LOCAL CLIMATOLOGICAL DATA
Hourly Summary
June 4, 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| 59.3 | 57.8 | 58.5 | 50|  73| 0.00| 30.08| 30.08|30.079| 0.1|236|  5|WSW|  1|246|    0 |
|01| 59.7 | 59.1 | 59.4 | 50|  70| 0.00| 30.08| 30.08|30.077| 0.2|243|  6|  W|  1|251|    0 |
|02| 59.2 | 58.4 | 58.9 | 49|  69| 0.00| 30.08| 30.06|30.070| 0.2|244|  6|WSW|  1|242|    0 |
|03| 58.4 | 53.8 | 56.2 | 48|  74| 0.00| 30.07| 30.06|30.061| 0.0|254|  1|WSW|  0|254|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 53.8 | 51.7 | 52.4 | 47|  83| 0.00| 30.06| 30.05|30.052| 0.0|253|  2|WSW|  0|254|    0 |
|05| 53.8 | 51.5*| 52.3 | 48|  84| 0.00| 30.05| 30.05|30.050| 0.1|247|  3|WSW|  1|250|    9 |
|06| 58.7 | 53.8 | 55.9 | 50|  80| 0.00| 30.06| 30.05|30.052| 0.7|187|  6|  S|  2|194|   31 |
|07| 66.7 | 58.7 | 62.8 | 53|  71| 0.00| 30.07| 30.05|30.061| 1.5|176| 12|SSE|  4|177|  200 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 71.2 | 66.7 | 69.4 | 56|  62| 0.00| 30.07| 30.06|30.066| 1.5|191| 10|  S|  4|191|  467 |
|09| 75.6 | 71.2 | 73.6 | 58|  59| 0.00| 30.07| 30.06|30.060| 1.6|180| 13|  W|  6|238|  630 |
|10| 78.1 | 75.5 | 76.9 | 57|  51| 0.00| 30.06| 30.02|30.035| 2.3|208| 10|WSW|  5|244|  714 |
|11| 79.1 | 77.5 | 78.5 | 57|  47| 0.00| 30.02| 30.01|30.014| 2.3|230| 10| SW|  5|241|  724 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 81.6 | 78.5 | 80.1 | 58|  47| 0.00| 30.01| 30.00|30.005| 2.5|228| 10|WSW|  6|176|  888 |
|13| 82.9 | 81.0 | 81.9 | 56|  42| 0.00| 30.00| 29.97|29.987| 2.9|241| 13|  W|  5|259|  839 |
|14| 83.0*| 80.4 | 82.2 | 56|  40| 0.00| 29.97| 29.96|29.965| 2.9|242| 13|  W|  6|249|  645 |
|15| 82.0 | 79.9 | 80.9 | 55|  41| 0.00| 29.96| 29.95|29.957| 3.1|241| 12|  W|  7|261|  604 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 82.9 | 82.0 | 82.5 | 54|  37| 0.00| 29.95| 29.94|29.943| 3.6|241| 11|WSW|  6|212|  616 |
|17| 82.5 | 80.8 | 81.9 | 54|  38| 0.00| 29.94| 29.92|29.932| 3.3|251| 12|SSE|  7|257|  409 |
|18| 81.1 | 77.7 | 79.6 | 54|  42| 0.00| 29.92| 29.91|29.917| 1.0|234|  7|  W|  4|236|  126 |
|19| 77.7 | 70.5 | 73.9 | 58|  57| 0.00| 29.92| 29.91|29.916| 0.2|227|  4| SW|  2|228|   63 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 70.6 | 63.8 | 66.5 | 55|  68| 0.00| 29.92| 29.91|29.918| 0.0|229|  0| SW|  0|228|    4 |
|21| 64.4 | 63.2 | 63.7 | 52|  66| 0.00| 29.93| 29.92|29.929| 0.3|250| 10|WSW|  2|255|    0 |
|22| 64.5 | 63.3 | 63.9 | 51|  64| 0.00| 29.93| 29.93|29.931| 0.5|249| 12|  W|  2|246|    0 |
|23| 64.9 | 63.0 | 63.8 | 50|  61| 0.00| 29.93| 29.92|29.923| 1.1|238| 12|  S|  4|235|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.00| 30.08| 29.91|30.000| 1.3|229| 13|  W|  7|257| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     67.3    | 69.0 | 53|59.4| 0.00|   0  |  18+ | ---- | -- | - |    9+ |   17  | 290.4|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | 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.