LOCAL CLIMATOLOGICAL DATA
Hourly Summary
May 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| 52.6 | 52.3 | 52.5 | 48|  84| 0.00| 30.13| 30.10|30.116| 2.2|161| 15|SSE|  4|180|    0 |
|01| 52.6 | 50.8 | 51.7 | 48|  87| 0.05| 30.11| 30.08|30.098| 1.3|167|  9|SSE|  4|188|    0 |
|02| 50.9 | 50.5 | 50.6 | 48|  90| 0.08| 30.08| 30.06|30.072| 1.5|173| 11|SSE|  4|176|    0 |
|03| 50.6 | 50.3 | 50.5 | 48|  91| 0.16| 30.06| 30.04|30.051| 0.4|177|  8|SSE|  2|160|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 50.4 | 50.2*| 50.3 | 48|  92| 0.21| 30.04| 30.02|30.034| 0.7|172|  7| SE|  3|184|    0 |
|05| 50.5 | 50.2 | 50.3 | 48|  93| 0.11| 30.02| 30.01|30.016| 0.1|149|  5|SSE|  2|160|    0 |
|06| 50.6 | 50.3 | 50.4 | 49|  94| 0.15| 30.02| 30.02|30.019| 0.0|164|  2|SSE|  0|164|    8 |
|07| 51.7 | 50.5 | 50.9 | 49|  94| 0.09| 30.02| 30.01|30.018| 0.1|168|  6|SSE|  2|168|   55 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 53.3 | 51.6 | 52.3 | 51|  94| 0.01| 30.02| 30.01|30.016| 0.6|181|  7| SE|  3|188|  113 |
|09| 54.6 | 53.2 | 53.9 | 52|  95| 0.00| 30.01| 30.00|30.006| 2.1|185| 15| SE|  5|181|  215 |
|10| 56.3 | 54.4 | 55.1 | 53|  94| 0.00| 30.01| 30.00|30.009| 1.7|195| 11|  S|  4|181|  212 |
|11| 58.8 | 55.8 | 57.0 | 55|  94| 0.00| 30.01| 29.99|30.001| 1.5|192|  7|  S|  4|174|  282 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 59.7 | 58.5 | 58.9 | 56|  91| 0.00| 30.00| 29.99|29.994| 0.8|228|  5| SW|  2|228|  193 |
|13| 60.0 | 59.1 | 59.6 | 57|  89| 0.00| 30.00| 29.99|29.992| 0.9|228|  9| SW|  4|232|  158 |
|14| 60.2 | 58.9 | 59.3 | 57|  91| 0.00| 30.00| 29.99|29.999| 0.6|253| 10|WNW|  4|273|  166 |
|15| 64.3 | 60.2 | 62.5 | 59|  88| 0.00| 30.00| 29.99|29.997| 1.6|264|  9|  W|  5|271|  337 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 66.7 | 63.2 | 64.5 | 59|  83| 0.00| 30.00| 29.98|29.988| 2.3|263| 12| NW|  6|259|  381 |
|17| 68.8*| 66.7 | 68.1 | 60|  75| 0.00| 29.98| 29.97|29.975| 2.2|261| 12|  W|  5|249|  464 |
|18| 68.7 | 67.5 | 67.9 | 59|  73| 0.00| 29.98| 29.97|29.971| 1.3|270|  9|WNW|  4|273|  230 |
|19| 68.1 | 62.5 | 66.2 | 58|  76| 0.00| 29.98| 29.97|29.977| 0.1|248|  4|WSW|  1|248|   76 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 62.5 | 55.1 | 58.4 | 54|  86| 0.00| 30.00| 29.98|29.991| 0.0|248|  0|WSW|  0|248|    4 |
|21| 55.1 | 52.0 | 53.5 | 51|  89| 0.00| 30.02| 30.00|30.014| 0.0|248|  0|WSW|  0|248|    0 |
|22| 53.7 | 52.0 | 53.1 | 51|  92| 0.00| 30.04| 30.02|30.032| 0.0|247|  0|WSW|  0|248|    0 |
|23| 54.5 | 52.7 | 53.8 | 52|  93| 0.00| 30.04| 30.04|30.040| 0.3|213|  6| SW|  3|236|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.86| 30.13| 29.97|30.018| 0.9|212| 15|SSE|  6|259| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     59.5    | 56.3 | 53|88.7| 4.56|   0  |  18  | ---- | -- | - |    0+ |   16  | 120.6|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   5|
   | 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.