Climatological Report (Seasonal)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
000 CXUS51 KBOX 011933 RRA CLSBDL BOSCLSBDL 000 TTAA00 BOX 011932 CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 230 PM EST MON MAR 01 2021 ................................... ...THE HARTFORD CT CLIMATE SUMMARY FOR THE SEASON, FROM 12/1/2020 TO 2/28/2021... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1904 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 77 02/21/2018 LOW -26 01/22/1961 HIGHEST 63 12/25 70 LOWEST 1 01/30 4 01/31 12/19 AVG. MAXIMUM 38.0 37.5 0.5 AVG. MINIMUM 22.8 20.7 2.1 MEAN 30.4 29.1 1.3 DAYS MAX >= 90 0 0.0 0.0 DAYS MAX <= 32 25 25.9 -0.9 DAYS MIN <= 32 84 78.2 5.8 DAYS MIN <= 0 0 3.4 -3.4 PRECIPITATION (INCHES) RECORD MAXIMUM 16.71 1978 MINIMUM 4.08 1989 TOTALS 11.08 9.56 1.52 DAILY AVG. 0.12 0.11 0.01 DAYS >= .01 30 31.2 -1.2 DAYS >= .10 18 18.4 -0.4 DAYS >= .50 6 7.0 -1.0 DAYS >= 1.00 4 2.0 2.0 GREATEST 24 HR. TOTAL 2.12 12/25 TO 12/25 SNOWFALL (INCHES) RECORDS MAXIMUM 84.1 2011 MINIMUM 6.0 1937 SNOW DEPTH 45 12/31/1945 TOTALS 39.1 30.7 8.4 LIQUID EQUIV 3.90 SINCE 7/1 41.1 32.7 8.4 SNOWDEPTH AVG. 3 DAYS >= TRACE 35 15.2 19.8 DAYS >= 1.0 9 7.4 1.6 GREATEST SNOW DEPTH 13 02/02 24 HR TOTAL 11.7 02/01 TO 02/01 DEGREE DAYS HEATING TOTAL 3087 3231 -144 SINCE 7/1 4080 4438 -358 COOLING TOTAL 0 0 0 SINCE 1/1 0 0 0 FREEZE DATES RECORD EARLIEST 09/20/1979 LATEST 05/20/2002 EARLIEST 10/18 LATEST 05/10 .............................................................. WIND (MPH) AVERAGE WIND SPEED 8.0 RESULTANT WIND SPEED/DIRECTION 4/310 HIGHEST WIND SPEED/DIRECTION 35/170 DATE 12/25 HIGHEST GUST SPEED/DIRECTION 62/170 DATE 12/25 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.69 NUMBER OF DAYS FAIR 10 NUMBER OF DAYS PC 37 NUMBER OF DAYS CLOUDY 43 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 4 LIGHT RAIN 19 FREEZING RAIN 1 LT FREEZING RAIN 5 HAIL 0 HEAVY SNOW 4 SNOW 7 LIGHT SNOW 30 SLEET 4 FOG 36 FOG W/VIS <= 1/4 MILE 10 HAZE 7 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$