LOCAL CLIMATOLOGICAL DATA
Hourly Summary
June 13, 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| 68.7 | 67.4 | 68.2 | 60|  76| 0.00| 29.72| 29.69|29.705| 3.5|252| 15|WSW|  8|270|    0 |
|01| 67.4 | 64.8 | 65.9 | 59|  78| 0.00| 29.73| 29.71|29.719| 1.7|248| 13| SW|  6|250|    0 |
|02| 64.9 | 62.2 | 63.6 | 58|  81| 0.00| 29.74| 29.73|29.734| 0.8|236| 10|WSW|  3|225|    0 |
|03| 62.2 | 60.1 | 60.8 | 56|  84| 0.00| 29.74| 29.74|29.737| 0.1|236|  5| SW|  1|236|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 60.2 | 57.9 | 58.8 | 55|  86| 0.00| 29.75| 29.74|29.745| 0.0|235|  3| SW|  0|235|    0 |
|05| 58.0 | 57.7 | 57.9 | 54|  88| 0.00| 29.77| 29.75|29.759| 0.1|205|  4| SW|  1|143|    8 |
|06| 60.4 | 58.0 | 59.0 | 55|  88| 0.00| 29.79| 29.77|29.777| 0.2|179|  4|SSE|  1|143|   37 |
|07|  0.0 |  0.0*|  0.0 |  0|   0| 0.00|  0.00|  0.00| 0.000| 0.0|  0|  0|  N|  0|  0|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 71.2 | 66.4 | 69.2 | 61|  74| 0.00| 29.79| 29.78|29.783| 1.2|235|  8|WNW|  4|275|  469 |
|09| 74.4 | 71.2 | 72.6 | 63|  71| 0.00| 29.78| 29.78|29.780| 2.3|255| 11|WNW|  5|259|  630 |
|10| 76.7 | 74.3 | 75.3 | 64|  67| 0.00| 29.78| 29.77|29.778| 1.6|227|  9| SW|  4|252|  755 |
|11| 77.8 | 75.8 | 76.6 | 64|  65| 0.00| 29.78| 29.78|29.781| 2.7|234| 12|SSW|  7|261|  769 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 77.9 | 76.4 | 77.1 | 64|  64| 0.00| 29.78| 29.78|29.779| 2.7|254| 12|WSW|  6|249|  509 |
|13| 80.5 | 76.5 | 79.4 | 64|  60| 0.00| 29.78| 29.76|29.773| 2.3|260| 11|WNW|  5|230|  919 |
|14| 82.0 | 77.8 | 80.0 | 63|  56| 0.00| 29.77| 29.75|29.759| 1.7|259| 11|  W|  5|264|  735 |
|15| 82.8 | 81.2 | 82.2 | 62|  51| 0.00| 29.75| 29.74|29.744| 2.4|246| 13|WNW|  7|260|  763 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 83.0*| 80.9 | 82.3 | 63|  51| 0.00| 29.75| 29.74|29.745| 2.7|257| 11|WNW|  5|277|  636 |
|17| 81.4 | 78.7 | 80.7 | 61|  51| 0.00| 29.75| 29.74|29.748| 2.6|248| 12| SW|  6|252|  428 |
|18| 78.7 | 73.6 | 75.4 | 62|  63| 0.00| 29.75| 29.74|29.745| 0.3|237|  4| SW|  1|222|   94 |
|19| 73.6 | 72.7 | 73.2 | 62|  67| 0.00| 29.75| 29.74|29.744| 0.4|228|  4| SW|  2|231|   80 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 72.7 | 65.9 | 69.2 | 60|  74| 0.00| 29.75| 29.74|29.746| 0.0|230|  1| SW|  0|231|    6 |
|21| 65.9 | 64.4 | 64.9 | 58|  78| 0.00| 29.77| 29.75|29.761| 0.2|237|  5|WSW|  1|237|    0 |
|22| 64.6 | 62.5 | 63.5 | 57|  80| 0.00| 29.77| 29.76|29.767| 0.0|228|  0|WSW|  0|237|    0 |
|23| 62.5 | 61.5 | 61.9 | 56|  81| 0.00| 29.77| 29.76|29.767| 0.0|218|  3|SSW|  1|215|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 29.79|  0.00|28.516| 1.2|248| 15|WSW|  8|270| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     41.5    | 67.4 | 58|68.1| 2.00|   6+ |   7  | ---- | -- | - |    0  |    0  | 285.0|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  23|
   | 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.