LOCAL CLIMATOLOGICAL DATA Hourly Summary October 15, 2026 Station: Blue Hill Meteorological Observatory Latitude: 42° 12' 44" N Longitude: 71° 06' 53" W Elevation (ground): 635 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| 56.0 | 54.6 | 55.2 | 52| 88| 0.00| 30.00| 29.97|29.989|12.2|333| 22|NNW| 18|334| 0 | |01| 54.7 | 54.3 | 54.5 | 50| 84| 0.00| 30.02| 30.00|30.008|16.1|331| 26| NW| 20|330| 0 | |02| 54.4 | 53.7 | 54.1 | 48| 81| 0.00| 30.05| 30.02|30.032|18.8|336| 31|NNW| 23|339| 0 | |03| 54.4 | 53.7 | 53.9 | 47| 77| 0.00| 30.09| 30.04|30.064|16.6|335| 31| N| 23|338| 0 | | | | | | | | | | | | | | | | | | | |04| 54.5 | 53.6 | 54.3 | 46| 74| 0.00| 30.13| 30.08|30.109|15.2|336| 30|NNW| 21|338| 0 | |05| 53.7 | 51.1 | 52.2 | 43| 70| 0.00| 30.14| 30.12|30.130|15.3|339| 27|NNW| 22|337| 0 | |06| 51.9 | 50.4 | 51.0 | 43| 75| 0.00| 30.17| 30.14|30.154|12.4|347| 23|NNW| 17|348| 58 | |07| 54.1 | 51.9 | 53.0 | 43| 68| 0.00| 30.20| 30.16|30.185|15.8|343| 32| N| 23|340| 234 | | | | | | | | | | | | | | | | | | | |08| 56.2 | 54.1 | 55.1 | 42| 62| 0.00| 30.23| 30.19|30.212|14.9|344| 27|NNW| 21|339| 402 | |09| 58.7 | 56.2 | 57.4 | 43| 58| 0.00| 30.23| 30.22|30.226|11.5|348| 23|NNW| 15|342| 534 | |10| 60.7 | 58.7 | 59.9 | 43| 53| 0.00| 30.23| 30.22|30.228| 9.3|342| 17| NW| 13| 3| 619 | |11| 62.3 | 60.6 | 61.4 | 41| 47| 0.00| 30.23| 30.21|30.224| 7.2|347| 17|NNW| 12|350| 626 | | | | | | | | | | | | | | | | | | | |12| 62.6 | 61.7 | 62.2 | 39| 42| 0.00| 30.22| 30.19|30.203| 6.8| 26| 15| N| 10| 10| 617 | |13| 62.9 | 61.2 | 62.2 | 39| 43| 0.00| 30.20| 30.19|30.198| 4.8| 64| 12|NNE| 8| 68| 529 | |14| 63.1*| 61.2 | 62.1 | 38| 41| 0.00| 30.21| 30.20|30.203| 2.8| 8| 10|ENE| 7| 66| 395 | |15| 62.6 | 61.2 | 61.7 | 39| 43| 0.00| 30.21| 30.20|30.207| 1.6| 64| 6|ESE| 5|103| 226 | | | | | | | | | | | | | | | | | | | |16| 61.4 | 56.5 | 59.7 | 40| 49| 0.00| 30.22| 30.20|30.211| 5.4|291| 10|WNW| 8|289| 58 | |17| 56.6 | 53.1 | 54.5 | 39| 55| 0.00| 30.22| 30.21|30.217| 6.3|293| 10|WNW| 9|284| 1 | |18| 53.2 | 51.7 | 52.7 | 37| 56| 0.00| 30.22| 30.21|30.215| 5.9|149| 12| SE| 10|151| 0 | |19| 51.7 | 50.6 | 51.1 | 36| 55| 0.00| 30.23| 30.21|30.224| 8.4|168| 15| S| 11|173| 0 | | | | | | | | | | | | | | | | | | | |20| 50.6 | 48.8*| 49.7 | 37| 61| 0.00| 30.23| 30.22|30.223| 9.6|181| 17| S| 13|181| 0 | |21| 50.0 | 48.8 | 49.2 | 37| 62| 0.00| 30.22| 30.20|30.212|11.5|178| 21| S| 13|177| 0 | |22| 50.1 | 49.2 | 49.7 | 37| 61| 0.00| 30.21| 30.18|30.196|11.2|173| 19| S| 13|180| 0 | |23| 49.2 | 48.8 | 48.9 | 38| 65| 0.00| 30.18| 30.16|30.175|12.4|174| 21| S| 14|177| 0 | +--+------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+ | ---- | ---- | ---- | - | -- |Total| For the day: | ---- | +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+ | ---- | ---- | ---- | - | -- | 0.00| 30.23| 29.97|30.169|10.5|335| 32| N| 23|340| ---- | +------+------+------+---+----+-----+------+------+------+----+---+---+---+---+---+------+ | Avg | Mean |Avg| Avg|Month| Hour | Hour | ---- | -- | - | Hour | Hour | Avg | +-------------+------+---+----+-----+------+------+------+----+---+-------+-------+------+ | 55.9 | 55.2 | 41|61.3| 1.68| 9+ | 0 | ---- | -- | - | 7 | 7 | 179.1| +-------------+------+---+----+-----+------+------+------+----+---+----+--+---+---+------+ | Total Snow, | | | | Heat 9| | 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.