55.7°F
Current conditions from King Hill
Updated every 5 minutes
 
  Monday September 26, 2016

Westford: September 2016
LOCAL CLIMATOLOGICAL DATA Monthly Summary
September 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| 73.8 | 55.7 | 64.8 | 63.6 | 59| 85| 0| 0|.........| 0| 0.01| 0.0| 29.95| 29.79|29.862| 0.6| 0.6|308| 14|WNW| 9|298| 225 | |02| 70.8 | 48.3 | 59.6 | 59.2 | 55| 87| 5| 0|.........| 0| 0.00| 0.0| 30.18| 29.95|30.082| 0.2| 0.2|331| 16|NNW| 6|294| 169 | |03| 73.8 | 45.6 | 59.7 | 57.6 | 53| 86| 5| 0|.........| 0| 0.01| 0.0| 30.24| 30.17|30.200| 0.1| 0.0|319| 9|WNW| 6|299| 194 | |04| 80.5 | 48.0 | 64.3 | 62.3 | 56| 83| 0| 0|.........| 0| 0.00| 0.0| 30.27| 30.19|30.223| 0.1| 0.1|213| 9|WSW| 5|263| 199 | |05| 81.4 | 52.3 | 66.8 | 64.6 | 58| 82| 0| 2|.........| 0| 0.00| 0.0| 30.24| 30.07|30.162| 0.0| 0.0|352| 8|NNE| 5| 9| 209 | | | | | | | | | | | | | | | | | | | | | | | | | | |06| 84.6 | 50.1 | 67.3 | 65.8 | 59| 82| 0| 3|.........| 0| 0.00| 0.0| 30.09| 30.00|30.050| 0.0| 0.0|306| 8|WNW| 5|292| 201 | |07| 85.4*| 58.5 | 71.9 | 71.2 | 64| 81| 0| 7|.........| 0| 0.01| 0.0| 30.03| 29.86|29.959| 0.5| 0.4|219| 19|SSW| 7|273| 199 | |08| 81.5 | 65.2 | 73.3*| 72.1 | 68| 86| 0| 9|.........| 0| 0.19| 0.0| 29.88| 29.65|29.751| 1.3| 1.3|213| 20| SW| 9|226| 114 | |09| 82.5 | 60.3 | 71.4 | 71.7 | 66| 84| 0| 7|.........| 0| 0.00| 0.0| 29.94| 29.68|29.806| 0.7| 0.7|285| 14|WNW| 8|304| 168 | |10| 81.8 | 56.6 | 69.2 | 69.3 | 64| 84| 0| 5|.........| 0| 0.00| 0.0| 29.98| 29.71|29.880| 1.1| 1.1|200| 21|SSW| 11|203| 142 | | | | | | | | | | | | | | | | | | | | | | | | | | |11| 77.1 | 46.4 | 61.8 | 63.9 | 57| 79| 3| 0|..3......| 0| 0.73| 0.0| 30.10| 29.60|29.860| 2.7| 2.1|265| 32|SSW| 14|307| 131 | |12| 73.3 | 43.3 | 58.3 | 57.1 | 49| 78| 7| 0|.........| 0| 0.01| 0.0| 30.20| 30.10|30.142| 0.0| 0.0|223| 5|SSW| 1|217| 195 | |13| 78.7 | 49.3 | 64.0 | 63.5 | 56| 78| 1| 0|.........| 0| 0.00| 0.0| 30.11| 29.94|30.033| 1.1| 1.1|215| 16|SSW| 9|214| 192 | |14| 66.2 | 49.3 | 57.8 | 61.0 | 57| 88| 7| 0|..3......| 0| 0.22| 0.0| 30.18| 29.88|29.991| 0.8| 0.6|257| 22| W| 9|307| 46 | |15| 65.0 | 40.1 | 52.5 | 50.6 | 45| 83| 12| 0|.........| 0| 0.00| 0.0| 30.31| 30.19|30.254| 0.0| 0.0| 0| 8| W| 0| 0| 191 | | | | | | | | | | | | | | | | | | | | | | | | | | |16| 72.4 | 38.5 | 55.5 | 54.1 | 47| 80| 9| 0|.........| 0| 0.01| 0.0| 30.29| 30.14|30.223| 0.1| 0.1|257| 12| SW| 6|300| 188 | |17| 74.3 | 50.2 | 62.3 | 63.4 | 56| 76| 3| 0|.........| 0| 0.01| 0.0| 30.15| 29.87|30.012| 2.9| 2.9|211| 31| SW| 14|220| 143 | |18| 77.8 | 63.3 | 70.6 | 68.7 | 65| 88| 0| 6|.........| 0| 0.22| 0.0| 29.95| 29.84|29.892| 2.8| 2.8|211| 26|WSW| 11|216| 114 | |19| 77.1 | 62.1 | 69.6 | 68.3 | 65| 91| 0| 5|.........| 0| 0.26| 0.0| 30.02| 29.92|29.959| 0.5| 0.5|215| 11| S| 6|246| 115 | |20| 81.4 | 60.5 | 70.9 | 69.3 | 63| 82| 0| 6|.........| 0| 0.00| 0.0| 30.04| 29.93|29.996| 2.0| 1.9|223| 18| S| 8|216| 156 | | | | | | | | | | | | | | | | | | | | | | | | | | |21| 79.5 | 50.0 | 64.8 | 64.8 | 53| 69| 0| 0|.........| 0| 0.00| 0.0| 30.14| 30.03|30.087| 1.5| 1.4|253| 13|WSW| 8|278| 173 | |22| 80.8 | 55.4 | 68.1 | 65.5 | 57| 75| 0| 3|.........| 0| 0.00| 0.0| 30.15| 29.93|30.054| 0.4| 0.4|214| 11|SSW| 7|211| 154 | |23| 59.4 | 46.0 | 52.7 | 52.8 | 51| 95| 12| 0|.........| 0| 0.72| 0.0| 30.11| 29.92|30.019| 0.2| 0.2| 14| 11|NNE| 5|304| 44 | |24| 62.5 | 39.4 | 51.0 | 49.2 | 42| 80| 14| 0|.........| 0| 0.00| 0.0| 30.17| 30.07|30.115| 0.8| 0.8|297| 19| W| 10|277| 168 | |25| 59.7 | 36.3*| 48.0*| 45.7 | 39| 80| 17| 0|.........| 0| 0.00| 0.0| 30.17| 30.12|30.145| 0.5| 0.5|305| 18| NW| 8|302| 162 | | | | | | | | | | | | | | | | | | | | | | | | | | |26| | | | | | | | | | | | | | | | | | | | | | | | |27| | | | | | | | | | | | | | | | | | | | | | | | |28| | | | | | | | | | | | | | | | | | | | | | | | |29| | | | | | | | | | | | | | | | | | | | | | | | |30| | | | | | | | | | | | | | | | | | | | | | | | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- | +------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+ |1881.3|1270.7|------|------|---|----| 95| 53| Days | 2.40| 0.0| 30.31| 29.60|30.036| 0.8| 0.7|236| 32|SSW| 14|220| ---- | +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg | +------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+ | 75.3| 50.8| 63.0 | 61.2 | 55|83.0|----|----|≥.01 Inch 12|28.40| 0.0| 15 | 11 |------|----|----|---| 11 | 17 | 154| +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+ | | 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 | 127| 448|Thunder 2|Precipitation | Snow, Ice Plts | and Date | +--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+ | ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 2.27| 11-12| 0.0 | - | 0 | - | +--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+ | 0 | 0 | 0 | 0 |----|----| Clear 9 Partly Cloudy 6 Cloudy 2 | +--------+---------+--------+--------+----+----+------------------------------------------+ 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
September 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 1 | SEP 2 | SEP 3 | | | | | |01| 0|29.80| 0.00| 63| 62| 96|29| 0| 5| 0|29.95| 0.00| 58| 57| 97|00| 0| 0| 0|30.17| 0.00| 48| 47| 97|00| 0| 0| |04| 0|29.80| 0.00| 60| 59| 96|00| 0| 0| 0|29.98| 0.00| 56| 55| 96|00| 0| 0| 0|30.19| 0.00| 47| 46| 97|00| 0| 0| |07| 0|29.83| 0.00| 58| 58| 97|00| 0| 0| 1|30.03| 0.00| 56| 55| 97|00| 1| 8| 2|30.22| 0.00| 46| 45| 98|00| 0| 0| |10| 410|29.86| 0.00| 66| 61| 85|00| 0| 0| 163|30.10| 0.00| 59| 56| 89|02| 0| 8| 406|30.23| 0.00| 60| 58| 93|00| 0| 0| |13| 714|29.87| 0.00| 70| 59| 67|29| 5| 12| 618|30.12| 0.00| 65| 58| 78|29| 1| 8| 361|30.22| 0.00| 67| 59| 76|29| 0| 4| |16| 593|29.87| 0.00| 73| 59| 61|29| 1| 13| 405|30.11| 0.00| 68| 58| 71|00| 0| 7| 535|30.19| 0.00| 72| 59| 64|24| 0| 6| |19| 48|29.89| 0.00| 65| 58| 80|04| 0| 2| 64|30.13| 0.00| 63| 55| 75|00| 0| 4| 69|30.17| 0.00| 67| 59| 75|00| 0| 0| |22| 0|29.93| 0.00| 57| 56| 95|00| 0| 0| 0|30.17| 0.00| 51| 50| 95|00| 0| 0| 0|30.19| 0.00| 53| 52| 95|00| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 4 | SEP 5 | SEP 6 | | | | | |01| 0|30.19| 0.00| 51| 50| 97|00| 0| 0| 0|30.22| 0.00| 55| 54| 97|00| 0| 0| 0|30.08| 0.00| 54| 53| 97|00| 0| 0| |04| 0|30.21| 0.00| 50| 49| 97|00| 0| 0| 0|30.21| 0.00| 54| 53| 97|00| 0| 0| 0|30.06| 0.00| 51| 50| 97|00| 0| 0| |07| 2|30.24| 0.00| 49| 48| 98|00| 0| 0| 0|30.22| 0.00| 53| 52| 98|00| 0| 0| 1|30.08| 0.00| 52| 52| 98|00| 0| 0| |10| 364|30.26| 0.00| 64| 62| 95|00| 0| 0| 383|30.23| 0.00| 68| 65| 89|00| 0| 0| 381|30.08| 0.00| 67| 63| 88|00| 0| 0| |13| 644|30.25| 0.00| 74| 62| 65|22| 1| 9| 666|30.17| 0.00| 77| 58| 52|06| 0| 1| 646|30.05| 0.00| 80| 63| 56|02| 0| 1| |16| 516|30.21| 0.00| 80| 60| 52|27| 0| 5| 549|30.11| 0.00| 80| 63| 55|00| 0| 1| 512|30.03| 0.00| 83| 67| 59|00| 0| 0| |19| 66|30.20| 0.00| 72| 64| 76|00| 0| 0| 67|30.08| 0.00| 74| 64| 69|00| 0| 0| 67|30.00| 0.00| 79| 67| 68|00| 0| 0| |22| 0|30.21| 0.00| 58| 57| 95|00| 0| 0| 0|30.08| 0.00| 58| 57| 95|00| 0| 0| 0|30.03| 0.00| 62| 61| 94|00| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 7 | SEP 8 | SEP 9 | | | | | |01| 0|30.01| 0.00| 63| 62| 96|00| 0| 0| 0|29.87| 0.00| 66| 64| 93|18| 0| 5| 0|29.68| 0.00| 71| 70| 97|20| 0| 6| |04| 0|30.00| 0.00| 62| 61| 96|24| 0| 5| 0|29.85| 0.00| 67| 64| 89|22| 1| 9| 0|29.69| 0.00| 70| 69| 97|22| 0| 9| |07| 0|30.03| 0.00| 61| 60| 97|22| 0| 4| 2|29.81| 0.00| 67| 64| 90|20| 0| 5| 0|29.76| 0.00| 69| 67| 92|29| 0| 6| |10| 367|30.00| 0.00| 75| 66| 75|20| 1| 8| 229|29.79| 0.00| 73| 68| 83|20| 1| 11| 367|29.81| 0.00| 74| 68| 81|29| 2| 11| |13| 665|29.98| 0.00| 81| 65| 58|22| 1| 11| 483|29.75| 0.00| 79| 68| 68|22| 4| 20| 647|29.82| 0.00| 79| 68| 69|29| 3| 13| |16| 521|29.92| 0.00| 85| 67| 56|20| 2| 11| 180|29.67| 0.00| 78| 69| 74|20| 3| 15| 498|29.83| 0.00| 82| 68| 64|29| 0| 8| |19| 58|29.89| 0.00| 79| 68| 69|00| 0| 0| 24|29.66| 0.00| 72| 70| 95|20| 0| 10| 61|29.85| 0.00| 75| 67| 78|00| 0| 0| |22| 0|29.89| 0.00| 66| 64| 92|00| 0| 0| 0|29.68| 0.00| 72| 71| 96|22| 2| 11| 0|29.92| 0.00| 61| 60| 95|00| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 10 | SEP 11 | SEP 12 | | | | | |01| 0|29.94| 0.00| 61| 60| 97|00| 0| 0| 0|29.70| 0.00| 75| 70| 83|20| 3| 21| 0|30.11| 0.01| 47| 45| 95|00| 0| 0| |04| 0|29.94| 0.00| 59| 58| 97|00| 0| 0| 0|29.62| 0.00| 76| 70| 82|20| 4| 22| 0|30.12| 0.00| 45| 44| 96|00| 0| 0| |07| 0|29.96| 0.00| 57| 56| 98|00| 0| 0| 0|29.65| 0.00| 68| 66| 96|22| 0| 9| 0|30.17| 0.00| 44| 43| 97|00| 0| 0| |10| 277|29.97| 0.00| 70| 65| 85|00| 0| 0| 67|29.78| 0.14| 63| 59| 85|24| 2| 19| 360|30.20| 0.00| 61| 55| 79|00| 0| 0| |13| 627|29.90| 0.00| 79| 67| 67|20| 3| 15| 437|29.89| 0.00| 65| 52| 63|29| 7| 21| 637|30.18| 0.00| 69| 52| 55|00| 0| 0| |16| 217|29.85| 0.00| 77| 66| 70|20| 5| 18| 524|29.96| 0.00| 68| 51| 55|29| 4| 18| 514|30.14| 0.00| 72| 50| 47|20| 0| 5| |19| 67|29.80| 0.00| 73| 66| 79|20| 1| 11| 79|30.02| 0.00| 60| 50| 68|29| 0| 12| 61|30.10| 0.00| 68| 55| 62|00| 0| 0| |22| 0|29.76| 0.00| 71| 66| 85|22| 1| 10| 0|30.08| 0.00| 50| 47| 90|00| 0| 0| 0|30.12| 0.00| 53| 51| 91|00| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 13 | SEP 14 | SEP 15 | | | | | |01| 0|30.11| 0.00| 52| 50| 94|00| 0| 0| 0|29.94| 0.00| 61| 58| 90|20| 0| 5| 0|30.19| 0.00| 48| 45| 90|00| 0| 0| |04| 0|30.10| 0.00| 50| 49| 96|00| 0| 0| 0|29.91| 0.00| 65| 60| 85|22| 0| 6| 0|30.23| 0.00| 42| 41| 95|00| 0| 0| |07| 0|30.11| 0.00| 50| 48| 95|00| 0| 0| 0|29.90| 0.00| 66| 61| 86|22| 1| 10| 0|30.26| 0.00| 42| 41| 97|00| 0| 0| |10| 362|30.10| 0.00| 65| 56| 75|20| 2| 10| 23|29.91| 0.01| 63| 62| 95|20| 1| 7| 361|30.30| 0.00| 54| 49| 86|00| 0| 0| |13| 639|30.04| 0.00| 74| 59| 59|22| 2| 12| 111|29.96| 0.00| 62| 60| 93|29| 4| 18| 733|30.29| 0.00| 61| 47| 59|29| 0| 7| |16| 499|29.97| 0.00| 79| 60| 52|22| 4| 15| 193|30.01| 0.00| 61| 60| 94|31| 1| 12| 510|30.25| 0.00| 64| 50| 61|29| 0| 6| |19| 58|29.94| 0.00| 73| 60| 65|20| 1| 10| 45|30.08| 0.00| 59| 53| 81|02| 0| 5| 50|30.23| 0.00| 57| 50| 76|00| 0| 0| |22| 0|29.96| 0.00| 64| 59| 82|20| 0| 6| 0|30.14| 0.00| 54| 51| 89|00| 0| 0| 0|30.26| 0.00| 43| 42| 95|01| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 16 | SEP 17 | SEP 18 | | | | | |01| 0|30.26| 0.00| 41| 40| 96|01| 0| 0| 0|30.14| 0.00| 51| 47| 89|19| 0| 0| 0|29.87| 0.00| 65| 61| 88|19| 1| 19| |04| 0|30.25| 0.00| 40| 39| 97|01| 0| 0| 0|30.12| 0.00| 54| 50| 87|21| 0| 6| 0|29.85| 0.06| 63| 62| 94|20| 5| 18| |07| 11|30.26| 0.00| 39| 39| 97|01| 0| 0| 18|30.10| 0.00| 55| 51| 86|22| 1| 11| 0|29.89| 0.00| 64| 63| 97|23| 4| 13| |10| 457|30.29| 0.00| 59| 53| 79|25| 0| 7| 406|30.07| 0.00| 64| 55| 71|18| 4| 13| 360|29.91| 0.00| 68| 66| 91|20| 5| 11| |13| 629|30.25| 0.00| 68| 54| 61|26| 0| 7| 438|30.00| 0.00| 70| 59| 68|21| 3| 23| 192|29.90| 0.00| 75| 68| 77|20| 4| 11| |16| 429|30.17| 0.00| 71| 53| 53|25| 0| 0| 253|29.92| 0.00| 73| 60| 65|21| 8| 24| 181|29.89| 0.00| 75| 68| 77|21| 2| 12| |19| 0|30.15| 0.00| 58| 53| 82|19| 0| 0| 0|29.90| 0.00| 69| 59| 72|20| 2| 14| 0|29.90| 0.00| 70| 66| 88|20| 3| 8| |22| 0|30.17| 0.00| 53| 48| 81|19| 0| 0| 0|29.88| 0.00| 69| 60| 72|23| 6| 15| 0|29.94| 0.00| 67| 65| 94|21| 1| 6| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Precipitation | 0.16 | 0.32 | 0.48 | 0.64 | 0.91 | 0.91 | 0.91 | 0.91 | 0.91 | 0.92 | 0.92 | 0.92 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Date | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Time | 1604 | 1609 | 1614 | 1619 | 1628 | 1628 | 1628 | 1628 | 1628 | 1628 | 1628 | 1628 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ 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
September 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 19 | SEP 20 | SEP 21 | | | | | |01| 0|29.94| 0.00| 67| 65| 96|20| 1| 6| 0|30.01| 0.00| 62| 61| 97|20| 0| 0| 0|30.03| 0.00| 62| 56| 83|23| 1| 6| |04| 0|29.92| 0.00| 66| 65| 95|20| 0| 0| 0|30.01| 0.00| 62| 61| 98|20| 0| 0| 0|30.07| 0.00| 53| 51| 93|22| 0| 0| |07| 5|29.95| 0.00| 64| 63| 96|20| 0| 0| 16|30.03| 0.00| 62| 61| 98|20| 0| 6| 9|30.10| 0.00| 50| 49| 94|22| 0| 0| |10| 200|29.98| 0.00| 65| 64| 96|21| 1| 6| 417|30.04| 0.00| 70| 66| 86|23| 5| 10| 434|30.14| 0.00| 67| 56| 66|21| 0| 9| |13| 454|29.96| 0.00| 74| 68| 81|22| 1| 6| 589|29.98| 0.00| 79| 66| 64|22| 8| 13| 606|30.10| 0.00| 76| 53| 44|25| 5| 10| |16| 243|29.96| 0.00| 77| 68| 75|21| 0| 0| 369|29.94| 0.00| 79| 67| 66|22| 4| 8| 309|30.07| 0.00| 79| 53| 41|28| 6| 11| |19| 0|29.96| 0.00| 68| 65| 90|09| 0| 0| 0|29.95| 0.00| 70| 62| 76|22| 0| 5| 0|30.09| 0.00| 68| 55| 62|25| 0| 10| |22| 0|30.00| 0.00| 64| 63| 96|20| 0| 0| 0|30.01| 0.00| 68| 60| 75|24| 3| 8| 0|30.10| 0.00| 62| 53| 73|21| 0| 1| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 22 | SEP 23 | SEP 24 | | | | | |01| 0|30.08| 0.00| 60| 53| 78|26| 0| 4| 0|29.92| 0.00| 58| 57| 95|30| 0| 0| 0|30.10| 0.00| 43| 42| 97|06| 0| 0| |04| 0|30.12| 0.00| 56| 52| 87|25| 0| 4| 0|29.93| 0.04| 57| 56| 96|22| 0| 0| 0|30.10| 0.00| 42| 41| 98|06| 0| 0| |07| 9|30.14| 0.00| 57| 54| 90|24| 0| 0| 0|29.98| 0.06| 52| 51| 97|05| 0| 0| 9|30.14| 0.00| 40| 40| 98|06| 0| 0| |10| 172|30.14| 0.00| 68| 58| 72|24| 0| 0| 47|30.03| 0.35| 51| 50| 97|05| 0| 6| 427|30.16| 0.00| 52| 50| 92|01| 0| 6| |13| 582|30.08| 0.00| 76| 58| 55|22| 0| 6| 118|30.05| 0.00| 53| 51| 96|04| 0| 5| 612|30.13| 0.00| 60| 45| 59|29| 1| 10| |16| 343|30.00| 0.00| 81| 58| 46|21| 4| 8| 98|30.04| 0.00| 55| 52| 90|06| 0| 0| 448|30.07| 0.00| 62| 45| 55|28| 4| 10| |19| 0|29.96| 0.00| 65| 59| 83|24| 0| 0| 0|30.07| 0.00| 52| 50| 95|06| 0| 0| 0|30.09| 0.00| 51| 42| 70|31| 0| 8| |22| 0|29.94| 0.00| 62| 58| 87|29| 3| 7| 0|30.09| 0.00| 46| 45| 97|06| 0| 0| 0|30.12| 0.00| 45| 39| 78|01| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 25 | SEP 26 | SEP 27 | | | | | |01| 0|30.13| 0.00| 40| 36| 87|05| 0| 0| | | | | | | | | | | | | | | | | | | |04| 0|30.13| 0.00| 40| 38| 91|05| 0| 0| | | | | | | | | | | | | | | | | | | |07| 9|30.15| 0.00| 39| 37| 95|31| 0| 0| | | | | | | | | | | | | | | | | | | |10| 441|30.16| 0.00| 52| 44| 76|31| 1| 6| | | | | | | | | | | | | | | | | | | |13| 691|30.15| 0.00| 55| 42| 61|28| 6| 11| | | | | | | | | | | | | | | | | | | |16| 362|30.13| 0.00| 59| 41| 52|32| 0| 7| | | | | | | | | | | | | | | | | | | |19| 0|30.14| 0.00| 44| 40| 86|02| 0| 0| | | | | | | | | | | | | | | | | | | |22| 0|30.16| 0.00| 37| 36| 95|02| 0| 0| | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 28 | SEP 29 | SEP 30 | | | | | |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|30.017| 57| 55| 93| 0.2| 21 | 0.2| |04| 0|30.016| 55| 54| 94| 0.4| 21 | 0.4| |07| 4|30.039| 54| 53| 95| 0.3| 24 | 0.2| |10| 315|30.061| 64| 59| 84| 1.0| 22 | 0.8| |13| 542|30.044| 71| 58| 66| 2.3| 26 | 1.9| |16| 392|30.012| 73| 59| 62| 1.9| 24 | 1.5| |19| 35|30.010| 66| 58| 77| 0.3| 21 | 0.3| |22| 0|30.033| 58| 55| 89| 0.7| 24 | 0.6| +--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
September 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|0.01| | | | | | | | | | | | | | | | | | | | | | | |01 02| | | | | | | | | | | | | | | | | | | | | | | | |02 03| | | |0.01| | | | | | | | | | | | | | | | | | | | |03 04| | | | | | | | | | | | | | | | | | | | | | | | |04 05| | | | | | | | | | | | | | | | | | | | | | | | |05 | | | | | | | | | | | | | | | | | | | | | | | | | 06| | | | | | | | | | | | | | | | | | | | | | | | |06 07| | | | | | | |0.01| | | | | | | | | | | | | | | | |07 08| | | | | | | | | | | | | | | | | |0.15| |0.03|0.01| | | |08 09| | | | | | | | | | | | | | | | | | | | | | | | |09 10| | | | | | | | | | | | | | | | | | | | | | | | |10 | | | | | | | | | | | | | | | | | | | | | | | | | 11| | | | |0.08|0.65| | |0.01|0.14|0.14| | | |0.01|0.91| | |0.03| | | |0.08|0.21|11 12|0.01| | | | | | | | | | | | | | | | | | | | | | | |12 13| | | | | | | | | | | | | | | | | | | | | | | | |13 14| | | | | | | |0.04|0.14|0.01|0.03| | | | | | | | | | | | | |14 15| | | | | | | | | | | | | | | | | | | | | | | | |15 | | | | | | | | | | | | | | | | | | | | | | | | | 16| | | | | | | | |0.01| | | | | | | | | | | | | | | |16 17| | | | | | | | | | | | | | | | | | | | | | | |0.01|17 18|0.01| | |0.06|0.09|0.06| | | | | | | | | | | | | | | | | | |18 19| | | | | | | | | |0.26| | | | | | | | | | | | | | |19 20| | | | | | | | | | | | | | | | | | | | | | | | |20 | | | | | | | | | | | | | | | | | | | | | | | | | 21| | | | | | | | | | | | | | | | | | | | | | | | |21 22| | | | | | | | | | | | | | | | | | | | | | | | |22 23|0.01|0.01|0.02|0.08|0.10|0.11|0.06|0.04|0.01|0.11|0.12|0.05| | | | | | | | | | | | |23 24| | | | | | | | | | | | | | | | | | | | | | | | |24 25| | | | | | | | | | | | | | | | | | | | | | | | |25 | | | | | | | | | | | | | | | | | | | | | | | | | 26| | | | | | | | | | | | | | | | | | | | | | | | |26 27| | | | | | | | | | | | | | | | | | | | | | | | |27 28| | | | | | | | | | | | | | | | | | | | | | | | |28 29| | | | | | | | | | | | | | | | | | | | | | | | |29 30| | | | | | | | | | | | | | | | | | | | | | | | |30 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- Sum|0.04|0.01|0.02|0.15|0.27|0.82|0.06|0.09|0.17|0.52|0.29|0.05|0.00|0.00|0.01|0.91|0.00|0.15|0.03|0.03|0.01|0.00|0.08|0.22|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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