Climatological Report (Seasonal)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
000 CXUS51 KBOX 010702 CLSBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 258 AM EDT TUE JUN 01 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM 3/1/2021 TO 5/31/2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 97 05/26/1880 LOW -8 03/06/1872 HIGHEST 92 05/26 83 LOWEST 13 03/02 19 AVG. MAXIMUM 60.0 56.1 3.9 AVG. MINIMUM 42.8 40.7 2.1 MEAN 51.4 48.4 3.0 DAYS MAX >= 90 2 0.7 1.3 DAYS MAX <= 32 2 2.2 -0.2 DAYS MIN <= 32 17 18.2 -1.2 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 22.10 1953 MINIMUM 3.50 1915 TOTALS 11.25 11.05 0.20 DAILY AVG. 0.12 0.12 -0.00 DAYS >= .01 29 35.0 -6.0 DAYS >= .10 21 20.4 0.6 DAYS >= .50 10 6.8 3.2 DAYS >= 1.00 3 2.3 0.7 GREATEST 24 HR. TOTAL 1.60 04/16 TO 04/16 SNOWFALL (INCHES) RECORDS MAXIMUM 41.1 1993 MINIMUM T MULTI-YEARS TOTALS 0.2 10.6 -10.4 LIQUID EQUIV 0.00 SINCE 7/1 38.6 49.2 -10.6 DAYS >= TRACE 4 5.2 -1.2 DAYS >= 1.0 0 2.5 -2.5 GREATEST 24 HR TOTAL 0.1 03/14 TO 03/14 04/16 TO 04/16 DEGREE DAYS HEATING TOTAL 1291 1558 -267 SINCE 7/1 5068 5494 -426 COOLING TOTAL 64 34 30 SINCE 1/1 64 33 31 FREEZE DATES RECORD EARLIEST 10/05/1881 LATEST 05/03/1882 EARLIEST 10/30 LATEST 04/18 .............................................................. WIND (MPH) AVERAGE WIND SPEED 11.8 RESULTANT WIND SPEED/DIRECTION 4/290 HIGHEST WIND SPEED/DIRECTION 44/270 DATE 03/01 HIGHEST GUST SPEED/DIRECTION 53/280 DATE 03/01 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.59 NUMBER OF DAYS FAIR 21 NUMBER OF DAYS PC 39 NUMBER OF DAYS CLOUDY 32 AVERAGE RH (PERCENT) 55 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 9 RAIN 15 LIGHT RAIN 38 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 3 SLEET 2 FOG 26 FOG W/VIS <= 1/4 MILE 1 HAZE 5 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ BL