LOCAL CLIMATOLOGICAL DATA
Hourly Summary
January 25, 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|-14.0 |-15.2*|-14.7 |-19|  78| 0.00| 30.72| 30.70|30.714| 0.0|329|  0| NW|  0|329|    0 |
|01|-12.4 |-14.0 |-12.9 |-17|  80| 0.00| 30.71| 30.70|30.708| 0.0|329|  0| NW|  0|329|    0 |
|02|-10.6 |-12.4 |-11.5 |-16|  80| 0.00| 30.71| 30.69|30.702| 0.0|329|  0| NW|  0|329|    0 |
|03|-10.5 |-10.9 |-10.7 |-15|  80| 0.00| 30.69| 30.67|30.675| 0.0|329|  0| NW|  0|329|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04|-10.8 |-11.5 |-11.1 |-16|  79| 0.00| 30.68| 30.66|30.669| 0.0|329|  1| NW|  0|329|    0 |
|05|-10.0 |-11.5 |-10.9 |-16|  79| 0.00| 30.69| 30.67|30.678| 0.0|329|  0| NW|  0|329|    0 |
|06| -8.7 |-10.0 | -9.3 |-14|  78| 0.00| 30.69| 30.66|30.677| 0.0|329|  0| NW|  0|329|    0 |
|07| -7.0 | -8.8 | -8.1 |-14|  76| 0.00| 30.67| 30.64|30.655| 0.0|329|  3| NW|  1|329|    8 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| -5.6 | -7.1 | -6.5 |-14|  70| 0.00| 30.64| 30.61|30.620| 0.5|345|  5|  N|  2|357|   53 |
|09| -3.2 | -5.6 | -4.2 |-13|  65| 0.00| 30.62| 30.59|30.609| 0.7|348|  5|NNW|  3|342|   97 |
|10| -1.6 | -3.2 | -2.5 |-12|  62| 0.00| 30.59| 30.56|30.584| 0.3|351|  5|  N|  2|358|   99 |
|11| -1.0 | -1.8 | -1.4 |-11|  61| 0.00| 30.57| 30.53|30.552| 0.4|351|  3|  N|  2|351|   81 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12|  0.0 | -1.1 | -0.6 |-10|  62| 0.00| 30.53| 30.48|30.503| 1.0|356|  5|  N|  2|  5|   72 |
|13|  0.4 | -0.1 |  0.2 | -7|  70| 0.00| 30.49| 30.42|30.451| 0.7| 17|  7|NNE|  3| 15|   68 |
|14|  0.4 |  0.0 |  0.3 | -5|  78| 0.00| 30.42| 30.39|30.408| 0.7|  4|  4|  N|  3|352|   44 |
|15|  0.6 |  0.3 |  0.5 | -4|  81| 0.00| 30.39| 30.33|30.363| 1.1|360|  8|  N|  4| 10|   19 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16|  1.3 |  0.6 |  1.0 | -3|  83| 0.00| 30.33| 30.30|30.319| 0.7|  3|  6|NNW|  2| 19|    2 |
|17|  1.7 |  1.3 |  1.5 | -3|  83| 0.00| 30.31| 30.27|30.287| 0.4| 11|  4|  N|  2| 11|    0 |
|18|  1.9 |  1.6 |  1.8 | -2|  83| 0.00| 30.27| 30.22|30.245| 0.2| 10|  4|  N|  1|  8|    0 |
|19|  2.6 |  1.9 |  2.2 | -2|  84| 0.00| 30.22| 30.17|30.191| 0.9|  3|  8|NNE|  2| 20|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20|  3.0 |  2.5 |  2.8 | -1|  84| 0.00| 30.17| 30.12|30.144| 0.2|356|  5|  N|  2| 20|    0 |
|21|  3.6 |  3.0 |  3.3 | -0|  85| 0.00| 30.13| 30.10|30.115| 0.0|355|  3|  N|  1|355|    0 |
|22|  3.9 |  3.5 |  3.7 |  0|  85| 0.00| 30.11| 30.08|30.093| 0.0|355|  2|  N|  0|355|    0 |
|23|  4.2*|  3.8 |  4.1 |  1|  85| 0.00| 30.08| 30.02|30.048| 0.0|355|  2|  N|  0|355|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.72| 30.02|30.459| 0.3|360|  8|  N|  4| 10| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     -5.5    | -3.5 | -9|77.2| 1.82|   0  |  23  | ---- | -- | - |   15+ |   15  |  22.6|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  71|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                3.5 | of Snow, Ice Pellets or Ice     9 |  .........  | 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.