LOCAL CLIMATOLOGICAL DATA
Hourly Summary
May 29, 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| 54.6 | 52.9 | 54.0 | 49|  81| 0.00| 29.90| 29.89|29.898| 1.1|276| 11|  W|  3|283|    0 |
|01| 52.9 | 51.4 | 52.0 | 47|  83| 0.00| 29.90| 29.89|29.895| 0.1|269|  8|  W|  1|276|    0 |
|02| 51.4 | 50.1 | 50.7 | 46|  83| 0.00| 29.89| 29.89|29.891| 0.1|287|  4|WNW|  1|297|    0 |
|03| 50.8 | 50.1 | 50.3 | 46|  84| 0.00| 29.90| 29.89|29.896| 0.1|274|  6|  W|  2|273|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 50.8 | 49.4 | 50.3 | 45|  82| 0.00| 29.90| 29.89|29.894| 0.0|268|  1|  W|  0|268|    0 |
|05| 49.4 | 47.3 | 48.3 | 44|  84| 0.00| 29.89| 29.89|29.889| 0.0|268|  1|  W|  0|268|   13 |
|06| 50.4 | 47.6 | 49.2 | 45|  87| 0.00| 29.90| 29.88|29.889| 0.0|268|  0|  W|  0|268|   51 |
|07| 56.4 | 50.3 | 52.8 | 47|  80| 0.00| 29.88| 29.87|29.877| 0.2|314|  4|  W|  2|277|  189 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 59.5 | 56.3 | 57.9 | 49|  71| 0.00| 29.87| 29.86|29.868| 1.3|261| 10|  W|  6|266|  407 |
|09| 61.2 | 58.7 | 60.0 | 51|  71| 0.00| 29.86| 29.83|29.849| 2.3|253| 10|  W|  6|259|  533 |
|10| 63.5*| 60.4 | 61.7 | 50|  66| 0.00| 29.83| 29.81|29.820| 1.9|251| 10|WSW|  6|257|  506 |
|11| 61.9 | 60.5 | 60.9 | 49|  64| 0.00| 29.81| 29.79|29.796| 1.4|254|  8|  W|  4|258|  329 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 60.5 | 59.5 | 60.0 | 48|  65| 0.00| 29.79| 29.74|29.771| 0.6|262|  6|  W|  4|260|  213 |
|13| 60.4 | 59.6 | 60.1 | 49|  67| 0.00| 29.74| 29.68|29.705| 0.2|159|  6|  S|  1|168|  189 |
|14| 60.0 | 58.5 | 59.5 | 51|  74| 0.00| 29.68| 29.66|29.669| 0.2|180|  6|SSE|  2|186|  150 |
|15| 58.5 | 57.6 | 57.9 | 52|  82| 0.01| 29.66| 29.62|29.636| 0.5|184|  6|  S|  2|206|  136 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 57.6 | 55.6 | 56.6 | 52|  83| 0.02| 29.62| 29.60|29.608| 1.5|216| 13|  S|  7|214|   81 |
|17| 55.8 | 55.4 | 55.6 | 51|  86| 0.00| 29.60| 29.57|29.583| 0.4|178|  8|  S|  2|214|   68 |
|18| 55.7 | 53.3 | 54.9 | 51|  86| 0.08| 29.60| 29.56|29.568| 0.5|293| 12| NW|  4|347|   18 |
|19| 53.3 | 51.3 | 51.9 | 49|  90| 0.25| 29.62| 29.59|29.604| 0.4|337|  5|  N|  2|311|    5 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 51.4 | 51.1 | 51.3 | 49|  92| 0.17| 29.63| 29.60|29.609| 0.1|259|  7|  W|  2|261|    0 |
|21| 51.2 | 49.0 | 50.0 | 48|  92| 0.12| 29.64| 29.61|29.626| 0.5| 30|  7|  W|  3| 53|    0 |
|22| 49.4 | 45.6 | 48.5 | 46|  92| 0.01| 29.65| 29.63|29.637| 0.3|286|  8|  W|  3|283|    0 |
|23| 45.6 | 44.8*| 44.9 | 43|  92| 0.03| 29.67| 29.65|29.660| 0.3|328|  9|  W|  2|292|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.69| 29.90| 29.56|29.756| 0.6|254| 13|  S|  7|214| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     54.2    | 54.1 | 48|80.7| 5.29|   0+ |  18  | ---- | -- | - |   16  |   16  | 120.3|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  10|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  ..3......  | 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.