Climatological Report (Annual)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
000 CXUS51 KBOX 011749 CLABOS BOSCLABOS 000 TTAA00 BOX 011748 CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 1241 PM EST SAT JAN 01 2022 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR THE YEAR OF 2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2021 WEATHER OBSERVED NORMAL DEPART VALUE DATE(S) VALUE FROM NORMAL ................................................ TEMPERATURE (F) RECORD HIGH 104 07/04/1911 LOW -18 02/09/1934 HIGHEST 100 06/30 LOWEST 7 01/29 01/31 AVG. MAXIMUM 61.7 59.3 2.4 AVG. MINIMUM 47.2 44.5 2.7 MEAN 54.4 51.9 2.5 DAYS MAX >= 90 24 14.1 9.9 DAYS MAX <= 32 19 23.1 -4.1 DAYS MIN <= 32 87 91.6 -4.6 DAYS MIN <= 0 0 0.6 -0.6 PRECIPITATION (INCHES) RECORD MAXIMUM 65.53 1878 MINIMUM 23.71 1965 TOTALS 52.33 43.59 8.74 DAILY AVG. 0.14 0.12 0.02 DAYS >= .01 134 128.4 5.6 DAYS >= .10 87 77.0 10.0 DAYS >= .50 38 29.0 9.0 DAYS >= 1.00 17 10.2 6.8 GREATEST 24 HR. TOTAL 4.23 09/01 TO 09/02 SNOWFALL (INCHES) RECORDS MAXIMUM 108.6 2015 MINIMUM 6.4 1973 TOTALS 21.7 49.2 -27.5 SINCE 7/1 0.4 9.9 -9.5 DAYS >= TRACE 31 23.0 8.0 DAYS >= 1.0 6 11.1 -5.1 GREATEST 24 HR TOTAL 5.3 02/07 TO 02/07 DEGREE DAYS HEATING TOTAL 4870 5545 -675 SINCE 7/1 1580 1923 -343 COOLING TOTAL 1146 802 344 SINCE 1/1 1146 800 346 ................................................ WIND (MPH) AVERAGE WIND SPEED 10.6 RESULTANT WIND SPEED/DIRECTION 3/280 HIGHEST WIND SPEED/DIRECTION 47/020 DATE 10/27 HIGHEST GUST SPEED/DIRECTION 61/300 DATE 07/27 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.64 NUMBER OF DAYS FAIR 63 NUMBER OF DAYS PC 155 NUMBER OF DAYS CLOUDY 146 AVERAGE RH (PERCENT) 64 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 29 MIXED PRECIP 0 HEAVY RAIN 53 RAIN 67 LIGHT RAIN 163 FREEZING RAIN 0 LT FREEZING RAIN 7 HAIL 2 HEAVY SNOW 0 SNOW 4 LIGHT SNOW 32 SLEET 6 FOG 136 FOG W/VIS <= 1/4 MILE 13 HAZE 34 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$