LOCAL CLIMATOLOGICAL DATA
Hourly Summary
May 16, 2025

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| 59.5 | 58.5 | 59.0 | 57|  92| 0.00| 29.70| 29.68|29.690| 0.0|160|  1|SSE|  0|160|    0 |
|01| 58.9 | 58.1*| 58.4 | 56|  93| 0.00| 29.69| 29.68|29.687| 0.0|160|  2|SSE|  0|160|    0 |
|02| 59.7 | 58.3 | 59.3 | 58|  94| 0.00| 29.71| 29.69|29.695| 0.4|162|  6|SSE|  2|160|    0 |
|03| 60.5 | 59.5 | 59.8 | 58|  94| 0.00| 29.71| 29.70|29.705| 0.8|186|  6|SSE|  3|188|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 61.3 | 60.5 | 61.1 | 59|  94| 0.00| 29.71| 29.69|29.702| 2.2|179|  9|  S|  4|174|    0 |
|05| 60.9 | 60.4 | 60.7 | 59|  94| 0.00| 29.70| 29.69|29.692| 2.6|181|  9|  S|  4|168|    4 |
|06| 62.6 | 60.7 | 61.5 | 60|  94| 0.00| 29.69| 29.67|29.680| 2.6|183|  8|  S|  5|178|   26 |
|07| 68.0 | 62.6 | 65.0 | 62|  91| 0.00| 29.68| 29.67|29.677| 1.5|185| 10|SSE|  4|183|  183 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 71.7 | 68.0 | 70.0 | 65|  83| 0.00| 29.68| 29.67|29.674| 3.0|174| 12|SSE|  6|178|  418 |
|09| 75.0 | 71.6 | 73.0 | 66|  79| 0.00| 29.67| 29.66|29.662| 1.7|171|  8|ESE|  5|176|  537 |
|10| 77.7 | 75.0 | 76.5 | 67|  73| 0.00| 29.66| 29.63|29.645| 2.0|186|  8|  S|  5|188|  677 |
|11| 79.2 | 77.5 | 78.1 | 67|  69| 0.00| 29.63| 29.61|29.625| 2.0|186| 13|SSE|  5|194|  619 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 81.7 | 79.1 | 80.4 | 66|  63| 0.00| 29.61| 29.59|29.604| 4.2|201| 15|SSE|  8|174|  870 |
|13| 83.3 | 81.4 | 82.2 | 65|  57| 0.00| 29.59| 29.56|29.581| 4.0|196| 15|SSE|  9|174|  855 |
|14| 83.6 | 81.9 | 82.6 | 65|  55| 0.00| 29.57| 29.55|29.562| 5.2|190| 16|SSE|  8|176|  734 |
|15| 84.0*| 80.5 | 82.9 | 64|  53| 0.00| 29.55| 29.53|29.535| 5.2|195| 19|SSE|  8|189|  644 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 80.5 | 78.3 | 79.3 | 62|  56| 0.00| 29.56| 29.53|29.548| 4.7|193| 20|  S|  8|183|  276 |
|17| 78.3 | 75.2 | 76.8 | 64|  64| 0.00| 29.56| 29.55|29.554| 3.2|192| 20|  S|  7|194|  130 |
|18| 75.5 | 74.0 | 74.9 | 64|  70| 0.00| 29.55| 29.55|29.549| 1.8|187| 11|  S|  5|187|   89 |
|19| 74.1 | 71.5 | 72.4 | 64|  75| 0.00| 29.55| 29.54|29.547| 1.7|207| 10|SSE|  5|203|   28 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 71.6 | 67.4 | 69.3 | 63|  81| 0.00| 29.55| 29.54|29.545| 0.4|190|  7|SSW|  2|186|    3 |
|21| 67.4 | 66.0 | 66.8 | 63|  87| 0.01| 29.56| 29.55|29.555| 0.8|181|  8|  S|  3|182|    0 |
|22| 66.1 | 64.8 | 65.2 | 62|  90| 0.00| 29.57| 29.55|29.564| 1.0|178|  7|  S|  3|171|    0 |
|23| 64.9 | 62.1 | 63.8 | 61|  91| 0.00| 29.57| 29.56|29.565| 0.4|186|  6|  S|  4|185|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.01| 29.71| 29.53|29.618| 2.1|189| 20|  S|  9|174| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     71.1    | 70.0 | 62|78.8| 2.49|   3  |  15  | ---- | -- | - |   16+ |   13  | 253.9|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat   0|
   | Ice Pellets        | Greatest Depth on Ground          | Precip Types|Degree+----------+
   |                0.0 | of Snow, Ice Pellets or Ice     0 |  ..3......  | Days |  Cool   6|
   +--------------------+-----------------------------------+-------------+------+----------+

  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.