LOCAL CLIMATOLOGICAL DATA
Hourly Summary
June 15, 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| 63.8 | 59.9 | 62.7 | 61|  94| 0.16| 29.55| 29.48|29.515| 2.3|259| 14|WSW|  7|273|    0 |
|01| 60.0 | 58.6 | 58.9 | 57|  94| 0.12| 29.55| 29.52|29.539| 1.3|257| 13|WNW|  6|260|    0 |
|02| 58.7 | 58.4 | 58.6 | 57|  94| 0.06| 29.56| 29.54|29.549| 0.0|261|  4|  W|  1|262|    0 |
|03| 58.5 | 58.2 | 58.3 | 57|  95| 0.04| 29.55| 29.53|29.536| 0.0|263|  0|  W|  0|262|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 58.4 | 58.2 | 58.3 | 57|  95| 0.01| 29.55| 29.53|29.540| 0.2|245| 12|  W|  4|260|    0 |
|05| 58.4 | 58.2 | 58.3 | 57|  95| 0.01| 29.57| 29.55|29.562| 0.0|265|  3|  W|  4|260|    3 |
|06| 59.3 | 58.3 | 58.8 | 57|  95| 0.00| 29.58| 29.57|29.578| 0.5|263|  6|  W|  3|264|   52 |
|07| 60.6 | 59.2 | 59.9 | 59|  95| 0.00| 29.61| 29.58|29.593| 0.9|261|  8|WNW|  3|265|   97 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 62.9 | 59.8 | 61.0 | 59|  94| 0.00| 29.62| 29.60|29.611| 3.3|260| 12|WNW|  6|269|  317 |
|09| 65.9 | 62.8 | 64.1 | 60|  86| 0.00| 29.62| 29.61|29.612| 2.9|254| 12| SW|  6|254|  478 |
|10| 66.6 | 63.9 | 65.2 | 59|  81| 0.00| 29.62| 29.61|29.618| 4.8|261| 14|  W|  7|250|  561 |
|11| 66.6 | 65.4 | 66.0 | 59|  78| 0.00| 29.63| 29.62|29.626| 3.1|262| 16| SW|  8|272|  494 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 70.5*| 66.0 | 68.0 | 60|  75| 0.00| 29.63| 29.62|29.626| 2.9|253| 13| SW|  7|247|  765 |
|13| 68.8 | 62.6 | 64.0 | 57|  78| 0.00| 29.64| 29.63|29.633| 0.8|260|  9|WNW|  4|244|  121 |
|14| 64.2 | 61.9 | 63.1 | 57|  80| 0.00| 29.65| 29.64|29.639| 0.8|260| 10|WSW|  4|257|  138 |
|15| 67.4 | 61.9 | 63.9 | 57|  78| 0.00| 29.65| 29.65|29.649| 3.2|252| 12|WSW|  7|258|  389 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 68.2 | 65.2 | 66.9 | 59|  74| 0.00| 29.66| 29.65|29.654| 3.3|265| 14|WSW|  8|240|  468 |
|17| 69.1 | 64.0 | 66.8 | 57|  72| 0.00| 29.67| 29.66|29.662| 4.1|255| 15|  W|  7|253|  416 |
|18| 64.0 | 60.4 | 62.5 | 55|  77| 0.00| 29.69| 29.67|29.679| 2.4|261| 11|  W|  6|255|  113 |
|19| 60.4 | 59.2 | 59.6 | 54|  82| 0.00| 29.70| 29.69|29.696| 0.6|245|  7|WSW|  2|245|   37 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 59.2 | 57.1 | 58.1 | 53|  83| 0.00| 29.71| 29.70|29.705| 1.3|264| 11|  W|  5|258|    4 |
|21| 57.5 | 57.0 | 57.2 | 52|  82| 0.00| 29.74| 29.71|29.727| 1.4|257| 10|  W|  4|255|    0 |
|22| 57.1 | 56.3 | 56.8 | 52|  83| 0.00| 29.74| 29.74|29.739| 1.6|256|  9|WSW|  4|277|    0 |
|23| 56.5 | 54.6*| 55.8 | 51|  84| 0.00| 29.74| 29.74|29.738| 0.4|279|  9|WNW|  4|279|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.40| 29.74| 29.48|29.626| 1.8|258| 16| SW|  8|272| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     62.5    | 61.4 | 57|85.2| 3.01|  22+ |   0  | ---- | -- | - |   11  |   11  | 185.5|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   2|
   | 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.