Climatological Report (Monthly)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
000 CXUS51 KBOX 011219 CLMBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 819 AM EDT MON MAY 01 2023 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 94 04/18/1976 LOW 11 04/05/1874 HIGHEST 88 04/13 73 LOWEST 31 04/03 35 AVG. MAXIMUM 58.0 56.4 1.6 AVG. MINIMUM 43.6 40.8 2.8 MEAN 50.8 48.6 2.2 DAYS MAX >= 90 0 0.1 -0.1 DAYS MAX <= 32 0 0.1 -0.1 DAYS MIN <= 32 1 2.1 -1.1 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.57 2004 MINIMUM 0.83 1999 TOTALS 3.10 3.63 -0.53 DAILY AVG. 0.10 0.12 -0.02 DAYS >= .01 8 11.6 -3.6 DAYS >= .10 4 6.7 -2.7 DAYS >= .50 2 2.3 -0.3 DAYS >= 1.00 1 0.7 0.3 GREATEST 24 HR. TOTAL 1.81 04/30 TO 04/30 SNOWFALL (INCHES) RECORDS TOTAL 22.4 1997 TOTALS 0.0 1.6 -1.6 LIQUID EQUIV 0.00 SINCE 7/1 12.4 49.2 -36.8 DAYS >= TRACE 0 0.8 -0.8 DAYS >= 1.0 0 0.3 -0.3 GREATEST 24 HR TOTAL MM DEGREE DAYS HEATING TOTAL 424 496 -72 SINCE 7/1 4484 5262 -778 COOLING TOTAL 5 4 1 SINCE 1/1 5 4 1 .............................................................. WIND (MPH) AVERAGE WIND SPEED 11.1 RESULTANT WIND SPEED/DIRECTION 2/060 HIGHEST WIND SPEED/DIRECTION 32/110 DATE 04/30 HIGHEST GUST SPEED/DIRECTION 43/110 DATE 04/30 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.69 NUMBER OF DAYS FAIR 3 NUMBER OF DAYS PC 11 NUMBER OF DAYS CLOUDY 16 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 3 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 11 FOG W/VIS <= 1/4 MILE 3 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$