Climatological Report (Seasonal)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
380 CXUS51 KBOX 011002 CLSBOS BOSCLSBOS 000 TTAA00 BOX 011002 CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 458 AM EST MON MAR 01 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM 12/1/2020 TO 2/28/2021... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1872 TO 2021 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 63 12/01 74 LOWEST 7 01/29 12 01/31 AVG. MAXIMUM 38.6 38.6 -0.0 AVG. MINIMUM 26.6 25.1 1.5 MEAN 32.6 31.8 0.8 DAYS MAX >= 90 0 0.0 0.0 DAYS MAX <= 32 21 22.4 -1.4 DAYS MIN <= 32 72 68.8 3.2 DAYS MIN <= 0 0 0.5 -0.5 PRECIPITATION (INCHES) RECORD MAXIMUM 21.99 1958 MINIMUM 3.04 1980 TOTALS 9.74 10.39 -0.65 DAILY AVG. 0.11 0.12 -0.01 DAYS >= .01 32 32.7 -0.7 DAYS >= .10 19 18.9 0.1 DAYS >= .50 6 7.3 -1.3 DAYS >= 1.00 3 2.3 0.7 GREATEST 24 HR. TOTAL 1.72 12/05 TO 12/05 SNOWFALL (INCHES) RECORDS MAXIMUM 99.4 2015 MINIMUM 2.7 1937 TOTALS 34.1 32.8 1.3 LIQUID EQUIV 3.40 SINCE 7/1 38.4 34.1 4.3 DAYS >= TRACE 27 16.6 10.4 DAYS >= 1.0 7 8.0 -1.0 GREATEST 24 HR TOTAL 12.3 12/17 TO 12/17 DEGREE DAYS HEATING TOTAL 2890 2987 -97 SINCE 7/1 3777 4041 -264 COOLING TOTAL 0 0 0 SINCE 1/1 0 0 0 FREEZE DATES RECORD EARLIEST 10/05/1881 LATEST 05/03/1882 EARLIEST 10/30 LATEST 04/18 .............................................................. WIND (MPH) AVERAGE WIND SPEED 11.3 RESULTANT WIND SPEED/DIRECTION 6/300 HIGHEST WIND SPEED/DIRECTION 43/110 DATE 01/16 HIGHEST GUST SPEED/DIRECTION 49/110 DATE 01/16 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.68 NUMBER OF DAYS FAIR 14 NUMBER OF DAYS PC 34 NUMBER OF DAYS CLOUDY 42 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 7 RAIN 9 LIGHT RAIN 27 FREEZING RAIN 0 LT FREEZING RAIN 6 HAIL 2 HEAVY SNOW 1 SNOW 4 LIGHT SNOW 26 SLEET 3 FOG 35 FOG W/VIS <= 1/4 MILE 3 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$