01| 0| 0| |10| 397|29.83| 0.00| 61| 49| 65|28| 5| 8| 647|29.93| 0.00| 67| 56| 70|29| 0| 0| 496|29.87| 0.00| 70| 47| 44|06| 0| 0| |13| 587|29.81| 0.00| 69| 52| 54|01| 1| 8| 874|29.91| 0.00| 75| 51| 43|30| 5| 12| 868|29.83| 0.00| 80| 47| 32|02| 0| 8| |16| 446|29.77| 0.00| 74| 52| 47|32| 3| 12| 652|29.88| 0.00| 79| 40| 25|28| 0| 11| 642|29.81| 0.00| 79| 49| 35|26| 6| 10| |19| 32|29.81| 0.00| 56| 54| 91|14| 0| 0| 118|29.84| 0.00| 75| 41| 29|00| 0| 0| 100|29.82| 0.00| 71| 56| 61|23| 2| 13| |22| 0|29.85| 0.00| 50| 49| 95|25| 0| 0| 0|29.86| 0.00| 55| 40| 57|01| 0| 0| 0|29.85| 0.00| 61| 54| 78|22| 3| 10| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 25 | MAY 26 | MAY 27 | | | | | |01| 0|29.85| 0.00| 58| 52| 82|21| 4| 9| 0|30.00| 0.00| 60| 52| 74|04| 0| 5| 0|29.93| 0.00| 65| 56| 73|18| 0| 0| |04| 0|29.85| 0.00| 56| 51| 82|21| 1| 7| 0|30.02| 0.00| 50| 48| 94|03| 0| 0| 0|29.94| 0.00| 66| 59| 78|18| 1| 9| |07| 93|29.89| 0.00| 56| 52| 87|22| 3| 11| 95|30.08| 0.00| 55| 52| 91|03| 0| 0| 120|29.93| 0.00| 66| 60| 80|21| 0| 3| |10| 563|29.89| 0.00| 70| 55| 60|20| 9| 14| 608|30.08| 0.00| 68| 50| 52|26| 0| 0| 647|29.94| 0.00| 78| 63| 60|20| 3| 10| |13| 230|29.88| 0.00| 76| 55| 48|24| 0| 0| 847|30.04| 0.00| 74| 52| 46|14| 0| 7| 826|29.90| 0.00| 84| 65| 52|22| 1| 14| |16| 554|29.88| 0.00| 78| 52| 41|33| 0| 8| 404|29.99| 0.00| 76| 53| 44|35| 0| 0| 613|29.85| 0.00| 87| 66| 50|20| 4| 15| |19| 65|29.92| 0.00| 74| 55| 53|34| 0| 2| 47|29.98| 0.00| 70| 56| 61|06| 0| 0| 93|29.84| 0.00| 84| 66| 56|22| 7| 12| |22| 0|29.98| 0.00| 64| 56| 75|01| 0| 1| 0|29.97| 0.00| 63| 55| 75|06| 0| 0| 0|29.89| 0.00| 73| 65| 76|22| 0| 6| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 28 | MAY 29 | MAY 30 | | | | | |01| 0|29.93| 0.00| 71| 64| 79|25| 0| 0| 0|30.03| 0.00| 62| 59| 91|05| 0| 0| | | | | | | | | | |04| 0|29.94| 0.00| 69| 65| 89|19| 1| 6| 0|30.01| 0.00| 63| 60| 91|18| 0| 1| | | | | | | | | | |07| 107|30.00| 0.00| 69| 66| 91|20| 0| 1| 58|30.03| 0.00| 65| 62| 91|20| 0| 0| | | | | | | | | | |10| 239|30.01| 0.00| 79| 68| 70|30| 0| 1| 682|30.02| 0.00| 80| 69| 70|22| 1| 10| | | | | | | | | | |13| 754|30.02| 0.00| 83| 68| 61|31| 4| 8| 519|29.99| 0.00| 84| 71| 64|30| 2| 7| | | | | | | | | | |16| 629|30.00| 0.00| 86| 64| 48|00| 1| 6| 97|29.96| 0.00| 73| 67| 83|21| 3| 8| | | | | | | | | | |19| 120|30.01| 0.00| 81| 64| 56|04| 0| 0| 11|29.98| 0.12| 67| 65| 94|21| 4| 15| | | | | | | | | | |22| 0|30.02| 0.00| 69| 61| 76|05| 0| 0| 0|29.94| 0.00| 66| 64| 96|21| 5| 13| | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 31 | | | | | | | |01| | | | | | | | | | | | |04| | | | | | | | | | | | |07| | | | | | | | | | | | |10| | | | | | | | | | | | |13| | | | | | | | | | | | |16| | | | | | | | | | | | |19| | | | | | | | | | | | |22| | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+---------------------------------------+---------------------------------------+
WEATHER NOTES SUMMARY BY HOURS
+--+-----------------------------+---------+ Wind Direction: Directions are those from which the wind is blowing, | | Averages | | indicated in tens of degrees from true North: i.e., 09 for East, 18 for | +----+------+---+---+---+-----+Resultant| South, 27 for West, and 00 or 36 for North. | | | | | | | | | Wind Speed: The observed one-minute average speed in miles-per-hour. | | | | T | | | | Wind | Wind Gust: The maximum instantaneous wind speed for the ten minute-period | | | | e | | % | W +----+----+ preceding the observation. | | | | m | D | | i | D | | Rainfall Rate: The instantaneous rainfall rate at time of observation, | | S | P | p | e | H | n | i | | calculated by timing consecutive 0.01" pulses from the electronic rain | | u | r | e | w | u | d | r | | gauge and interpolating this rate for one hour. | | n | e | r | | m | | e | | | | s | s | a | P | i | S | c | S | | H| h | s | t | o | d | p | t | p | | o| i | u | u | i | i | e | i | e | | u| n | r | r | n | t | e | o | e | | r| e | e | e | t | y | d | n | d | +--+----+------+---+---+---+-----+----+----+ |01| 0|29.907| 49| 42| 79| 1.5| 24 | 1.1| |04| 0|29.900| 47| 41| 82| 0.9| 23 | 0.6| |07| 71|29.921| 48| 43| 82| 1.1| 23 | 0.8| |10| 446|29.922| 58| 45| 63| 3.1| 26 | 2.3| |13| 602|29.903| 63| 45| 56| 2.2| 29 | 1.5| |16| 421|29.874| 64| 45| 52| 2.7| 27 | 1.3| |19| 67|29.874| 61| 45| 60| 1.8| 23 | 1.0| |22| 0|29.898| 53| 44| 74| 1.1| 25 | 0.6| +--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
May 2016: Westford
---+-----------------------------------------------------------+-----------------------------------------------------------+--- | | | D| A.M. Hour Ending at | P.M. Hour Ending at |D a| | |a t+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+t e| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |e ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- 01| | | | | | | | | | | |0.02|0.05|0.04|0.02| | |0.02|0.01|0.01|0.03|0.03|0.04| |01 02| | | | | | | | | | | | |0.03|0.09|0.10|0.11|0.03| |0.02| | | | | |02 03| | | | | | | | | | | | | | | | | | | | | | | | |03 04| | | | | | | | | | | | | | | | | | |0.02|0.02| | | | |04 05| | | | | | | | | | | | | | | | | | | | | | | | |05 | | | | | | | | | | | | | | | | | | | | | | | | | 06| | | | | | | | | | | | | | | | | | | | | | | | |06 07| | | | | | | | | | | | | | | | | | | | | | | | |07 08| | | | | | | | |0.14|0.36|0.10|0.01|0.01| | | | | | | | | | | |08 09| | | | | | | | | | | | | | | | | | | | | | | | |09 10| | | | | | | | | | | | | | | | | | | | | | | | |10 | | | | | | | | | | | | | | | | | | | | | | | | | 11| | | | | | | | | | | | | | | | | | | | | | | | |11 12| | | | | | | | | | | | | | | | | | | | | | | | |12 13| | | | | | | | | | | |0.08|0.04|0.10|0.02|0.01|0.02| | | | | | | |13 14| | | | | | | | | | | | | | | | | | | |0.04|0.09| |0.02|0.01|14 15|0.03|0.06|0.02|0.07|0.03|0.01| | | |0.01| | | | | | | |0.08|0.06| | | | | |15 | | | | | | | | | | | | | | | | | | | | | | | | | 16| | | | | | | | | | | | | | | | | | | | | | | | |16 17| | | | | | | | | | | | | | | | | | | | | | | | |17 18| | | | | | | | | | | | | | | | | | | | | | | | |18 19| | | | | | | | | | | | | | | | | | | | | | | | |19 20| | | | | | | | | | | | | | | | | | | | | | | | |20 | | | | | | | | | | | | | | | | | | | | | | | | | 21| | | | | | | | | | | | | | | | | | | | | | | | |21 22| | | | | | | | | | | | | | | | | |0.05|0.01| | | | | |22 23| | | | | | |0.01| | | | | | | | | | | | | | | | | |23 24| | | | | | | | | | | | | | | | | | | | | | | | |24 25| | | | | | | | | | | | | | | | | | | | | | | | |25 | | | | | | | | | | | | | | | | | | | | | | | | | 26| | | | | | | | | | | | | | | | | | | | | | | | |26 27| | | | | | | | | | | | | | | | | | | | | | | | |27 28| | | | | | | | | | | | | | | | | | | | | | | | |28 29| | | | | | | | | | | | | | | |0.01| |0.08|0.06|0.20| | | |0.01|29 30| | | | | | | | | | | | | | | | | | | | | | | | |30 31| | | | | | | | | | | | | | | | | | | | | | | | |31 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- Sum|0.03|0.06|0.02|0.07|0.03|0.01|0.01|0.00|0.14|0.37|0.10|0.11|0.13|0.23|0.14|0.13|0.05|0.23|0.18|0.27|0.12|0.03|0.06|0.02|Sum ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- During a frozen precipitation event, hourly precipitation totals may not be recorded. In this case, daily amounts are typically entered in the last column (hour ending at 12 A.M.)

 
 
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