Climatological Report (Seasonal)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
278 CXUS51 KBOX 010703 CLSBDL CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 258 AM EDT TUE JUN 01 2021 ................................... ...THE HARTFORD CT CLIMATE SUMMARY FOR THE SEASON, FROM 3/1/2021 TO 5/31/2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1904 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 99 05/26/2010 05/20/1996 LOW -6 03/07/2003 03/19/1967 HIGHEST 90 05/22 83 05/26 LOWEST 13 03/02 18 AVG. MAXIMUM 62.5 59.8 2.7 AVG. MINIMUM 38.7 38.4 0.3 MEAN 50.6 49.1 1.5 DAYS MAX >= 90 2 1.7 0.3 DAYS MAX <= 32 1 2.1 -1.1 DAYS MIN <= 32 25 28.9 -3.9 DAYS MIN <= 0 0 0.1 -0.1 PRECIPITATION (INCHES) RECORD MAXIMUM 21.58 1983 MINIMUM 4.40 1915 TOTALS 11.09 11.48 -0.39 DAILY AVG. 0.12 0.12 -0.00 DAYS >= .01 29 35.0 -6.0 DAYS >= .10 20 21.5 -1.5 DAYS >= .50 9 7.7 1.3 DAYS >= 1.00 2 2.7 -0.7 GREATEST 24 HR. TOTAL 1.45 04/15 TO 04/15 SNOWFALL (INCHES) RECORDS MAXIMUM 34.6 1967 MINIMUM T MULTI-YEARS SNOW DEPTH 27 03/27/1916 TOTALS 0.1 10.5 -10.4 LIQUID EQUIV 0.00 SINCE 7/1 41.2 51.7 -10.5 SNOWDEPTH AVG. 0 DAYS >= TRACE 10 4.5 5.5 DAYS >= 1.0 0 2.9 -2.9 GREATEST SNOW DEPTH 1 03/01 24 HR TOTAL 0.1 03/17 TO 03/17 DEGREE DAYS HEATING TOTAL 1337 1512 -175 SINCE 7/1 5417 5849 -432 COOLING TOTAL 37 47 -10 SINCE 1/1 37 47 -10 FREEZE DATES RECORD EARLIEST 09/20/1979 LATEST 05/20/2002 EARLIEST 10/18 LATEST 05/10 .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.1 RESULTANT WIND SPEED/DIRECTION 4/300 HIGHEST WIND SPEED/DIRECTION 44/300 DATE 03/02 HIGHEST GUST SPEED/DIRECTION 57/290 DATE 03/02 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.59 NUMBER OF DAYS FAIR 23 NUMBER OF DAYS PC 38 NUMBER OF DAYS CLOUDY 31 AVERAGE RH (PERCENT) 56 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 4 MIXED PRECIP 0 HEAVY RAIN 6 RAIN 18 LIGHT RAIN 34 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 2 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 9 SLEET 0 FOG 29 FOG W/VIS <= 1/4 MILE 4 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ BL