LOCAL CLIMATOLOGICAL DATA
Hourly Summary
May 30, 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| 44.8 | 43.1 | 43.9 | 42|  92| 0.10| 29.69| 29.67|29.681| 0.3|286|  9|WNW|  2|276|    0 |
|01| 43.2 | 42.4 | 42.8 | 41|  93| 0.14| 29.71| 29.69|29.703| 0.2|316|  5|  N|  1|307|    0 |
|02| 42.5 | 41.9 | 42.2 | 40|  93| 0.07| 29.72| 29.70|29.710| 1.4|271| 14|  W|  4|287|    0 |
|03| 43.6 | 42.2 | 42.9 | 41|  94| 0.05| 29.77| 29.72|29.740| 2.1|360| 16|  N|  8|337|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 43.6 | 43.3 | 43.5 | 42|  94| 0.12| 29.82| 29.77|29.793| 1.0|352| 10| NW|  4|323|    0 |
|05| 43.7 | 43.3 | 43.4 | 42|  94| 0.09| 29.86| 29.82|29.836| 1.0|349| 12| NW|  5|355|    2 |
|06| 44.1 | 43.3 | 43.6 | 42|  94| 0.00| 29.90| 29.86|29.880| 0.5|345| 10|WNW|  3|  1|   24 |
|07| 45.7 | 44.0 | 45.1 | 43|  94| 0.00| 29.93| 29.90|29.916| 1.0|345| 11| NW|  4|335|   83 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 47.2 | 45.3 | 45.9 | 44|  93| 0.00| 29.97| 29.93|29.947| 2.7|349| 15|NNW|  6|356|  264 |
|09| 49.5 | 46.9 | 48.0 | 43|  84| 0.00| 29.99| 29.96|29.975| 3.5|353| 19| NW|  7|343|  478 |
|10| 51.8 | 49.4 | 50.8 | 43|  74| 0.00| 30.01| 29.98|29.996| 3.7|352| 21|WNW|  8|353|  687 |
|11|      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12|      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|13| 57.8 | 56.6 | 57.0 | 44|  61| 0.00| 30.06| 30.05|30.054| 1.8|338| 13|  N|  4|357|  958 |
|14| 58.3 | 56.0 | 57.0 | 43|  58| 0.00| 30.06| 30.05|30.056| 2.9|355| 14|  N|  8|355|  785 |
|15| 59.1 | 56.5 | 57.7 | 43|  58| 0.00| 30.06| 30.05|30.055| 2.9|353| 21|NNW| 11| 19|  659 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 61.6*| 56.9 | 59.3 | 44|  57| 0.00| 30.05| 30.05|30.051| 1.8|340| 14|  N|  5|351|  548 |
|17| 59.4 | 57.7 | 58.5 | 43|  57| 0.00| 30.06| 30.05|30.053| 1.6|355| 11|NNW|  5|340|  456 |
|18| 58.9 | 56.9 | 57.9 | 43|  58| 0.00| 30.06| 30.05|30.051| 0.7|333|  9| NW|  2|340|  163 |
|19| 57.0 | 52.7 | 55.3 | 44|  66| 0.00| 30.05| 30.05|30.049| 0.1|317|  5|NNE|  1|  3|   75 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 52.7 | 46.0 | 49.1 | 43|  79| 0.00| 30.05| 30.04|30.045| 0.0| 13|  0|NNE|  0|  3|    5 |
|21| 46.0 | 43.6 | 45.0 | 40|  84| 0.00| 30.06| 30.05|30.050| 0.0| 13|  0|NNE|  0|  3|    0 |
|22| 43.6 | 42.5 | 43.0 | 39|  86| 0.00| 30.06| 30.05|30.056| 0.0| 13|  0|NNE|  0|  3|    0 |
|23| 42.6 | 41.2*| 42.1 | 39|  88| 0.00| 30.06| 30.04|30.047| 0.0| 13|  0|NNE|  0|  3|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.57| 30.06| 29.67|29.943| 1.3|346| 21|WNW| 11| 19| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     51.4    | 48.8 | 42|79.6| 5.86|  14+ |   0  | ---- | -- | - |   10+ |   15  | 235.7|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  13|
   | 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.