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Westford: July 2010
LOCAL CLIMATOLOGICAL DATA
Monthly Summary
July 2010
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 | Sun |
| +------+------+------+------+---+ Hu-+----+----+1 fog | S+-----+-----+ Adj. to Sea Level +----+----+---+-------+-------+------+
| | M | M | A | | |mid-| H | C |2 hvy fog| n| | Ice +------+------+------+ Avg| Res|Res| Peak | Minute| Mean |
| | a | i | v | | D | ity| e | o |3 thunder| o|Water| plts| | | | | | +---+---+---+---+ |
| | x | n | e | | e | | a | o |4 ice plt| w| | | | | | S | S | | S | | S | | I |
| D| i | i | r | M | w | M | t | l |5 hail | | E | S | | | M | p | p | | p | | p | | n |
| a| m | m | a | e | | e | i | i |6 glaze | C| q | n | M | M | e | e | e | D | e | D | e | D | d |
| t| u | u | g | a | P | a | n | n |7 duststm| v| u | o | a | i | a | e | e | i | e | i | e | i | e |
| 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 | x |
| | | | | | | | | |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| 64.8 | 53.7 | 59.3*| 57.4 | 50| 78| 5| 0|.........| 0| 0.04| 0.0| 30.11| 29.99|30.040| 3.3| 3.2|298| 19| NW| 12|286| |
|02| 76.2 | 51.0*| 63.6 | 63.0 | 53| 70| 1| 0|.........| 0| 0.00| 0.0| 30.19| 30.05|30.128| 0.9| 0.8|303| 13|WNW| 7|310| |
|03| 84.5 | 56.7 | 70.6 | 70.9 | 58| 64| 0| 6|.........| 0| 0.00| 0.0| 30.08| 29.87|29.980| 3.0| 2.9|222| 15| S| 9|207| |
|04| 86.5 | 67.4 | 76.9 | 75.6 | 58| 55| 0| 12|.........| 0| 0.00| 0.0| 29.91| 29.80|29.862| 2.1| 2.1|252| 14| W| 8|252| |
|05| 89.4 | 63.2 | 76.3 | 78.3 | 66| 65| 0| 11|.........| 0| 0.00| 0.0| 29.89| 29.83|29.861| 1.8| 1.7|226| 16|WSW| 9|274| |
| | | | | | | | | | | | | | | | | | | | | | | | |
|06| 91.5 | 70.2 | 80.8 | 81.2 | 72| 74| 0| 16|.........| 0| 0.00| 0.0| 29.97| 29.89|29.936| 0.8| 0.6|280| 11|NNE| 5|311| |
|07| 93.2*| 68.9 | 81.1*| 80.6 | 70| 73| 0| 16|.........| 0| 0.00| 0.0| 30.00| 29.93|29.962| 0.2| 0.2|252| 8|WSW| 5|256| |
|08| 92.2 | 69.7 | 80.9 | 81.6 | 72| 74| 0| 16|.........| 0| 0.10| 0.0| 29.97| 29.84|29.918| 0.9| 0.9|212| 15| SW| 8|214| |
|09| 85.7 | 70.8 | 78.3 | 77.0 | 70| 80| 0| 14|..3......| 0| 0.92| 0.0| 29.91| 29.71|29.811| 3.4| 3.4|215| 22| S| 12|218| |
|10| 81.7 | 62.9 | 72.3 | 71.6 | 68| 88| 0| 8|..3......| 0| 0.76| 0.0| 29.85| 29.73|29.791| 0.4| 0.4|313| 14| W| 8|299| |
| | | | | | | | | | | | | | | | | | | | | | | | |
|11| 84.9 | 61.1 | 73.0 | 71.8 | 65| 82| 0| 8|.........| 0| 0.00| 0.0| 29.86| 29.76|29.817| 0.3| 0.3|321| 9| W| 5|319| |
|12| 84.2 | 62.1 | 73.1 | 72.5 | 64| 78| 0| 8|..3......| 0| T | 0.0| 29.84| 29.78|29.810| 0.8| 0.8|216| 19|WNW| 9|287| |
|13| 80.2 | 65.2 | 72.7 | 73.8 | 65| 73| 0| 8|..3......| 0| 1.00| 0.0| 29.89| 29.82|29.856| 2.0| 1.9|210| 21| S| 10|223| |
|14| 80.7 | 64.8 | 72.8 | 71.1 | 68| 90| 0| 8|.........| 0| 0.00| 0.0| 29.99| 29.84|29.917| 0.4| 0.4|351| 11|WNW| 5|316| |
|15| 87.1 | 62.2 | 74.7 | 75.1 | 68| 80| 0| 10|.2.......| 0| 0.00| 0.0| 30.03| 29.88|29.961| 0.3| 0.3|224| 10| S| 5|194| |
| | | | | | | | | | | | | | | | | | | | | | | | |
|16| 77.6 | 69.7 | 73.6 | 73.9 | 69| 84| 0| 9|.........| 0| 0.14| 0.0| 29.89| 29.69|29.775| 4.1| 4.1|216| 22| SW| 13|217| |
|17| 86.5 | 64.0 | 75.3 | 75.3 | 65| 71| 0| 11|..3......| 0| 0.00| 0.0| 29.76| 29.61|29.691| 3.5| 3.3|233| 19| S| 10|255| |
|18| 79.7 | 65.0 | 72.3 | 71.5 | 62| 73| 0| 8|.........| 0| 0.00| 0.0| 29.81| 29.65|29.737| 2.0| 1.9|270| 16|WSW| 9|297| |
|19| 73.5 | 61.4 | 67.4 | 66.6 | 63| 89| 0| 3|..3......| 0| 0.30| 0.0| 29.83| 29.71|29.759| 1.0| 0.9|210| 12|SSW| 7|205| |
|20| 80.9 | 59.0 | 69.9 | 68.2 | 63| 84| 0| 5|.........| 0| 0.00| 0.0| 29.94| 29.83|29.895| 0.3| 0.3|280| 9|WNW| 6|222| |
| | | | | | | | | | | | | | | | | | | | | | | | |
|21| 80.8 | 58.3 | 69.6 | 66.3 | 63| 90| 0| 5|..3.5....| 0| 1.42| 0.0| 29.92| 29.73|29.829| 0.8| 0.6|230| 35| W| 22|302| |
|22| 78.4 | 60.5 | 69.4 | 68.0 | 62| 83| 0| 5|.........| 0| 0.04| 0.0| 29.95| 29.73|29.833| 2.6| 2.3|297| 17| W| 9|306| |
|23| 73.1 | 57.1 | 65.1 | 65.7 | 62| 88| 0| 0|.........| 0| 0.06| 0.0| 29.95| 29.76|29.872| 1.3| 1.3|212| 19|SSW| 11|212| |
|24| 84.2 | 65.8 | 75.0 | 73.5 | 69| 88| 0| 10|.........| 0| T | 0.0| 29.79| 29.67|29.740| 0.9| 0.8|233| 16| W| 6|212| |
|25| 75.5 | 60.3 | 67.9 | 68.6 | 63| 83| 0| 3|.........| 0| 0.05| 0.0| 29.84| 29.65|29.731| 2.0| 1.8|301| 18|WNW| 12|296| |
| | | | | | | | | | | | | | | | | | | | | | | | |
|26| 76.5 | 55.8 | 66.2 | 65.6 | 56| 72| 0| 2|.........| 0| 0.00| 0.0| 29.93| 29.83|29.881| 3.6| 3.5|309| 29|WNW| 13|300| |
|27| 86.2 | 56.5 | 71.3 | 71.4 | 60| 68| 0| 7|.........| 0| 0.00| 0.0| 30.00| 29.92|29.956| 0.7| 0.5|261| 10| NW| 5|300| |
|28| 84.7 | 61.6 | 73.1 | 72.0 | 63| 73| 0| 9|.........| 0| 0.08| 0.0| 29.94| 29.68|29.812| 3.4| 3.4|215| 22| S| 12|215| |
|29| | | | | | | | | | | | | | | | | | | | | | | |
|30| | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | |
|31| | | | | | | | | | | | | | | | | | | | | | | |
+--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- |
+------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+
|2300.4|1744.9|------|------|---|----| 6| 218| Days | 4.91| 0.0| 30.19| 29.61|29.863| 1.7| 1.3|247| 35| W| 22|302| ---- |
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg |
+------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+
| 82.2| 62.3| 72.2 | 71.7 | 64|77.5|----|----|≥.01 Inch 12|26.31| 0.0| 2 | 17 |------|----|----|---| 21 | 21 | |
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+
| | 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 | 6| 309|Thunder 7|Precipitation | Snow, Ice Plts | and Date |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+
| ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 1| 1.53| 9-10| 0.0 | - | 0 | - |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+
| 3 | 0 | 0 | 0 |----|----| Clear 9 Partly Cloudy 11 Cloudy 8 |
+--------+---------+--------+--------+----+----+------------------------------------------+
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: Sunshine index 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
July 2010: 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 |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 1 | JUL 2 | JUL 3 |
| | | |
|01| |30.00| 0.00| 55| 50| 83|26| 4| 8| |30.11| 0.00| 54| 49| 83|30| 0| 2| |30.08| 0.00| 61| 54| 76|27| 0| 2|
|04| |29.99| 0.00| 55| 50| 83|28| 3| 6| |30.12| 0.00| 56| 49| 80|27| 0| 2| |30.06| 0.00| 60| 50| 71|20| 2| 6|
|07| |30.03| 0.00| 54| 48| 80|29| 6| 14| |30.17| 0.00| 56| 52| 85|19| 0| 1| |30.06| 0.00| 60| 52| 76|20| 4| 9|
|10| |30.05| 0.00| 59| 50| 73|30| 6| 11| |30.19| 0.00| 67| 55| 66|33| 0| 6| |30.03| 0.00| 72| 58| 62|23| 5| 13|
|13| |30.04| 0.00| 58| 52| 80|31| 6| 11| |30.17| 0.00| 73| 56| 57|31| 2| 7| |29.97| 0.00| 78| 64| 61|22| 2| 11|
|16| |30.04| 0.00| 60| 55| 84|30| 4| 9| |30.12| 0.00| 76| 55| 48|30| 1| 9| |29.91| 0.00| 83| 65| 55|20| 3| 11|
|19| |30.06| 0.00| 61| 52| 73|30| 1| 5| |30.07| 0.00| 69| 57| 64|33| 0| 0| |29.88| 0.00| 81| 65| 58|20| 2| 8|
|22| |30.09| 0.00| 58| 50| 74|30| 1| 5| |30.08| 0.00| 57| 52| 83|33| 0| 0| |29.90| 0.00| 73| 56| 55|24| 4| 13|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 4 | JUL 5 | JUL 6 |
| | | |
|01| |29.89| 0.00| 70| 52| 53|29| 4| 11| |29.85| 0.00| 73| 57| 59|28| 7| 16| |29.90| 0.00| 78| 69| 74|22| 3| 7|
|04| |29.89| 0.00| 69| 53| 57|24| 3| 8| |29.86| 0.00| 69| 55| 62|23| 1| 7| |29.92| 0.00| 76| 69| 80|23| 1| 5|
|07| |29.90| 0.00| 69| 55| 63|20| 1| 7| |29.88| 0.00| 68| 58| 70|21| 1| 5| |29.95| 0.00| 76| 70| 82|26| 1| 6|
|10| |29.90| 0.00| 75| 61| 62|26| 1| 8| |29.88| 0.00| 80| 66| 62|22| 4| 11| |29.96| 0.00| 84| 74| 73|31| 1| 6|
|13| |29.87| 0.00| 81| 62| 52|28| 2| 7| |29.86| 0.00| 87| 70| 58|21| 4| 8| |29.95| 0.00| 89| 77| 69|31| 0| 6|
|16| |29.82| 0.00| 86| 66| 51|23| 3| 8| |29.84| 0.00| 89| 72| 58|20| 2| 7| |29.93| 0.00| 91| 74| 58|03| 1| 7|
|19| |29.80| 0.00| 82| 67| 61|26| 0| 4| |29.84| 0.00| 85| 74| 71|21| 0| 6| |29.92| 0.00| 86| 74| 69|36| 0| 0|
|22| |29.85| 0.00| 71| 54| 54|28| 0| 8| |29.88| 0.00| 80| 70| 71|25| 0| 6| |29.95| 0.00| 72| 69| 90|07| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 7 | JUL 8 | JUL 9 |
| | | |
|01| |29.95| 0.00| 70| 68| 93|09| 0| 1| |29.96| 0.00| 72| 69| 90|18| 0| 0| |29.89| 0.00| 74| 72| 92|22| 2| 9|
|04| |29.95| 0.00| 71| 66| 84|19| 0| 1| |29.95| 0.00| 75| 68| 80|24| 0| 0| |29.88| 0.00| 73| 70| 92|20| 3| 11|
|07| |30.00| 0.00| 74| 67| 79|17| 0| 1| |29.96| 0.00| 72| 70| 93|21| 0| 0| |29.87| 0.00| 73| 69| 88|21| 0| 10|
|10| |29.99| 0.00| 84| 71| 64|26| 2| 6| |29.96| 0.00| 86| 74| 66|20| 0| 3| |29.85| 0.00| 80| 71| 75|20| 3| 17|
|13| |29.97| 0.00| 89| 75| 63|29| 0| 4| |29.91| 0.00| 91| 74| 57|19| 1| 7| |29.81| 0.00| 83| 73| 72|21| 9| 20|
|16| |29.94| 0.00| 93| 72| 51|23| 0| 4| |29.88| 0.00| 90| 75| 62|29| 0| 1| |29.76| 0.00| 86| 72| 63|22| 3| 14|
|19| |29.94| 0.00| 88| 78| 73|18| 0| 0| |29.85| 0.00| 88| 76| 68|19| 0| 1| |29.72| 0.00| 79| 69| 71|24| 2| 8|
|22| |29.95| 0.00| 76| 70| 82|18| 0| 1| |29.89| 0.00| 81| 72| 75|23| 6| 15| |29.73| 0.00| 72| 70| 91|05| 0| 5|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 10 | JUL 11 | JUL 12 |
| | | |
|01| |29.74| 2.53| 69| 67| 95|28| 0| 11| |29.84| 0.00| 63| 61| 95|02| 0| 0| |29.80| 0.00| 66| 65| 95|20| 1| 4|
|04| |29.74| 0.00| 67| 66| 96|32| 0| 0| |29.83| 0.00| 61| 60| 96|02| 0| 0| |29.80| 0.00| 65| 63| 95|21| 0| 0|
|07| |29.77| 0.00| 68| 67| 96|31| 1| 5| |29.84| 0.00| 62| 61| 96|02| 0| 0| |29.82| 0.00| 65| 64| 96|21| 0| 1|
|10| |29.80| 0.00| 70| 68| 96|32| 1| 4| |29.84| 0.00| 76| 71| 82|35| 0| 1| |29.83| 0.00| 77| 65| 65|22| 3| 9|
|13| |29.81| 0.00| 77| 69| 78|00| 0| 7| |29.83| 0.00| 82| 68| 63|06| 0| 4| |29.83| 0.00| 82| 63| 53|20| 3| 8|
|16| |29.81| 0.00| 81| 67| 63|01| 0| 1| |29.80| 0.00| 81| 69| 67|31| 1| 4| |29.79| 0.00| 83| 66| 57|18| 0| 10|
|19| |29.81| 0.00| 77| 70| 80|02| 0| 0| |29.77| 0.00| 80| 69| 69|31| 0| 0| |29.78| 0.00| 75| 65| 71|25| 0| 2|
|22| |29.84| 0.00| 66| 64| 93|02| 0| 0| |29.79| 0.00| 66| 63| 90|31| 0| 0| |29.81| 0.00| 65| 62| 89|14| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 13 | JUL 14 | JUL 15 |
| | | |
|01| |29.82| 0.00| 72| 60| 67|23| 2| 6| |29.85| 0.00| 67| 66| 95|13| 0| 0| |29.99| 0.00| 64| 63| 95|33| 0| 0|
|04| |29.84| 0.00| 73| 60| 65|20| 2| 5| |29.85| 0.00| 66| 65| 96|09| 0| 0| |29.97| 0.00| 63| 61| 96|33| 0| 0|
|07| |29.86| 0.00| 71| 61| 70|21| 1| 4| |29.90| 0.00| 68| 67| 96|00| 1| 4| |30.01| 0.00| 67| 66| 97|33| 0| 0|
|10| |29.88| 0.00| 77| 67| 71|22| 3| 16| |29.92| 0.00| 69| 68| 96|04| 0| 5| |30.03| 0.00| 79| 72| 80|31| 0| 3|
|13| |29.87| 0.00| 78| 67| 68|20| 6| 15| |29.93| 0.00| 76| 72| 86|31| 2| 5| |29.98| 0.00| 84| 72| 67|30| 0| 5|
|16| |29.85| 0.00| 79| 68| 68|20| 1| 9| |29.94| 0.00| 79| 70| 76|01| 1| 8| |29.93| 0.00| 87| 70| 57|20| 2| 5|
|19| |29.84| 0.00| 77| 69| 77|19| 0| 3| |29.96| 0.00| 77| 71| 80|34| 0| 1| |29.89| 0.00| 83| 72| 71|22| 0| 1|
|22| |29.89| 0.08| 69| 66| 90|33| 0| 3| |29.99| 0.00| 67| 65| 93|33| 0| 0| |29.90| 0.00| 75| 68| 80|22| 1| 4|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 16 | JUL 17 | JUL 18 |
| | | |
|01| |29.88| 0.00| 74| 66| 77|18| 0| 7| |29.74| 0.00| 68| 62| 80|22| 2| 7| |29.66| 0.00| 71| 63| 76|25| 5| 12|
|04| |29.83| 0.00| 74| 66| 78|20| 4| 11| |29.75| 0.00| 66| 62| 85|20| 2| 7| |29.68| 0.00| 68| 59| 71|26| 2| 16|
|07| |29.82| 0.00| 73| 68| 84|20| 4| 14| |29.74| 0.00| 67| 63| 87|20| 3| 9| |29.73| 0.00| 68| 59| 75|23| 1| 10|
|10| |29.77| 0.00| 77| 70| 79|22| 3| 14| |29.73| 0.00| 76| 68| 75|22| 7| 13| |29.73| 0.00| 74| 63| 69|28| 1| 8|
|13| |29.76| 0.06| 73| 71| 91|22| 7| 12| |29.69| 0.00| 82| 70| 69|21| 4| 12| |29.75| 0.00| 75| 62| 64|31| 5| 13|
|16| |29.73| 0.00| 77| 72| 85|21| 9| 14| |29.63| 0.00| 85| 68| 57|22| 4| 19| |29.76| 0.00| 78| 65| 65|01| 0| 6|
|19| |29.70| 0.00| 75| 71| 86|22| 2| 11| |29.62| 0.00| 80| 62| 54|24| 3| 9| |29.77| 0.00| 74| 65| 75|31| 0| 1|
|22| |29.74| 0.00| 71| 68| 93|22| 0| 6| |29.64| 0.00| 75| 64| 69|24| 5| 17| |29.80| 0.00| 68| 62| 83|29| 0| 1|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Precipitation | 0.61 | 0.98 | 1.14 | 1.22 | 1.31 | 1.32 | 1.33 | 1.37 | 1.37 | 1.37 | 1.37 | 1.37 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Date | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Time | 1512 | 1515 | 1515 | 1517 | 1523 | 1523 | 1522 | 1523 | 1523 | 1523 | 1523 | 1523 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
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
July 2010: 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 |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 19 | JUL 20 | JUL 21 |
| | | |
|01| |29.79| 0.00| 67| 62| 84|20| 1| 3| |29.84| 0.00| 60| 58| 95|02| 0| 0| |29.92| 0.00| 60| 59| 95|31| 0| 0|
|04| |29.76| 0.00| 65| 59| 81|21| 1| 6| |29.85| 0.00| 59| 58| 96|02| 0| 0| |29.91| 0.00| 59| 58| 96|31| 0| 0|
|07| |29.75| 0.00| 66| 61| 83|21| 0| 6| |29.89| 0.00| 63| 62| 97|02| 0| 0| |29.91| 0.00| 62| 61| 97|31| 0| 0|
|10| |29.73| 0.00| 65| 63| 93|21| 4| 8| |29.92| 0.00| 68| 66| 93|20| 0| 1| |29.87| 0.00| 75| 67| 77|20| 2| 6|
|13| |29.72| 0.00| 68| 65| 89|21| 2| 8| |29.92| 0.00| 76| 67| 73|20| 1| 5| |29.81| 0.00| 80| 67| 65|20| 4| 9|
|16| |29.72| 0.00| 70| 67| 89|22| 0| 1| |29.91| 0.00| 80| 67| 63|31| 0| 4| |29.75| 0.00| 64| 63| 95|10| 2| 6|
|19| |29.77| 0.00| 71| 67| 86|30| 0| 0| |29.91| 0.00| 79| 65| 63|31| 0| 1| |29.76| 0.00| 67| 66| 96|27| 0| 4|
|22| |29.81| 0.00| 65| 63| 93|02| 0| 0| |29.93| 0.00| 62| 59| 90|31| 0| 0| |29.76| 0.00| 63| 62| 96|21| 0| 5|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 22 | JUL 23 | JUL 24 |
| | | |
|01| |29.75| 0.00| 63| 62| 97|23| 1| 5| |29.94| 0.00| 61| 58| 90|25| 0| 0| |29.76| 0.00| 66| 65| 96|22| 2| 6|
|04| |29.74| 0.00| 63| 62| 96|27| 4| 11| |29.94| 0.00| 59| 57| 93|20| 0| 0| |29.75| 0.00| 67| 66| 96|22| 1| 8|
|07| |29.77| 0.00| 63| 61| 93|29| 3| 6| |29.95| 0.00| 61| 59| 96|20| 0| 4| |29.77| 0.00| 68| 67| 97|21| 1| 3|
|10| |29.82| 0.00| 65| 63| 94|32| 1| 11| |29.92| 0.00| 71| 64| 80|20| 4| 11| |29.79| 0.00| 75| 72| 91|23| 0| 7|
|13| |29.86| 0.00| 72| 64| 74|30| 4| 10| |29.88| 0.00| 73| 65| 75|22| 4| 12| |29.76| 0.00| 82| 71| 70|29| 3| 7|
|16| |29.88| 0.00| 78| 65| 64|31| 4| 9| |29.82| 0.00| 69| 64| 85|19| 1| 6| |29.73| 0.00| 83| 73| 72|21| 1| 5|
|19| |29.89| 0.00| 74| 63| 69|32| 1| 6| |29.79| 0.00| 67| 64| 88|21| 0| 4| |29.69| 0.00| 77| 72| 86|23| 0| 1|
|22| |29.92| 0.00| 65| 59| 82|26| 0| 0| |29.77| 0.00| 65| 64| 95|21| 0| 4| |29.69| 0.00| 72| 69| 92|21| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 25 | JUL 26 | JUL 27 |
| | | |
|01| |29.66| 0.00| 73| 69| 87|25| 1| 5| |29.84| 0.00| 58| 53| 84|31| 0| 3| |29.93| 0.00| 58| 53| 84|27| 0| 0|
|04| |29.66| 0.00| 71| 68| 91|24| 1| 7| |29.84| 0.00| 58| 54| 85|31| 2| 8| |29.96| 0.00| 58| 53| 83|20| 1| 4|
|07| |29.72| 0.00| 68| 66| 93|31| 0| 3| |29.89| 0.00| 59| 53| 82|30| 6| 8| |29.98| 0.00| 60| 55| 83|21| 3| 5|
|10| |29.71| 0.00| 70| 64| 83|30| 5| 13| |29.90| 0.00| 69| 57| 64|29| 10| 18| |30.00| 0.00| 75| 63| 66|26| 0| 5|
|13| |29.73| 0.00| 72| 64| 77|31| 3| 12| |29.88| 0.00| 74| 59| 61|29| 6| 14| |29.97| 0.00| 81| 60| 49|28| 1| 5|
|16| |29.75| 0.00| 69| 60| 75|31| 5| 13| |29.88| 0.00| 76| 59| 56|29| 9| 17| |29.94| 0.00| 85| 62| 47|27| 3| 7|
|19| |29.78| 0.00| 68| 59| 72|29| 3| 7| |29.89| 0.00| 73| 56| 55|31| 6| 12| |29.93| 0.00| 81| 68| 65|26| 0| 1|
|22| |29.82| 0.00| 63| 57| 81|25| 0| 3| |29.91| 0.00| 60| 54| 78|32| 1| 4| |29.94| 0.00| 73| 60| 65|27| 0| 7|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 28 | JUL 29 | JUL 30 |
| | | |
|01| |29.92| 0.00| 63| 57| 82|19| 0| 3| | | | | | | | | | | | | | | | | | |
|04| |29.92| 0.00| 64| 59| 85|22| 1| 5| | | | | | | | | | | | | | | | | | |
|07| |29.90| 0.00| 64| 58| 81|20| 2| 6| | | | | | | | | | | | | | | | | | |
|10| |29.85| 0.00| 76| 63| 64|20| 8| 16| | | | | | | | | | | | | | | | | | |
|13| |29.81| 0.00| 81| 68| 64|22| 5| 17| | | | | | | | | | | | | | | | | | |
|16| |29.73| 0.00| 82| 67| 62|24| 3| 13| | | | | | | | | | | | | | | | | | |
|19| |29.71| 0.00| 77| 62| 60|21| 9| 14| | | | | | | | | | | | | | | | | | |
|22| |29.69| 0.00| 69| 65| 89|20| 4| 13| | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| JUL 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| |29.867| 66| 61| 85| 1.3| 25 | 1.1|
|04| |29.866| 65| 60| 85| 1.2| 24 | 1.0|
|07| |29.887| 66| 61| 86| 1.4| 25 | 0.9|
|10| |29.887| 74| 65| 76| 2.6| 24 | 1.9|
|13| |29.869| 78| 67| 68| 3.1| 25 | 2.2|
|16| |29.842| 80| 67| 65| 2.3| 26 | 1.4|
|19| |29.833| 77| 67| 72| 1.0| 26 | 0.8|
|22| |29.855| 68| 63| 83| 0.8| 24 | 0.8|
+--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
July 2010: 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| | |0.02| | | | | | | | |01
02| | | | | | | | | | | | | | | | | | | | | | | | |02
03| | | | | | | | | | | | | | | | | | | | | | | | |03
04| | | | | | | | | | | | | | | | | | | | | | | | |04
05| | | | | | | | | | | | | | | | | | | | | | | | |05
| | | | | | | | | | | | | | | | | | | | | | | | |
06| | | | | | | | | | | | | | | | | | | | | | | | |06
07| | | | | | | | | | | | | | | | | | | | | | | | |07
08| | | | | | | | | | | | | | | | | | | | | | |0.10| |08
09|0.06|0.05|0.32| | | | | | | | | | | | | | | | | | |0.02|0.29|0.18|09
10|0.48|0.24|0.03| |0.01| | | | | | | | | | | | | | | | | | | |10
| | | | | | | | | | | | | | | | | | | | | | | | |
11| | | | | | | | | | | | | | | | | | | | | | | | |11
12| | | | | | | | | | | | | | | | | | | | | | | | |12
13| | | | | | | | | | | | | | | | | | | | | |0.46|0.52|0.02|13
14| | | | | | | | | | | | | | | | | | | | | | | | |14
15| | | | | | | | | | | | | | | | | | | | | | | | |15
| | | | | | | | | | | | | | | | | | | | | | | | |
16| | | | | | | |0.02| | |0.06|0.01|0.03| |0.02| | | | | | | | | |16
17| | | | | | | | | | | | | | | | | | | | | | | | |17
18| | | | | | | | | | | | | | | | | | | | | | | | |18
19| | | | | | | |0.07|0.09|0.02|0.06|0.01| | |0.05| | | | | | | | | |19
20| | | | | | | | | | | | | | | | | | | | | | | | |20
| | | | | | | | | | | | | | | | | | | | | | | | |
21| | | | | | |0.01| | | | | | | |0.11|1.26| | |0.04| | | | | |21
22|0.01|0.02| | | | | | |0.01| | | | | | | | | | | | | | | |22
23| | | | | | | | | | | | | | | | | | | |0.01|0.03| |0.01|0.01|23
24| | | | | | | | | | | | | | | | | | | | | | | | |24
25| | | | |0.05| | | | | | | | | | | | | | | | | | | |25
| | | | | | | | | | | | | | | | | | | | | | | | |
26| | | | | | | | | | | | | | | | | | | | | | | | |26
27| | | | | | | | | | | | | | | | | | | | | | | | |27
28| | | | | | | | | | | | | | | | | | | |0.02|0.06| | | |28
29| | | | | | | | | | | | | | | | | | | | | | | | |29
30| | | | | | | | | | | | | | | | | | | | | | | | |30
31| | | | | | | | | | | | | | | | | | | | | | | | |31
---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
Sum|0.55|0.31|0.35|0.00|0.06|0.00|0.01|0.09|0.10|0.02|0.12|0.02|0.05|0.00|0.18|1.28|0.00|0.00|0.04|0.03|0.09|0.48|0.92|0.21|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.)
|
 |
Current Radar Loop:
Sun Position
|
|
