CXUS51 KBOX 010755 CLSBOS BOSCLSBOS 000 TTAA00 BOX 010752 CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 250 AM EST SUN MAR 01 2026 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM 12/1/2025 TO 2/28/2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2026 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 76 12/07/1998 LOW -18 02/09/1934 HIGHEST 59 12/19 62 LOWEST 4 02/08 9 AVG. MAXIMUM 35.9 39.4 -3.5 AVG. MINIMUM 22.6 25.6 -3.0 MEAN 29.3 32.5 -3.2 DAYS MAX >= 90 0 0.0 0.0 DAYS MAX <= 32 26 20.6 5.4 DAYS MIN <= 32 83 66.3 16.7 DAYS MIN <= 0 0 0.6 -0.6 PRECIPITATION (INCHES) RECORD MAXIMUM 21.99 1958 MINIMUM 3.04 1980 TOTALS 5.68 10.90 -5.22 DAILY AVG. 0.06 0.12 -0.06 DAYS >= .01 35 34.3 0.7 DAYS >= .10 12 20.0 -8.0 DAYS >= .50 3 7.9 -4.9 DAYS >= 1.00 0 2.4 -2.4 GREATEST 24 HR. TOTAL 0.92 SNOWFALL (INCHES) RECORDS TOTAL 99.4 2015 TOTALS 60.9 37.7 23.2 LIQUID EQUIV 6.10 SINCE 7/1 60.9 38.6 22.3 DAYS >= TRACE 23 17.0 6.0 DAYS >= 1.0 6 8.3 -2.3 GREATEST 24 HR TOTAL 17.1 02/23 TO 02/23 DEGREE DAYS HEATING TOTAL 3190 2924 266 SINCE 7/1 4127 3938 189 COOLING TOTAL 0 0 0 SINCE 1/1 0 0 0 FREEZE DATES RECORD EARLIEST 10/05/1881 LATEST 05/03/1882 EARLIEST 11/20 LATEST 04/09 .............................................................. WIND (MPH) AVERAGE WIND SPEED 11.8 RESULTANT WIND SPEED/DIRECTION 7/280 HIGHEST WIND SPEED/DIRECTION 46/030 DATE 12/19 HIGHEST GUST SPEED/DIRECTION 68/360 DATE 02/23 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.61 NUMBER OF DAYS FAIR 17 NUMBER OF DAYS PC 44 NUMBER OF DAYS CLOUDY 29 AVERAGE RH (PERCENT) 62 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 1 HEAVY RAIN 1 RAIN 6 LIGHT RAIN 19 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 1 HEAVY SNOW 3 SNOW 6 LIGHT SNOW 37 SLEET 3 FOG 34 FOG W/VIS <= 1/4 MILE 4 HAZE 5 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$