LOCAL CLIMATOLOGICAL DATA
Hourly Summary
June 23, 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| 57.9 | 57.6*| 57.8 | 56|  93| 0.00| 29.91| 29.90|29.908| 0.0|178|  0|  S|  0|178|    0 |
|01| 58.1 | 57.8 | 58.0 | 56|  94| 0.00| 29.90| 29.88|29.892| 0.0|178|  0|  S|  0|178|    0 |
|02| 58.1 | 57.8 | 58.0 | 56|  94| 0.00| 29.88| 29.87|29.875| 0.0|178|  2|  S|  0|178|    0 |
|03| 58.0 | 57.8 | 57.9 | 56|  94| 0.00| 29.87| 29.87|29.872| 0.0|178|  0|  S|  0|178|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 57.9 | 57.7 | 57.8 | 56|  94| 0.01| 29.87| 29.87|29.870| 0.0|179|  1|  S|  0|179|    0 |
|05| 57.8 | 57.6 | 57.7 | 56|  94| 0.02| 29.87| 29.87|29.871| 0.0|180|  1|  S|  0|180|    5 |
|06| 58.1 | 57.7 | 57.8 | 56|  95| 0.00| 29.87| 29.87|29.870| 0.0|182|  3|  S|  1|182|   22 |
|07| 59.8 | 58.0 | 59.0 | 58|  95| 0.00| 29.87| 29.87|29.873| 0.0|182|  0|  S|  0|182|  100 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 63.9 | 59.8 | 61.8 | 60|  93| 0.00| 29.88| 29.87|29.873| 0.1|185|  3|  S|  1|185|  254 |
|09| 66.8 | 63.2 | 64.5 | 61|  89| 0.00| 29.88| 29.87|29.873| 0.6|253|  9|WSW|  3|254|  333 |
|10| 69.7 | 65.9 | 67.6 | 63|  85| 0.00| 29.88| 29.87|29.876| 1.1|262|  9|  W|  3|259|  460 |
|11| 73.5 | 69.7 | 71.7 | 64|  78| 0.00| 29.87| 29.86|29.866| 0.9|289| 10|  N|  4|254|  867 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 75.0 | 72.8 | 74.1 | 65|  73| 0.00| 29.86| 29.85|29.859| 0.9|291| 10|  W|  4|268|  825 |
|13| 75.7 | 74.8 | 75.3 | 65|  70| 0.00| 29.85| 29.84|29.846| 1.2|325| 11|  W|  3|334|  748 |
|14| 76.8 | 74.6 | 75.2 | 65|  70| 0.00| 29.84| 29.83|29.836| 1.1|293| 12|WNW|  6|270|  590 |
|15| 77.5 | 76.4 | 76.9 | 65|  66| 0.00| 29.83| 29.83|29.830| 1.3|269| 10|  N|  5|241|  699 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 77.4 | 75.9 | 76.6 | 64|  66| 0.00| 29.83| 29.82|29.825| 0.8|284| 11|WSW|  5|254|  511 |
|17| 78.0*| 76.2 | 77.2 | 65|  66| 0.00| 29.82| 29.82|29.819| 0.6|265| 10| NW|  2|268|  501 |
|18| 76.2 | 72.3 | 73.7 | 62|  67| 0.00| 29.83| 29.82|29.822| 0.7|266| 13|NNW|  3|259|  170 |
|19| 72.3 | 68.7 | 70.6 | 61|  71| 0.00| 29.84| 29.83|29.832| 0.5|263|  8|WSW|  3|258|   89 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 68.7 | 63.1 | 66.1 | 59|  78| 0.00| 29.85| 29.83|29.842| 0.3|269|  8|  W|  3|276|    8 |
|21| 63.1 | 59.4 | 60.9 | 56|  85| 0.00| 29.86| 29.85|29.857| 0.0|270|  4|  W|  1|271|    0 |
|22| 59.4 | 58.0 | 58.6 | 55|  87| 0.00| 29.86| 29.85|29.856| 0.2|283|  9|  W|  2|280|    0 |
|23| 58.7 | 57.9 | 58.3 | 54|  86| 0.00| 29.85| 29.84|29.848| 1.3|259| 10|WNW|  4|263|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.03| 29.91| 29.82|29.858| 0.5|277| 13|NNW|  6|270| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     67.8    | 65.5 | 60|82.7| 6.09|   0  |  17  | ---- | -- | - |   18  |   14  | 257.6|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  .........  | Days |  Cool   3|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.