Climatological Report (Seasonal)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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000 CXUS51 KBOX 081741 CLSBOS BOSCLSBOS 000 TTAA00 BOX 081740 CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 1236 PM EST WED DEC 08 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2021 TO 11/30/2021... 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 102 09/07/1881 LOW -2 11/30/1875 HIGHEST 86 09/15 85 LOWEST 26 11/30 22 AVG. MAXIMUM 64.9 62.3 2.6 AVG. MINIMUM 51.2 47.9 3.3 MEAN 58.1 55.1 3.0 DAYS MAX >= 90 0 0.8 -0.8 DAYS MAX <= 32 0 0.3 -0.3 DAYS MIN <= 32 6 7.0 -1.0 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 19.17 1878 MINIMUM 3.36 1946 TOTALS 13.92 11.25 2.67 DAILY AVG. 0.15 0.12 0.03 DAYS >= .01 29 29.8 -0.8 DAYS >= .10 21 18.4 2.6 DAYS >= .50 10 7.5 2.5 DAYS >= 1.00 4 3.0 1.0 GREATEST 24 HR. TOTAL 2.54 09/02 TO 09/02 SNOWFALL (INCHES) RECORDS MAXIMUM 17.8 1898 MINIMUM 0.0 MULTIPLE YEARS TOTALS T 0.9 -0.9 LIQUID EQUIV T SINCE 7/1 T 0.9 -0.9 DAYS >= TRACE 1 0.8 0.2 DAYS >= 1.0 0 0.3 -0.3 GREATEST 24 HR TOTAL T 11/26 TO 11/26 DEGREE DAYS HEATING TOTAL 779 1005 -226 SINCE 7/1 788 1014 -226 COOLING TOTAL 170 100 70 SINCE 1/1 1146 800 346 FREEZE DATES RECORD EARLIEST 10/05/1881 LATEST 05/03/1882 EARLIEST 11/23 LATEST 04/03 .............................................................. WIND (MPH) AVERAGE WIND SPEED 10.3 RESULTANT WIND SPEED/DIRECTION 3/280 HIGHEST WIND SPEED/DIRECTION 47/020 DATE 10/27 HIGHEST GUST SPEED/DIRECTION 59/030 DATE 10/27 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.58 NUMBER OF DAYS FAIR 20 NUMBER OF DAYS PC 42 NUMBER OF DAYS CLOUDY 29 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 MIXED PRECIP 0 HEAVY RAIN 19 RAIN 18 LIGHT RAIN 42 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 2 SLEET 0 FOG 30 FOG W/VIS <= 1/4 MILE 2 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$