


Climatological Report (Monthly)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
091 CXUS51 KBOX 011415 CLMBDL CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 1015 AM EDT THU MAY 01 2025 ................................... ...THE HARTFORD CT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1904 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 96 04/19/1976 LOW 9 04/01/1970 HIGHEST 89 04/19 79 LOWEST 27 04/09 31 04/10 AVG. MAXIMUM 62.2 60.5 1.7 AVG. MINIMUM 40.3 38.4 1.9 MEAN 51.3 49.5 1.8 DAYS MAX >= 90 0 0.3 -0.3 DAYS MAX <= 32 0 0.0 0.0 DAYS MIN <= 32 6 7.2 -1.2 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.90 1983 MINIMUM 0.65 1942 TOTALS 3.55 3.88 -0.33 DAILY AVG. 0.12 0.13 -0.01 DAYS >= .01 13 11.5 1.5 DAYS >= .10 9 7.1 1.9 DAYS >= .50 1 2.5 -1.5 DAYS >= 1.00 1 1.0 0.0 GREATEST 24 HR. TOTAL 1.34 04/26 TO 04/26 SNOWFALL (INCHES) RECORDS TOTAL 14.3 1982 SNOW DEPTH 14 04/07/1982 TOTALS 1.7 1.1 0.6 LIQUID EQUIV 0.20 SINCE 7/1 23.4 51.7 -28.3 SNOWDEPTH AVG. 0 DAYS >= TRACE 4 0.7 3.3 DAYS >= 1.0 1 0.5 0.5 GREATEST SNOW DEPTH 2 04/12 24 HR TOTAL 1.5 04/12 TO 04/12 DEGREE DAYS HEATING TOTAL 415 473 -58 SINCE 7/1 4910 5655 -745 COOLING TOTAL 10 7 3 SINCE 1/1 10 7 3 .............................................................. WIND (MPH) AVERAGE WIND SPEED 10.0 RESULTANT WIND SPEED/DIRECTION 3/290 HIGHEST WIND SPEED/DIRECTION 40/290 DATE 04/15 HIGHEST GUST SPEED/DIRECTION 52/310 DATE 04/15 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.72 NUMBER OF DAYS FAIR 3 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 18 AVERAGE RH (PERCENT) 58 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 4 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 4 SLEET 1 FOG 14 FOG W/VIS <= 1/4 MILE 0 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$