LOCAL CLIMATOLOGICAL DATA
Hourly Summary
May 24, 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| 53.2 | 51.3 | 52.3 | 45|  76| 0.00| 30.42| 30.41|30.410| 1.6|188| 12|  S|  5|172|    0 |
|01| 51.4 | 50.3 | 50.7 | 44|  79| 0.00| 30.41| 30.39|30.400| 1.2|175| 11|SSE|  4|175|    0 |
|02| 50.3 | 49.5 | 49.9 | 44|  80| 0.00| 30.39| 30.39|30.389| 0.7|174|  7|  S|  4|168|    0 |
|03| 49.6 | 48.7 | 49.1 | 44|  82| 0.00| 30.39| 30.38|30.387| 0.2|181|  5|  S|  2|182|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 48.7 | 48.2 | 48.4 | 44|  84| 0.00| 30.39| 30.38|30.388| 0.0|181|  4|  S|  1|180|    0 |
|05| 48.3 | 47.3 | 47.8 | 44|  87| 0.03| 30.39| 30.38|30.384| 0.1|185|  4|  S|  1|185|    4 |
|06| 47.4 | 46.7 | 46.9 | 44|  88| 0.06| 30.39| 30.37|30.384| 0.9|129| 12|SSE|  3|154|   17 |
|07| 46.9 | 46.4*| 46.6 | 43|  89| 0.10| 30.38| 30.36|30.370| 1.6|153| 10|ESE|  5|133|   33 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 48.1 | 46.9 | 47.5 | 44|  89| 0.01| 30.38| 30.36|30.367| 2.5|168| 21|SSE|  6|154|   98 |
|09| 49.8 | 48.1 | 49.0 | 45|  86| 0.00| 30.38| 30.36|30.369| 2.9|160| 15|SSE|  6|150|  161 |
|10| 50.5 | 49.4 | 49.7 | 45|  84| 0.00| 30.37| 30.36|30.361| 3.4|150| 16|  E|  7|136|  207 |
|11| 51.0 | 48.7 | 50.3 | 45|  82| 0.06| 30.36| 30.35|30.353| 2.7|155| 18| SE|  6|137|  152 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 49.2 | 48.4 | 48.8 | 45|  87| 0.05| 30.35| 30.33|30.335| 2.8|146| 20|  S|  6|166|  233 |
|13| 49.6 | 48.8 | 49.2 | 46|  88| 0.01| 30.33| 30.31|30.322| 2.9|160| 16|SSE|  6|162|  225 |
|14| 49.8 | 49.1 | 49.5 | 46|  87| 0.00| 30.31| 30.30|30.309| 2.7|162| 17|  S|  5|137|  215 |
|15| 51.0 | 49.5 | 50.0 | 46|  87| 0.00| 30.30| 30.28|30.293| 2.4|161| 13| SW|  6|171|  190 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 53.3*| 51.0 | 52.6 | 47|  82| 0.00| 30.28| 30.25|30.260| 3.5|162| 19|SSE|  7|147|  253 |
|17| 53.1 | 52.1 | 52.6 | 47|  81| 0.00| 30.25| 30.21|30.234| 3.3|152| 17|SSE|  6|151|  159 |
|18| 53.2 | 52.3 | 52.8 | 47|  82| 0.00| 30.22| 30.20|30.210| 3.0|155| 22|SSE|  7|183|  147 |
|19| 52.4 | 51.3 | 51.8 | 47|  82| 0.00| 30.22| 30.21|30.214| 2.9|165| 17|SSE|  6|181|   30 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 51.5 | 51.0 | 51.2 | 46|  84| 0.00| 30.21| 30.19|30.199| 3.0|153| 18|ESE|  7|164|    1 |
|21| 51.9 | 51.5 | 51.7 | 47|  83| 0.00| 30.19| 30.17|30.186| 3.1|167| 17|WSW|  6|175|    0 |
|22| 52.2 | 51.7 | 52.0 | 47|  83| 0.00| 30.17| 30.15|30.164| 3.1|167| 14|SSE|  6|168|    0 |
|23| 52.3 | 51.7 | 52.0 | 47|  84| 0.00| 30.15| 30.13|30.137| 2.3|162| 16|SSE|  5|172|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.32| 30.42| 30.13|30.310| 2.2|160| 22|SSE|  7|136| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     49.8    | 50.1 | 45|84.1| 3.70|   0  |  23  | ---- | -- | - |   18  |   10  |  88.6|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  15|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | 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.