Climatological Report (Seasonal)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
250 CXUS51 KBOX 011259 CLSBDL CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 709 AM EST TUE DEC 1 2020 ................................... ...THE HARTFORD CT CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2020 TO 11/30/2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1904 TO 2020 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL ............................................................. TEMPERATURE (F) RECORD HIGH 101 LOW 1 HIGHEST 86 09/08 MM MM 92 LOWEST 18 11/18 MM MM 15 AVG. MAXIMUM 66.0 63.2 2.8 AVG. MINIMUM 44.1 42.3 1.8 MEAN 55.0 52.8 2.2 DAYS MAX >= 90 0 0.8 -0.8 DAYS MAX <= 32 0 0.3 -0.3 DAYS MIN <= 32 17 18.9 -1.9 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 22.14 2005 MINIMUM 3.71 1908 TOTALS 13.48 12.14 1.34 DAILY AVG. 0.15 0.13 0.02 DAYS >= .01 29 30.7 -1.7 DAYS >= .10 20 18.4 1.6 DAYS >= .50 9 8.3 0.7 DAYS >= 1.00 4 3.4 0.6 GREATEST 24 HR. TOTAL 1.88 11/30 TO 11/30 SNOWFALL (INCHES) RECORDS TOTAL 15.6 1938 24 HR TOTAL 12.3 10/29/2011 TO 10/29/2011 SNOW DEPTH 16 11/30/1938 TOTALS 2.0 2.0 0.0 LIQUID EQUIV 0.20 0.20 0.00 SINCE 7/1 2.0 2.0 0.0 LIQUID 7/1 0.20 0.20 0.00 SNOWDEPTH AVG. 0 MM MM DAYS >= TRACE 2 0.9 1.1 DAYS >= 1.0 1 0.5 0.5 GREATEST SNOW DEPTH 1 10/31 24 HR TOTAL 2.0 10/30 TO 10/30 DEGREE_DAYS HEATING TOTAL 990 1195 -205 SINCE 7/1 MM 1207 MM COOLING TOTAL 101 82 19 SINCE 1/1 1075 756 319 FREEZE DATES RECORD EARLIEST 09/20/1979 LATEST 05/20/2002 EARLIEST 10/14 LATEST 04/23 .............................................................. WIND (MPH) AVERAGE WIND SPEED 7.1 RESULTANT WIND SPEED/DIRECTION 2/248 HIGHEST WIND SPEED/DIRECTION 46/310 DATE 10/07 HIGHEST GUST SPEED/DIRECTION 65/320 DATE 10/07 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 18 NUMBER OF DAYS PC 43 NUMBER OF DAYS CLOUDY 30 AVERAGE RH (PERCENT) 69 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$