LOCAL CLIMATOLOGICAL DATA
Hourly Summary
January 27, 2026

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|  4.8 |  3.6 |  4.0 |  0|  85| 0.00| 29.88| 29.87|29.871| 1.3|233|  8|  W|  4|206|    0 |
|01|  5.2 |  4.1 |  4.9 |  0|  81| 0.00| 29.90| 29.88|29.890| 3.3|255| 12|  W|  7|255|    0 |
|02|  4.1 |  0.9 |  2.9 | -2|  81| 0.00| 29.92| 29.90|29.918| 1.3|257|  8|WSW|  5|272|    0 |
|03|  0.9 | -2.0 | -0.9 | -5|  82| 0.00| 29.94| 29.92|29.935| 1.0|241|  9|WSW|  5|245|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| -0.3 | -1.2 | -0.8 | -5|  82| 0.00| 29.95| 29.94|29.946| 1.1|220|  8|WSW|  3|242|    0 |
|05| -0.9 | -2.6 | -1.7 | -6|  82| 0.00| 29.95| 29.94|29.946| 0.9|207|  7|  S|  3|185|    0 |
|06| -1.4 | -3.4 | -2.2 | -6|  83| 0.00| 29.95| 29.93|29.942| 0.2|254|  6|  W|  2|251|    0 |
|07| -3.1 | -4.3*| -3.6 | -7|  83| 0.00| 29.93| 29.92|29.929| 0.0|252|  0|  W|  0|251|    2 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08|  2.2 | -3.8 | -1.4 | -5|  85| 0.00| 29.92| 29.91|29.913| 0.0|252|  0|  W|  0|251|   16 |
|09|  4.7 |  2.2 |  4.2 | -0|  82| 0.00| 29.92| 29.90|29.910| 2.8|175| 12|  S|  7|178|   24 |
|10|  7.5 |  4.4 |  5.7 |  0|  78| 0.00| 29.91| 29.89|29.904| 4.5|174| 12|SSE|  7|177|   24 |
|11|  9.1 |  7.4 |  8.4 |  3|  78| 0.00| 29.90| 29.87|29.883| 4.2|175| 12|SSE|  7|166|   30 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 11.2 |  9.0 | 10.2 |  5|  80| 0.00| 29.87| 29.83|29.851| 4.0|177| 11|  S|  8|180|   41 |
|13| 13.2*| 11.1 | 12.4 |  7|  77| 0.00| 29.83| 29.82|29.828| 2.7|176|  9|SSE|  5|181|   53 |
|14| 13.2 | 12.5 | 12.9 |  6|  75| 0.00| 29.83| 29.82|29.821| 2.7|180| 10|  S|  5|179|   28 |
|15| 12.5 | 11.6 | 12.0 |  7|  80| 0.00| 29.83| 29.82|29.822| 2.2|170| 10|SSE|  5|174|   13 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 11.7 | 10.6 | 11.3 |  7|  84| 0.00| 29.84| 29.82|29.828| 2.1|172|  9|  S|  4|173|    5 |
|17| 10.6 |  8.9 | 10.0 |  6|  85| 0.00| 29.85| 29.84|29.843| 1.5|176|  9| SE|  5|165|    0 |
|18|  8.9 |  8.1 |  8.5 |  5|  86| 0.00| 29.86| 29.85|29.853| 1.4|176|  7|  S|  4|167|    0 |
|19|  9.4 |  8.2 |  8.7 |  6|  87| 0.00| 29.86| 29.85|29.857| 1.0|178|  8|  S|  5|167|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20|  9.8 |  9.2 |  9.4 |  6|  86| 0.00| 29.86| 29.85|29.856| 3.1|175| 10|SSE|  5|174|    0 |
|21| 10.3 |  9.7 |  9.9 |  7|  86| 0.00| 29.88| 29.86|29.870| 2.0|210| 13|WSW|  6|249|    0 |
|22| 10.3 |  9.0 |  9.5 |  6|  85| 0.00| 29.88| 29.87|29.878| 1.8|219|  9| SW|  6|235|    0 |
|23|  9.2 |  8.7 |  8.9 |  5|  85| 0.00| 29.89| 29.88|29.885| 1.2|201|  7| SW|  3|188|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 29.95| 29.82|29.883| 1.9|191| 13|WSW|  8|180| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |      4.4    |  6.0 |  2|82.3| 2.45|   4+ |  14  | ---- | -- | - |   21  |   12  |   9.8|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  60|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.3 | of Snow, Ice Pellets or Ice    14 |  .........  | 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.