Climatological Report (Seasonal)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
238 CXUS51 KBOX 080557 RRB CLSBDL CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 1251 AM EST TUE DEC 08 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 09/02/1953 LOW 1 11/24/1989 HIGHEST 86 09/08 92 LOWEST 18 11/18 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 SNOW DEPTH 16 11/30/1938 TOTALS 2.0 2.0 0.0 LIQUID EQUIV 0.20 SINCE 7/1 2.0 2.0 0.0 SNOWDEPTH AVG. 0 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 7/1 993 1207 -214 COOLING TOTAL 101 82 19 SINCE 1/1 1075 756 319 FREEZE DATES RECORD EARLIEST 09/20/1979 LATEST 05/20/2002 EARLIEST 10/18 LATEST 05/10 .............................................................. WIND (MPH) AVERAGE WIND SPEED 7.1 RESULTANT WIND SPEED/DIRECTION 2/250 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 0.59 NUMBER OF DAYS FAIR 18 NUMBER OF DAYS PC 43 NUMBER OF DAYS CLOUDY 30 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 8 RAIN 16 LIGHT RAIN 35 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 1 SLEET 0 FOG 49 FOG W/VIS <= 1/4 MILE 7 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$