LOCAL CLIMATOLOGICAL DATA
Hourly Summary
April 18, 2024

Station: Westford
Latitude: 43° 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| 43.4 | 42.5 | 42.9 | 33|  69| 0.00| 30.06| 30.04|30.050| 0.0| 39|  1|NNE|  0| 39|    0 |
|01| 43.7 | 43.3 | 43.5 | 34|  69| 0.00| 30.04| 30.02|30.029| 0.0| 39|  2|NNE|  0| 39|    0 |
|02| 46.9 | 43.4 | 45.4 | 34|  65| 0.00| 30.02| 30.00|30.004| 0.6|121|  8|ESE|  3|117|    0 |
|03| 45.9 | 44.1 | 44.9 | 35|  68| 0.00| 30.00| 29.99|29.998| 0.5|116|  7| SE|  2|117|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|04| 47.1 | 45.9 | 46.6 | 37|  69| 0.00| 30.00| 29.99|29.992| 2.3|145| 11|SSE|  5|151|    0 |
|05| 47.3*| 46.8 | 47.1 | 37|  68| 0.00| 30.00| 29.99|29.993| 2.4|128| 15|  S|  7|148|    0 |
|06| 46.8 | 46.2 | 46.5 | 37|  69| 0.00| 30.01| 30.00|30.004| 3.2|124| 16|ESE|  9|133|    3 |
|07| 46.3 | 44.0 | 44.9 | 37|  75| 0.00| 30.04| 30.01|30.027| 3.6|144| 18|  S|  8|123|   20 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|08| 44.9 | 43.4 | 44.5 | 37|  76| 0.02| 30.04| 30.03|30.037| 3.0|148| 12| SE|  6|156|   58 |
|09| 43.4 | 41.5 | 42.3 | 38|  85| 0.02| 30.05| 30.04|30.048| 2.8|139| 13| SE|  7|137|   59 |
|10| 41.7 | 41.3 | 41.5 | 38|  86| 0.02| 30.06| 30.05|30.058| 1.9|118| 12|  S|  6|133|   72 |
|11| 41.8 | 41.5 | 41.7 | 38|  85| 0.04| 30.07| 30.06|30.067| 2.6|147| 13|ESE|  6|149|   84 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|12| 41.5 | 40.6 | 41.1 | 38|  88| 0.11| 30.08| 30.07|30.077| 3.3|150| 13|SSE|  6|151|  126 |
|13| 40.9 | 40.5 | 40.7 | 38|  89| 0.08| 30.09| 30.08|30.084| 2.8|150| 14|  E|  6|162|  109 |
|14| 41.2 | 40.8 | 41.0 | 38|  90| 0.08| 30.10| 30.09|30.096| 3.1|155| 12|SSE|  7|164|  112 |
|15| 41.8 | 41.1 | 41.5 | 39|  92| 0.08| 30.10| 30.09|30.097| 3.7|159| 14|SSE|  8|170|  142 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|16| 41.9 | 41.6 | 41.8 | 40|  92| 0.03| 30.10| 30.09|30.099| 2.9|158| 12|  S|  6|155|   86 |
|17| 41.6 | 41.3 | 41.4 | 39|  92| 0.02| 30.11| 30.07|30.096| 2.2|151| 12|SSE|  5|158|   49 |
|18| 41.4 | 41.1 | 41.2 | 39|  92| 0.00| 30.10| 30.09|30.096| 2.2|166| 12|SSE|  6|164|   11 |
|19| 41.1 | 40.9 | 41.1 | 39|  92| 0.00| 30.11| 30.09|30.101| 1.8|161|  9|ESE|  4|126|    0 |
|  |      |      |      |   |    |     |      |      |      |    |   |   |   |   |   |      |
|20| 41.0 | 40.6 | 40.8 | 39|  93| 0.03| 30.12| 30.11|30.111| 2.9|167| 10|SSE|  6|179|    0 |
|21| 40.7 | 40.4 | 40.5 | 39|  93| 0.01| 30.12| 30.11|30.113| 2.1|160| 10| SE|  5|165|    0 |
|22| 40.5 | 40.3*| 40.4 | 38|  92| 0.00| 30.11| 30.10|30.104| 3.0|160| 12| SE|  5|163|    0 |
|23| 40.7 | 40.4 | 40.5 | 38|  92| 0.00| 30.11| 30.09|30.103| 2.9|166| 13|  S|  7|163|    0 |
+--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- |Total|                For the day:                 | ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   | ---- | ---- | ---- | - | -- | 0.54| 30.12| 29.99|30.062| 2.3|149| 18|  S|  9|133| ---- |
   +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+
   |     Avg     | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - |  Hour |  Hour |  Avg |
   +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+
   |     43.8    | 42.7 | 38|82.6| 3.85|  21  |   4  | ---- | -- | - |    7  |    6  |  38.8|
   +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+
   | Total Snow,        |                                   |             |      |  Heat  21|
   | 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.