Westford MA 01886
Current Weather Conditions [Select Refresh to Update] |
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Current Conditions |
Almanac |
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| Last Updated:
6:00pm on 11/28/09 Outside Temperature: 45.1 °F Today's High: 50.0 °F at 12:32pm Lo: 39.0 °F at 3:02am Barometric Trend: |
Sunrise :
6:53am Sunset: 4:15pm Moonrise: 1:37pm Moonset: 2:43am Moon Phase: 11 |
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Parameter |
Value | High | Time | Low | Time | Average | Rate | Rate Hi | Time | Rate Lo | Time |
|
Wind Direction |
WNW | 357 | 4:44am | 0 | 12:03am | 289 | 34.1 | 108.4 | 5:25pm | -294.1 | 1:45pm |
|
Wind Speed |
2 | 27 | 9:41am | 0 | 12:15am | 3 | -1.2 | 11.4 | 1:40pm | -5.9 | 3:38pm |
|
Gust |
2 | 27 | 9:41am | 2 | 4:00pm | 7 | -4.4 | 8.8 | 1:40pm | -9.3 | 4:00pm |
|
In Humidity |
41 | 42 | 6:15am | 38 | 12:20am | 41 | -0.4 | 0.9 | 5:01pm | -1.0 | 2:19pm |
|
Out Humidity |
31 | 77 | 4:01am | 28 | 1:32pm | 30 | 1.0 | 1.7 | 5:29pm | -1.0 | 1:32pm |
|
In Temp |
70.3 | 70.3 | 5:38pm | 66.2 | 4:00am | 70.0 | 0.34 | 0.49 | 5:38pm | -0.17 | 4:11pm |
|
Out Temp |
45.1 | 50.0 | 12:32pm | 39.0 | 3:02am | 46.3 | -1.17 | 0.49 | 1:27pm | -1.80 | 4:58pm |
|
Barometer |
29.38 | 29.38 | 4:49pm | 28.91 | 12:00am | 29.36 | 0.021 | 0.068 | 4:49pm | 0.000 | |
|
Rain |
24.84 | 24.84 | 2:32am | 24.80 | 12:00am | 24.84 | 0.000 | 0.000 | 0.000 | ||
|
Ch 1 Temp |
0.0 | 0.0 | 12:00am | 0.0 | 12:00am | 0.0 | 0.00 | 0.00 | 0.00 | ||
|
Ch 1 Hum |
0 | 0 | 12:00am | 0 | 12:00am | 0 | 0.0 | 0.0 | 0.0 | ||
|
Ch 2 Temp |
61.2 | 71.1 | 11:32am | 52.9 | 4:05am | 63.0 | -1.88 | 0.00 | -1.92 | 5:53pm | |
|
Ch 2 Hum |
51 | 68 | 8:15am | 43 | 11:16am | 50 | 1.1 | 1.7 | 5:33pm | 0.0 | |
|
Ch 3 Temp |
0.0 | 0.0 | 12:00am | 0.0 | 12:00am | 0.0 | 0.00 | 0.00 | 0.00 | ||
|
Ch 3 Hum |
0 | 0 | 12:00am | 0 | 12:00am | 0 | 0.0 | 0.0 | 0.0 | ||
|
ET |
0.00 | 0.00 | 12:00am | 0.00 | 12:00am | 0.00 | 0.000 | 0.000 | 0.000 | ||
|
UV Index |
0.0 | 0.0 | 12:00am | 0.0 | 12:00am | 0.0 | 0.00 | 0.00 | 0.00 | ||
|
Solar |
0 | 0 | 12:00am | 0 | 12:00am | 0 | 0.0 | 0.0 | 0.0 | ||
|
Wind Chill |
45.1 | 50.0 | 1:38pm | 34.6 | 2:11am | 45.2 | -0.08 | 2.80 | 1:38pm | -4.43 | 4:58pm |
|
In Heat Index |
70.3 | 70.4 | 5:38pm | 66.0 | 4:00am | 70.0 | 0.31 | 0.54 | 5:38pm | -0.19 | 4:11pm |
|
Heat Index |
44.4 | 49.3 | 12:32pm | 42.2 | 1:31am | 45.5 | -1.10 | 0.49 | 1:27pm | -1.72 | 4:58pm |
|
Dew Point |
16.3 | 34.4 | 4:47am | 15.9 | 5:21pm | 16.5 | -0.22 | 0.42 | 1:27pm | -1.11 | 3:53pm |
|
Barom Sea-level |
29.57 | 29.57 | 4:49pm | 29.09 | 12:00am | 29.54 | 0.021 | 0.068 | 4:49pm | 0.000 | |
|
Parameter |
Month High | Date | Month Low | Date | Year High | Date | Year Low | Date | Yesterday High | Yesterday Low | 24 Hour Difference |
|
Wind Direction |
357 | 11/1/09 | 0 | 11/1/09 | 357 | 1/1/09 | 0 | 1/1/09 | 357 | 0 | -31 |
|
Wind Speed |
27 | 11/28/09 | 0 | 11/1/09 | 27 | 11/28/09 | 0 | 1/1/09 | 19 | 0 | -1 |
|
Gust |
27 | 11/28/09 | 0 | 11/1/09 | 27 | 11/28/09 | 0 | 1/1/09 | 19 | 0 | -6 |
|
In Humidity |
51 | 11/1/09 | 35 | 11/12/09 | 72 | 7/25/09 | 24 | 4/29/09 | 42 | 39 | 1 |
|
Out Humidity |
90 | 11/15/09 | 21 | 11/8/09 | 92 | 3/11/09 | 14 | 4/28/09 | 87 | 71 | -55 |
|
In Temp |
73.0 | 11/1/09 | 62.6 | 11/19/09 | 83.7 | 4/26/09 | 58.8 | 1/15/09 | 70.3 | 66.6 | 0.5 |
|
Out Temp |
68.5 | 11/9/09 | 25.3 | 11/18/09 | 94.5 | 4/28/09 | -10.3 | 1/16/09 | 45.1 | 39.6 | 2.0 |
|
Barometer |
30.39 | 11/18/09 | 28.91 | 11/27/09 | 31.01 | 3/3/09 | 0.00 | 1/25/09 | 29.56 | 28.91 | 0.41 |
|
Rain |
24.84 | 11/28/09 | 21.81 | 11/1/09 | 24.84 | 11/28/09 | 0.00 | 1/18/09 | 24.80 | 24.37 | 0.04 |
|
Ch 1 Temp |
48.0 | 11/3/09 | 0.0 | 11/1/09 | 97.2 | 8/16/09 | -1.7 | 1/16/09 | 0.0 | 0.0 | 0.0 |
|
Ch 1 Hum |
0 | 11/1/09 | 0 | 11/1/09 | 67 | 9/23/09 | 0 | 1/1/09 | 0 | 0 | 0 |
|
Ch 2 Temp |
73.6 | 11/5/09 | 0.0 | 11/1/09 | 107.2 | 4/28/09 | 17.4 | 1/16/09 | 71.4 | 55.6 | -2.5 |
|
Ch 2 Hum |
72 | 11/1/09 | 0 | 11/1/09 | 98 | 8/2/09 | 19 | 4/25/09 | 63 | 43 | 3 |
|
Ch 3 Temp |
0.0 | 11/1/09 | 0.0 | 11/1/09 | 98.1 | 4/28/09 | -7.8 | 1/16/09 | 0.0 | 0.0 | 0.0 |
|
Ch 3 Hum |
0 | 11/1/09 | 0 | 11/1/09 | 0 | 1/1/09 | 0 | 1/1/09 | 0 | 0 | 0 |
|
ET |
0.00 | 11/1/09 | 0.00 | 11/1/09 | 0.00 | 1/1/09 | 0.00 | 1/1/09 | 0.00 | 0.00 | 0.00 |
|
UV Index |
0.0 | 11/1/09 | 0.0 | 11/1/09 | 0.0 | 1/1/09 | 0.0 | 1/1/09 | 0.0 | 0.0 | 0.0 |
|
Solar |
0 | 11/1/09 | 0 | 11/1/09 | 0 | 1/1/09 | 0 | 1/1/09 | 0 | 0 | 0 |
|
Wind Chill |
68.5 | 11/9/09 | 24.3 | 11/7/09 | 94.5 | 4/28/09 | -17.0 | 1/16/09 | 45.1 | 33.2 | 3.7 |
|
In Heat Index |
73.9 | 11/1/09 | 62.3 | 11/19/09 | 83.2 | 8/1/09 | -2.2 | 1/25/09 | 70.3 | 66.6 | 0.6 |
|
Heat Index |
68.1 | 11/20/09 | 28.3 | 11/18/09 | 90.0 | 4/28/09 | -10.8 | 1/16/09 | 50.2 | 43.7 | -3.8 |
|
Dew Point |
59.5 | 11/20/09 | 12.2 | 11/6/09 | 72.7 | 8/22/09 | -30.4 | 1/16/09 | 41.2 | 32.2 | -22.9 |
|
Barom Sea-level |
30.57 | 11/18/09 | 29.09 | 11/27/09 | 193.34 | 2/7/09 | 0.00 | 1/25/09 | 29.74 | 29.09 | 0.41 |
|
Press Altitude |
501 | Daily Rain | 0.04 | Degree Heating | 15.1 | Monthly Degree Day Cooling | 0.4 | Heat Index | --- | Beaufort | Light Air |
|
Cloud Base |
7204 | Hourly Rain | 0.00 | Degree Cooling | 0.0 | Monthly Wind Run | 779 | Comfort Index | Cool | ||
|
Air Density |
-287 | 24Hr Rain | 0.04 | Moon Phase | 11 | Yearly Deg Day Heating | 5509.4 | Forecast | |||
|
Virtual Temp |
45.7 | Rain Rate | 0.000 | Monthly Rain | 3.03 | Yearly Degree Day Cooling | 487.6 | Station Barom Trend | Rising | ||
|
Vapor Press |
0.09 | Wind Run | 93 | Monthly Deg Day Heating | 553.4 | Yearly Wind Run | 9352 | Barometer Trend | Rising | ||
Updated Automatically by Ambient Software's
Virtual Weather Station V14.00 |
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