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Westford: July 28, 2010
LOCAL CLIMATOLOGICAL DATA
Hourly Summary
July 28, 2010
Station: Westford
Latitude: 44° 37' 39" N
Longitude: 73° 02' 29" W
Elevation (ground): 850 ft.
Time Zone: Eastern
+--+------------------------+----+-----+--------------------+------------------------+------+
| | Temperature | | Pre-| Pressure | Wind | Sun |
| +------+------+------+---+ Hu-|cipi-| Adj. to Sea Level +----+---+-------+-------+------+
| | M | M | | |mid-| ta- +------+------+------+ Avg|Res| Peak | Minute| Mean |
| | a | i | | D | ity| tion| | | | | +---+---+---+---+ |
| | x | n | | e | | | | | | S | | S | | S | | I |
| H| i | i | M | w | M | | | | M | p | | p | | p | | n |
| o| m | m | e | | e |Water| M | M | e | e | D | e | D | e | D | d |
| u| u | u | a | P | a | | a | i | a | e | i | e | i | e | i | e |
| r| m | m | n | t | n |Equiv| x | n | n | d | r | d | r | d | r | x |
| | | | | | | | | | | | | | | | | |
| 1| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12| 13| 14| 15| 16| 17 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
|00| 68.1 | 62.5 | 64.7 | 57| 77| 0.00| 29.93| 29.92|29.926| 0.2|218| 4|SSW| 1|208| |
|01| 62.5 | 62.0 | 62.3 | 57| 84| 0.00| 29.93| 29.92|29.920| 0.4|205| 4|SSW| 2|197| |
|02| 62.8 | 61.6*| 61.9 | 58| 88| 0.00| 29.94| 29.93|29.937| 0.3|204| 4|SSW| 2|198| |
|03| 64.5 | 62.8 | 63.9 | 59| 85| 0.00| 29.94| 29.92|29.932| 1.4|216| 8|SSW| 4|219| |
| | | | | | | | | | | | | | | | | |
|04| 64.0 | 63.3 | 63.7 | 59| 84| 0.00| 29.93| 29.92|29.923| 1.7|210| 7|SSW| 4|209| |
|05| 63.6 | 62.7 | 63.1 | 58| 83| 0.00| 29.92| 29.91|29.913| 1.9|210| 8| S| 3|212| |
|06| 64.2 | 62.9 | 63.4 | 57| 81| 0.00| 29.91| 29.90|29.901| 1.2|209| 7|SSW| 3|204| |
|07| 69.1 | 64.2 | 66.6 | 59| 78| 0.00| 29.90| 29.89|29.894| 2.1|207| 9|SSW| 4|196| |
| | | | | | | | | | | | | | | | | |
|08| 73.3 | 69.1 | 71.5 | 62| 71| 0.00| 29.89| 29.87|29.876| 3.3|208| 13|WSW| 6|214| |
|09| 75.7 | 73.3 | 74.8 | 63| 66| 0.00| 29.87| 29.84|29.852| 4.2|205| 16| S| 9|201| |
|10| 77.7 | 75.7 | 76.8 | 64| 65| 0.00| 29.85| 29.84|29.847| 3.8|210| 14|SSW| 8|202| |
|11| 79.8 | 77.3 | 78.8 | 65| 63| 0.00| 29.84| 29.83|29.836| 3.7|208| 16|SSW| 7|218| |
| | | | | | | | | | | | | | | | | |
|12| 81.6 | 79.8 | 80.7 | 67| 62| 0.00| 29.83| 29.81|29.817| 5.6|215| 18|SSW| 12|215| |
|13| 83.4 | 81.3 | 82.6 | 68| 61| 0.00| 29.81| 29.78|29.789| 5.2|222| 19| W| 9|224| |
|14| 84.7*| 82.2 | 83.2 | 68| 60| 0.00| 29.78| 29.75|29.761| 5.5|216| 19| SW| 11|221| |
|15| 83.2 | 81.6 | 82.2 | 67| 60| 0.00| 29.75| 29.73|29.739| 5.6|223| 22| S| 12|213| |
| | | | | | | | | | | | | | | | | |
|16| 81.6 | 79.0 | 80.0 | 65| 60| 0.00| 29.73| 29.72|29.724| 4.1|233| 16| W| 8|237| |
|17| 79.0 | 78.2 | 78.5 | 63| 58| 0.00| 29.72| 29.71|29.718| 4.4|225| 16| S| 9|205| |
|18| 78.2 | 77.1 | 77.6 | 62| 59| 0.00| 29.72| 29.70|29.709| 5.5|220| 19| SW| 11|220| |
|19| 77.2 | 72.2 | 75.9 | 63| 65| 0.02| 29.71| 29.70|29.706| 5.0|219| 17| SW| 9|219| |
| | | | | | | | | | | | | | | | | |
|20| 72.2 | 68.7 | 69.8 | 65| 85| 0.06| 29.72| 29.69|29.705| 4.5|214| 15| SW| 9|220| |
|21| 68.8 | 68.5 | 68.7 | 65| 90| 0.00| 29.71| 29.69|29.702| 4.1|211| 16| SW| 8|217| |
|22| 68.8 | 68.5 | 68.6 | 65| 89| 0.00| 29.69| 29.68|29.687| 4.6|211| 15| S| 8|211| |
|23| 68.8 | 68.5 | 68.7 | 65| 89| 0.00| 29.69| 29.68|29.684| 4.4|209| 15| S| 8|220| |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
| ---- | ---- | ---- | - | -- |Total| For the day: | ---- |
+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
| ---- | ---- | ---- | - | -- | 0.08| 29.94| 29.68|29.812| 3.4|215| 22| S| 12|215| |
+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
| Avg | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - | Hour | Hour | Avg |
+-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
| 73.1 | 72.0 | 63|73.5| 4.91| 2+ | 23 | ---- | -- | - | 15 | 12 | |
+-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
| Total Snow, | | | | Heat 0|
| Ice Pellets | Greatest Depth on Ground | Precip Types|Degree+----------+
| 0.0 | of Snow, Ice Pellets or Ice 0 | ......... | Days | Cool 9|
+--------------------+-----------------------------------+-------------+------+----------+
NOTES:
Data in columns 4, 5, 6, 10, 11, 17 are means via continuous observations for each hour.
Units are: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches.
Column 5: Dew point is calculated from temperature and humidity and is continuously averaged
for each hour.
Column 12: Resultant wind is calculated by the vector sum of continuous wind observations.
Column 17: Sunshine index is measured in Watts/m^2 and is continuously averaged for each hour.
Precipitation types:
1 FOG, 2 HEAVY FOG, 3 THUNDER, 4 ICE PELLETS, 5 HAIL, 6 GLAZE, 7 DUSTSTORM,
8 SMOKE/HAZE, 9 BLOWING SNOW.
Degree Days heating base is 65°F, cooling base is 65°F.
Data in columns 4B, 5, 6, 10, 11, 17 are updated continuously, there by achieving a
"true" mean.
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