CLIMATE SUMMARY FOR Blue Hill Meteorological Observatory
September 23, 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL LAST
VALUE LOCAL VALUE VALUE YEAR
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TEMPERATURE (F)
MAXIMUM 62.9 9:46 AM 88 2019 71 77.3
MINIMUM 50.8 4:38 AM 43 2014 54 57.7
MEAN 56.9 63 67.5
PRECIPITATION (in)
AMOUNT 0.00 0.57 2011 0.05 0.00
MONTH TO DATE 2.15 2.13
YEAR TO DATE 106.10 41.87
SNOWFALL (in)
AMOUNT 0.0 0.0 2026 0.0 0.0
MONTH TO DATE 0.0 0.0
SEASON TO DATE 0.0 0.0
SNOW DEPTH 0 0
DEGREE DAYS
HEATING (BASE 65F)
VALUE 8 2 0
MONTH TO DATE 51 37
SEASON TO DATE 53 58
COOLING (BASE 65F)
VALUE 0 0 3
MONTH TO DATE 56 41
SEASON TO DATE 841 719
WIND (mph)
HIGHEST WIND SPEED 26 E ( 89) 8:46 AM 17 SW
HIGHEST GUST SPEED 37 E ( 94) 8:45 AM 25 SW
MEAN WIND SPEED 15.1 ENE ( 71) 9.6 SW
BAROMETRIC PRESSURE (in)
MAXIMUM 30.59 11:03 AM 30.05
MINIMUM 30.47 12:21 AM 29.96
MEAN 30.536 30.007
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 6:01 AM 97
LOWEST 61 12:50 PM 68
MEAN 77.2 84.0
SUNSHINE (W/m2)
TOTAL MINUTES 535 508
MAXIMUM INTENSITY 951 10:47 AM 830
MEAN INTENSITY 197.9 132.5
MONTH MINUTES 11951
EVAPOTRANSPIRATION (in)
AMOUNT 0.16 0.11
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
none
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SUN AND MOON FOR September 23, 2026
SUNRISE 5:34 AM SUNSET 5:39 PM
MOONRISE 4:18 PM MOONSET 2:03 AM
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T INDICATES TRACE AMOUNT.
RECORDS BEGIN 04/20/2004.