35.0°F
Current conditions from King Hill
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  Saturday January 21, 2017

Westford: January 2017
LOCAL CLIMATOLOGICAL DATA Monthly Summary
January 2017
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| 33.6 | 21.3 | 27.4 | 30.3 | 23| 73| 37| 0|.........| 2| T | T| 30.37| 29.68|30.032| 3.2| 2.6|255| 25|WNW| 13|290| 36 | |02| 39.3 | 19.9 | 29.6 | 27.8 | 21| 75| 35| 0|.........| 2| 0.00| 0.0| 30.49| 30.27|30.413| 0.1| 0.1|202| 8| S| 4|206| 59 | |03| 37.7 | 26.8 | 32.3 | 35.2 | 31| 83| 32| 0|...4.....| 1| 0.00| 0.0| 30.28| 29.45|29.923| 2.9| 2.9|183| 22| S| 11|177| 19 | |04| 37.4 | 23.5 | 30.5 | 32.2 | 28| 86| 34| 0|.........| 1| 0.00| T| 29.47| 29.26|29.339| 3.9| 3.6|242| 28| W| 15|250| 17 | |05| 25.6 | 20.1 | 22.9 | 22.5 | 12| 63| 42| 0|.........| 1| T | T| 29.84| 29.47|29.671| 5.4| 5.3|258| 34| W| 18|263| 45 | | | | | | | | | | | | | | | | | | | | | | | | | | |06| 22.5 | 14.5 | 18.5 | 18.2 | 9| 68| 46| 0|.........| 1| T | T| 30.21| 29.83|30.016| 1.1| 1.0|272| 15| W| 10|258| 52 | |07| 20.6 | 4.1 | 12.4 | 12.6 | 7| 77| 52| 0|.........| 1| T | T| 30.34| 30.15|30.254| 0.3| 0.3|337| 11| N| 5|323| 51 | |08| 11.6 | -4.0 | 3.8*| 4.7 | -1| 79| 61| 0|.........| 1| T | 0.2| 30.51| 30.14|30.255| 1.3| 1.3|315| 27| W| 14|303| 44 | |09| 15.3 | -5.3*| 5.0 | 7.0 | 0| 74| 60| 0|.........| 1| 0.00| 0.0| 30.62| 30.46|30.535| 2.9| 2.8|206| 26| S| 12|217| 37 | |10| 36.4 | 14.1 | 25.3 | 22.1 | 12| 66| 40| 0|.........| 1| T | T| 30.53| 29.87|30.324| 4.9| 4.8|198| 36|SSW| 19|189| 33 | | | | | | | | | | | | | | | | | | | | | | | | | | |11| 48.6 | 34.0 | 41.3 | 40.7 | 30| 67| 23| 0|.........| 1| 0.00| 0.0| 30.13| 29.76|29.970| 7.1| 6.9|211| 40|SSW| 20|208| 66 | |12| 50.8*| 36.3 | 43.5*| 45.7 | 42| 87| 21| 0|.........| T| 0.00| 0.0| 29.95| 29.72|29.797| 5.7| 5.6|208| 30| S| 15|206| 10 | |13| 36.5 | 6.8 | 21.6 | 22.8 | 15| 74| 43| 0|.........| T| 0.00| T| 30.71| 29.94|30.393| 5.1| 4.9|310| 30|WNW| 17|303| 71 | |14| 20.0 | 0.1 | 10.1 | 10.7 | 3| 73| 55| 0|.........| T| 0.00| 0.0| 30.71| 30.23|30.517| 0.2| 0.2|216| 11|SSW| 6|215| 42 | |15| 23.3 | 8.3 | 15.8 | 18.0 | 12| 76| 49| 0|.........| T| 0.00| 1.3| 30.39| 30.21|30.315| 1.2| 1.0|315| 18| NW| 12|296| 66 | | | | | | | | | | | | | | | | | | | | | | | | | | |16| 34.8 | 12.8 | 23.8 | 23.5 | 16| 73| 41| 0|.........| T| 0.00| 0.0| 30.38| 30.17|30.264| 2.4| 2.3|214| 24|SSW| 12|216| 70 | |17| 35.3 | 20.8 | 28.0 | 29.7 | 23| 77| 37| 0|...4.....| 1| 0.00| 0.5| 30.24| 29.96|30.124| 0.8| 0.7|187| 18|SSW| 9|200| 51 | |18| 35.9 | 31.1 | 33.5 | 33.0 | 30| 89| 31| 0|.........| 1| 0.14| 1.4| 29.96| 29.88|29.911| 4.2| 4.1|194| 20|SSW| 10|198| 19 | |19| 35.0 | 32.3 | 33.7 | 33.4 | 32| 93| 31| 0|.........| 1| T | T| 30.05| 29.89|29.959| 1.3| 0.9|250| 13| S| 8|302| 20 | |20| 37.2 | 31.1 | 34.2 | 32.9 | 29| 87| 31| 0|.........| 1| 0.00| 0.0| 29.99| 29.81|29.899| 2.2| 2.2|208| 14| S| 8|220| 40 | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | |23| | | | | | | | | | | | | | | | | | | | | | | | |24| | | | | | | | | | | | | | | | | | | | | | | | |25| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |26| | | | | | | | | | | | | | | | | | | | | | | | |27| | | | | | | | | | | | | | | | | | | | | | | | |28| | | | | | | | | | | | | | | | | | | | | | | | |29| | | | | | | | | | | | | | | | | | | | | | | | |30| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |31| | | | | | | | | | | | | | | | | | | | | | | | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- | +------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | 637.4| 348.6|------|------|---|----| 801| 0| Days | 0.14| 3.4| 30.71| 29.26|30.082| 2.7| 2.1|228| 40|SSW| 20|208| ---- | +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg | +------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+ | 31.9| 17.4| 24.7 | 25.6 | 19|77.7|----|----|≥.01 Inch 1| 0.14| 32.4| 13 | 4 |------|----|----|---| 11 | 11 | 40| +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+ | | Season |Snow, Ice | | | | Number of Days | to Date |≥1.0 Inch 2| Greatest in 24 Hours and Dates | Greatest Depth on Ground | +------------------+-----------------+----+----+------------+--------------+-----------------+ of Snow, Ice Pellets or Ice | | Max Temperature | Min Temperature |3539| 0|Thunder 0|Precipitation | Snow, Ice Plts | and Date | +--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+ | ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 0.00| - | 1.4 | 18 | 2 | 1+ | +--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+ | 0 | 7 | 18 | 3 |----|----| Clear 1 Partly Cloudy 6 Cloudy 13 | +--------+---------+--------+--------+----+----+------------------------------------------+ 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: 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
January 2017: 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 1 | JAN 2 | JAN 3 | | | | | |00| 0|29.68| 0.00| 32| 27| 82|20| 6| 19| 0|30.37| 0.00| 21| 16| 81|21| 0| 0| 0|30.27| 0.00| 27| 22| 83|14| 0| 0| |03| 0|29.70| 0.00| 32| 29| 89|20| 6| 13| 0|30.41| 0.00| 24| 19| 81|20| 0| 0| 0|30.24| 0.00| 33| 27| 78|14| 0| 0| |06| 0|29.79| 0.00| 33| 29| 87|22| 2| 11| 0|30.45| 0.00| 24| 20| 84|20| 0| 4| 0|30.15| 0.00| 35| 30| 84|18| 4| 11| |09| 21|29.94| 0.00| 32| 24| 70|30| 9| 13| 30|30.48| 0.00| 22| 19| 87|20| 0| 0| 49|30.07| 0.00| 36| 31| 81|18| 9| 19| |12| 105|30.05| 0.00| 31| 22| 70|27| 4| 12| 359|30.45| 0.00| 36| 23| 61|20| 1| 7| 107|29.95| 0.00| 37| 31| 79|19| 6| 18| |15| 51|30.17| 0.00| 32| 18| 56|28| 0| 1| 74|30.42| 0.00| 37| 24| 58|06| 0| 0| 30|29.83| 0.00| 38| 32| 80|18| 2| 10| |18| 0|30.26| 0.00| 29| 20| 70|31| 0| 0| 0|30.41| 0.00| 27| 21| 76|06| 0| 0| 0|29.72| 0.00| 37| 32| 83|19| 1| 10| |21| 0|30.33| 0.00| 28| 19| 70|23| 0| 0| 0|30.36| 0.00| 25| 20| 80|14| 0| 0| 0|29.57| 0.00| 35| 33| 94|20| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 4 | JAN 5 | JAN 6 | | | | | |00| 0|29.45| 0.00| 33| 32| 96|21| 0| 0| 0|29.47| 0.00| 24| 15| 70|29| 4| 14| 0|29.83| 0.00| 22| 14| 71|26| 2| 8| |03| 0|29.38| 0.00| 32| 31| 96|21| 0| 0| 0|29.50| 0.00| 20| 9| 60|24| 8| 26| 0|29.88| 0.00| 20| 13| 74|27| 2| 6| |06| 0|29.30| 0.00| 32| 32| 97|21| 0| 0| 0|29.55| 0.00| 22| 11| 64|21| 5| 22| 0|29.91| 0.00| 16| 9| 72|28| 0| 0| |09| 12|29.28| 0.00| 33| 33| 97|20| 5| 13| 19|29.67| 0.00| 22| 12| 66|23| 1| 18| 23|29.98| 0.00| 17| 7| 64|27| 3| 7| |12| 97|29.27| 0.00| 36| 35| 96|21| 6| 14| 149|29.69| 0.00| 25| 11| 57|25| 3| 21| 281|30.01| 0.00| 22| 6| 50|31| 1| 5| |15| 23|29.28| 0.00| 37| 33| 86|25| 4| 10| 88|29.73| 0.00| 25| 12| 59|25| 7| 23| 40|30.04| 0.00| 19| 7| 59|30| 0| 0| |18| 0|29.34| 0.00| 32| 21| 65|25| 9| 25| 0|29.77| 0.00| 23| 11| 61|25| 3| 13| 0|30.10| 0.00| 17| 9| 70|31| 0| 0| |21| 0|29.42| 0.00| 27| 17| 65|25| 4| 21| 0|29.81| 0.00| 22| 12| 64|23| 2| 7| 0|30.18| 0.00| 15| 11| 85|23| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 7 | JAN 8 | JAN 9 | | | | | |00| 0|30.20| 0.00| 17| 10| 73|29| 4| 8| 0|30.15| 0.00| 4| -2| 76|00| 0| 0| 0|30.51| 0.00| 3| -3| 77|31| 1| 11| |03| 0|30.27| 0.00| 11| 7| 87|28| 0| 0| 0|30.15| 0.00| 1| -3| 81|03| 0| 0| 0|30.55| 0.00| 1| -3| 82|29| 0| 0| |06| 0|30.30| 0.00| 10| 7| 88|28| 0| 0| 0|30.15| 0.00| -4| -6| 87|03| 0| 0| 0|30.58| 0.00| -4| -8| 81|24| 0| 0| |09| 40|30.33| 0.00| 14| 9| 80|28| 0| 0| 37|30.18| 0.00| 3| -1| 86|03| 0| 0| 54|30.62| 0.00| 0| -4| 84|24| 0| 0| |12| 309|30.29| 0.00| 17| 11| 76|30| 0| 4| 169|30.20| 0.00| 10| 3| 72|31| 0| 0| 186|30.55| 0.00| 9| 1| 68|20| 0| 8| |15| 69|30.24| 0.00| 17| 10| 74|33| 0| 6| 104|30.25| 0.00| 11| 4| 72|02| 1| 6| 56|30.49| 0.00| 12| 4| 68|16| 0| 9| |18| 0|30.24| 0.00| 12| 3| 67|35| 0| 5| 0|30.34| 0.00| 7| 4| 86|02| 0| 0| 0|30.47| 0.00| 14| 5| 66|20| 9| 22| |21| 0|30.18| 0.00| 9| 3| 75|02| 1| 7| 0|30.45| 0.00| 6| 1| 79|30| 9| 18| 0|30.52| 0.00| 15| 7| 70|20| 5| 21| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 10 | JAN 11 | JAN 12 | | | | | |00| 0|30.50| 0.00| 15| 6| 68|20| 3| 18| 0|29.87| 0.00| 35| 30| 81|19| 10| 30| 0|29.95| 0.00| 44| 25| 48|20| 6| 21| |03| 0|30.52| 0.00| 15| 6| 69|21| 5| 13| 0|29.79| 0.00| 34| 32| 93|20| 10| 25| 0|29.88| 0.00| 44| 37| 77|21| 7| 22| |06| 0|30.51| 0.00| 14| 6| 69|21| 5| 12| 0|29.81| 0.00| 38| 35| 89|21| 13| 30| 0|29.76| 0.00| 42| 40| 90|20| 9| 23| |09| 54|30.50| 0.00| 16| 7| 68|19| 6| 15| 56|29.95| 0.00| 39| 34| 83|21| 9| 29| 14|29.77| 0.00| 45| 43| 92|21| 7| 21| |12| 144|30.40| 0.00| 21| 10| 62|19| 4| 8| 367|30.06| 0.00| 44| 27| 51|23| 3| 16| 44|29.75| 0.00| 49| 46| 88|20| 7| 19| |15| 58|30.27| 0.00| 26| 11| 54|18| 1| 9| 102|30.05| 0.00| 47| 24| 40|19| 3| 12| 0|29.75| 0.00| 51| 47| 89|21| 9| 18| |18| 0|30.19| 0.00| 28| 15| 59|18| 3| 12| 0|30.11| 0.00| 42| 28| 58|20| 2| 16| 0|29.75| 0.00| 50| 48| 93|21| 6| 13| |21| 0|30.01| 0.00| 31| 27| 85|18| 11| 29| 0|30.04| 0.00| 43| 28| 55|20| 6| 21| 0|29.82| 0.00| 46| 45| 96|32| 4| 13| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 13 | JAN 14 | JAN 15 | | | | | |00| 0|29.94| 0.00| 37| 35| 96|06| 0| 0| 0|30.71| 0.00| 7| -1| 68|33| 0| 0| 0|30.23| 0.00| 20| 13| 73|21| 0| 5| |03| 0|30.05| 0.00| 33| 32| 94|31| 5| 12| 0|30.71| 0.00| 4| -1| 79|33| 0| 0| 0|30.23| 0.00| 23| 17| 80|25| 0| 2| |06| 0|30.21| 0.00| 27| 24| 88|03| 0| 0| 0|30.68| 0.00| 1| -3| 84|03| 0| 0| 0|30.25| 0.00| 23| 16| 76|30| 0| 11| |09| 26|30.31| 0.00| 27| 22| 81|28| 13| 22| 30|30.66| 0.00| 4| -0| 82|03| 0| 0| 40|30.33| 0.00| 20| 16| 87|00| 2| 14| |12| 439|30.41| 0.00| 26| 17| 67|32| 7| 18| 156|30.56| 0.00| 13| 6| 74|21| 0| 1| 390|30.33| 0.00| 20| 11| 68|06| 0| 10| |15| 127|30.51| 0.00| 21| 10| 62|31| 7| 24| 70|30.43| 0.00| 16| 5| 62|21| 1| 5| 149|30.34| 0.00| 20| 9| 60|07| 0| 1| |18| 0|30.63| 0.00| 15| 4| 62|32| 3| 12| 0|30.36| 0.00| 16| 6| 63|21| 0| 0| 0|30.37| 0.00| 13| 7| 76|04| 0| 0| |21| 0|30.70| 0.00| 10| 2| 68|32| 0| 0| 0|30.29| 0.00| 18| 9| 67|22| 0| 9| 0|30.38| 0.00| 10| 6| 81|04| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 16 | JAN 17 | JAN 18 | | | | | |00| 0|30.37| 0.00| 13| 9| 83|01| 0| 0| 0|30.19| 0.00| 27| 19| 69|21| 0| 0| 0|29.96| 0.00| 31| 30| 94|17| 3| 14| |03| 0|30.37| 0.00| 14| 9| 80|20| 0| 7| 0|30.21| 0.00| 27| 19| 72|26| 0| 4| 0|29.90| 0.00| 32| 29| 88|18| 8| 15| |06| 0|30.34| 0.00| 14| 10| 84|20| 0| 2| 0|30.20| 0.00| 24| 19| 82|26| 0| 0| 0|29.90| 0.00| 32| 29| 89|17| 2| 14| |09| 25|30.31| 0.00| 19| 14| 80|21| 3| 14| 65|30.24| 0.00| 24| 20| 84|26| 0| 0| 14|29.91| 0.00| 33| 28| 83|19| 5| 11| |12| 360|30.22| 0.00| 30| 21| 68|22| 7| 14| 353|30.16| 0.00| 34| 25| 69|08| 0| 4| 91|29.91| 0.00| 36| 29| 77|19| 4| 10| |15| 142|30.18| 0.00| 35| 21| 58|22| 3| 13| 65|30.09| 0.00| 34| 25| 69|06| 0| 5| 26|29.91| 0.00| 34| 30| 85|21| 4| 8| |18| 0|30.18| 0.00| 30| 20| 67|22| 4| 12| 0|30.03| 0.00| 32| 26| 77|06| 0| 0| 0|29.94| 0.00| 32| 31| 95|21| 2| 10| |21| 0|30.21| 0.00| 26| 19| 74|21| 0| 0| 0|30.00| 0.00| 31| 29| 92|18| 5| 18| 0|29.91| 0.00| 33| 32| 96|19| 8| 20| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Precipitation | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Date | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Time | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ 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
January 2017: 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 19 | JAN 20 | JAN 21 | | | | | |00| 0|29.90| 0.00| 33| 32| 96|22| 6| 13| 0|29.98| 0.00| 32| 30| 92|32| 0| 4| 0|29.81| 0.00| 34| 31| 89|21| 4| 9| |03| 0|29.92| 0.00| 33| 32| 96|22| 2| 5| 0|29.97| 0.00| 32| 29| 92|32| 0| 0| | | | | | | | | | |06| 0|29.90| 0.00| 33| 32| 97|00| 0| 0| 0|29.97| 0.00| 31| 29| 91|21| 0| 0| | | | | | | | | | |09| 18|29.97| 0.00| 34| 32| 96|22| 2| 6| 65|29.94| 0.00| 32| 28| 85|19| 1| 7| | | | | | | | | | |12| 62|29.96| 0.00| 34| 33| 95|27| 3| 5| 144|29.91| 0.00| 34| 29| 83|20| 4| 9| | | | | | | | | | |15| 37|29.95| 0.00| 35| 31| 87|32| 2| 6| 70|29.86| 0.00| 35| 30| 83|20| 1| 8| | | | | | | | | | |18| 0|29.98| 0.00| 33| 31| 92|31| 0| 0| 0|29.85| 0.00| 33| 29| 87|20| 6| 10| | | | | | | | | | |21| 0|30.03| 0.00| 33| 30| 89|29| 0| 7| 0|29.82| 0.00| 33| 30| 87|17| 0| 7| | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 22 | JAN 23 | JAN 24 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 25 | JAN 26 | JAN 27 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 28 | JAN 29 | JAN 30 | | | | | |00| | | | | | | | | | | | | | | | | | | | | | | | | | | | |03| | | | | | | | | | | | | | | | | | | | | | | | | | | | |06| | | | | | | | | | | | | | | | | | | | | | | | | | | | |09| | | | | | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | JAN 31 | | | | | | | |00| | | | | | | | | | | | |03| | | | | | | | | | | | |06| | | | | | | | | | | | |09| | | | | | | | | | | | |12| | | | | | | | | | | | |15| | | | | | | | | | | | |18| | | | | | | | | | | | |21| | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+---------------------------------------+---------------------------------------+
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 | +--+----+------+---+---+---+-----+----+----+ |00| 0|30.064| 24| 19| 79| 2.4| 22 | 1.9| |03| 0|30.080| 23| 19| 82| 2.6| 22 | 2.2| |06| 0|30.085| 22| 18| 84| 2.0| 21 | 2.0| |09| 35|30.122| 24| 19| 82| 3.7| 23 | 2.6| |12| 216|30.107| 28| 20| 72| 3.0| 23 | 2.2| |15| 69|30.088| 29| 19| 68| 2.2| 24 | 1.5| |18| 0|30.102| 26| 19| 74| 2.4| 22 | 2.1| |21| 0|30.101| 25| 19| 79| 2.7| 22 | 1.8| +--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
January 2017: 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| | | | | | | | | | | | | | | | | | | | | | | | |01 02| | | | | | | | | | | | | | | | | | | | | | | | |02 03| | | | | | | | | | | | | | | | | | | | | | | | |03 04| | | | | | | | | | | | | | | | | | | | | | | | |04 05| | | | | | | | | | | | | | | | | | | | | | | | |05 | | | | | | | | | | | | | | | | | | | | | | | | | 06| | | | | | | | | | | | | | | | | | | | | | | | |06 07| | | | | | | | | | | | | | | | | | | | | | | | |07 08| | | | | | | | | | | | | | | | | | | | | | | | |08 09| | | | | | | | | | | | | | | | | | | | | | | | |09 10| | | | | | | | | | | | | | | | | | | | | | | | |10 | | | | | | | | | | | | | | | | | | | | | | | | | 11| | | | | | | | | | | | | | | | | | | | | | | | |11 12| | | | | | | | | | | | | | | | | | | | | | | | |12 13| | | | | | | | | | | | | | | | | | | | | | | | |13 14| | | | | | | | | | | | | | | | | | | | | | | | |14 15| | | | | | | | | | | | | | | | | | | | | | | | |15 | | | | | | | | | | | | | | | | | | | | | | | | | 16| | | | | | | | | | | | | | | | | | | | | | | | |16 17| | | | | | | | | | | | | | | | | | | | | | | | |17 18| | | | | | | | | | | | | | | | | | | | | | | | |18 19| | | | | | | | | | | | | | | | | | | | | | | | |19 20| | | | | | | | | | | | | | | | | | | | | | | | |20 | | | | | | | | | | | | | | | | | | | | | | | | | 21| | | | | | | | | | | | | | | | | | | | | | | | |21 22| | | | | | | | | | | | | | | | | | | | | | | | |22 23| | | | | | | | | | | | | | | | | | | | | | | | |23 24| | | | | | | | | | | | | | | | | | | | | | | | |24 25| | | | | | | | | | | | | | | | | | | | | | | | |25 | | | | | | | | | | | | | | | | | | | | | | | | | 26| | | | | | | | | | | | | | | | | | | | | | | | |26 27| | | | | | | | | | | | | | | | | | | | | | | | |27 28| | | | | | | | | | | | | | | | | | | | | | | | |28 29| | | | | | | | | | | | | | | | | | | | | | | | |29 30| | | | | | | | | | | | | | | | | | | | | | | | |30 31| | | | | | | | | | | | | | | | | | | | | | | | |31 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- Sum|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|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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