LOCAL CLIMATOLOGICAL DATA
Hourly Summary
November 21, 2025

Station: Westford
Latitude: 44° 37' 38" N
Longitude: 73° 02' 30" W
Elevation (ground): 850 ft.
Time Zone: Eastern

+--+------------------------+----+-----+--------------------+------------------------+------+
|  |       Temperature      |    | Pre-|      Pressure      |           Wind         |Solar |
|  +------+------+------+---+ Hu-|cipi-|  Adj. to Sea Level +----+---+-------+-------+------+
|  |   M  |   M  |      |   |mid-| ta- +------+------+------+ Avg|Res| Peak  |2Minute| Mean |
|  |   a  |   i  |      | D | ity| tion|      |      |      |    |   +---+---+---+---+   W  |
|  |   x  |   n  |      | e |    |     |      |      |      |  S |   | S |   | S |   |   a  |
| H|   i  |   i  |   M  | w |  M |     |      |      |   M  |  p |   | p |   | p |   |   t  |
| o|   m  |   m  |   e  |   |  e |Water|   M  |   M  |   e  |  e | D | e | D | e | D |   t  |
| u|   u  |   u  |   a  | P |  a |     |   a  |   i  |   a  |  e | i | e | i | e | i |   s  |
| r|   m  |   m  |   n  | t |  n |Equiv|   x  |   n  |   n  |  d | r | d | r | d | r |  m²  |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
| 1|   2  |   3  |   4  | 5 |  6 |  7  |   8  |   9  |  10  | 11 | 12| 13| 14| 15| 16|  17  |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
|00| 28.7 | 26.2*| 27.4 | 24|  86| 0.00| 30.08| 30.05|30.073| 1.4|166|  8| SE|  4|151|    0 |
|01| 29.1 | 28.1 | 28.6 | 24|  82| 0.00| 30.06| 30.03|30.044| 0.9|173| 11| SE|  4|178|    0 |
|02| 31.4 | 28.7 | 30.6 | 24|  77| 0.00| 30.03| 29.99|30.003| 3.2|167|  9|SSE|  5|167|    0 |
|03| 32.1 | 31.0 | 31.6 | 25|  76| 0.00| 30.04| 30.00|30.016| 3.6|171| 11|  S|  6|176|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 32.2 | 31.1 | 31.5 | 25|  76| 0.00| 30.01| 29.97|29.991| 5.1|166| 15|SSE|  9|166|    0 |
|05| 32.2 | 31.5 | 31.8 | 25|  76| 0.00| 29.98| 29.96|29.974| 4.9|170| 12|SSE|  7|165|    0 |
|06| 32.7 | 31.9 | 32.4 | 26|  76| 0.00| 29.99| 29.97|29.978| 4.9|174| 14|  S|  7|170|    0 |
|07| 33.8 | 32.6 | 33.4 | 27|  76| 0.00| 29.98| 29.95|29.959| 5.3|169| 17|SSE|  8|166|    8 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 34.3 | 33.0 | 33.3 | 28|  81| 0.00| 29.95| 29.92|29.929| 5.6|165| 14|SSE| 10|165|   67 |
|09| 35.5 | 34.3 | 35.1 | 30|  81| 0.00| 29.93| 29.91|29.920| 5.8|171| 17|  S| 10|168|   79 |
|10| 35.9 | 35.4 | 35.6 | 30|  80| 0.00| 29.91| 29.87|29.891| 7.2|171| 19|  S| 10|163|   44 |
|11| 36.6 | 35.7 | 36.2 | 31|  81| 0.00| 29.87| 29.85|29.858| 6.3|172| 18|SSE|  9|180|   46 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 37.2 | 36.6 | 37.0 | 32|  81| 0.00| 29.85| 29.83|29.843| 5.8|175| 20|SSE|  9|174|   44 |
|13| 37.3*| 37.0 | 37.2 | 33|  83| 0.01| 29.83| 29.82|29.829| 6.1|177| 18|  S| 10|172|   24 |
|14| 37.3 | 36.7 | 37.0 | 33|  86| 0.02| 29.83| 29.83|29.830| 4.4|177| 12|SSE|  8|173|   17 |
|15| 37.0 | 36.6 | 36.8 | 33|  87| 0.01| 29.84| 29.83|29.834| 3.2|176| 10|SSE|  5|173|    5 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 36.7 | 36.3 | 36.5 | 33|  89| 0.02| 29.83| 29.82|29.828| 3.6|171| 10|  S|  6|165|    0 |
|17| 36.6 | 36.4 | 36.5 | 34|  89| 0.01| 29.83| 29.82|29.827| 2.5|179| 10|SSE|  5|173|    0 |
|18| 36.7 | 36.3 | 36.5 | 34|  90| 0.02| 29.85| 29.83|29.841| 2.4|186| 11|  S|  6|172|    0 |
|19| 36.6 | 35.9 | 36.3 | 34|  91| 0.08| 29.84| 29.83|29.833| 4.7|174| 13|SSE|  8|170|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 35.9 | 35.3 | 35.6 | 33|  91| 0.00| 29.84| 29.83|29.831| 2.7|170|  7|SSE|  5|168|    0 |
|21| 36.4 | 35.5 | 36.1 | 34|  93| 0.00| 29.83| 29.82|29.826| 2.7|179|  8|SSE|  5|172|    0 |
|22| 36.7 | 35.8 | 36.4 | 35|  93| 0.03| 29.83| 29.82|29.829| 1.8|249| 13|  W|  7|265|    0 |
|23| 36.0 | 34.3 | 34.9 | 33|  93| 0.00| 29.84| 29.83|29.832| 0.0|257|  1|WSW|  0|257|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.20| 30.08| 29.82|29.901| 3.9|173| 20|SSE| 10|172| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     31.8    | 34.3 | 30|83.9| 4.10|   0  |  21+ | ---- | -- | - |   12  |   13  |  13.9|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  33|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     T |  .........  | Days |  Cool   0|
   +--------------------+-----------------------------------+-------------+------+----------+

  NOTES:
   Data in columns 4, 5, 6, 10, 11, 17 are means via continuous observations for each hour.
   Units: 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.
   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.