Climatological Report (Annual)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
000 CXUS51 KBOX 081941 CLABOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 238 PM EST WED JAN 8 2020 ................................... ...THE BOSTON CLIMATE SUMMARY FOR THE YEAR OF 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1872 TO 2020 WEATHER OBSERVED NORMAL DEPART VALUE DATE(S) VALUE FROM NORMAL ................................................ TEMPERATURE (F) RECORD HIGH 104 07/04/1911 LOW -18 02/09/1934 HIGHEST 98 07/21 LOWEST 5 01/31 01/21 AVG. MAXIMUM 60.7 58.8 1.9 AVG. MINIMUM 45.9 44.1 1.8 MEAN 53.3 51.5 1.8 DAYS MAX >= 90 15 10.3 4.7 DAYS MAX <= 32 18 24.6 -6.6 DAYS MIN <= 32 93 91.9 1.1 DAYS MIN <= 0 0 0.5 -0.5 PRECIPITATION (INCHES) RECORD MAXIMUM 65.53 1878 MINIMUM 23.71 1965 TOTALS 50.38 43.77 6.61 DAILY AVG. 0.14 0.12 0.02 DAYS >= .01 155 126.0 29.0 DAYS >= .10 99 76.2 22.8 DAYS >= .50 32 28.4 3.6 DAYS >= 1.00 14 10.1 3.9 GREATEST 24 HR. TOTAL 2.43 MM SNOWFALL (INCHES) RECORDS TOTAL 89.2 1978 SNOW DEPTH 31 01/11/1996 TOTALS 38.7 43.8 -5.1 SINCE 7/1 11.5 10.3 1.2 SNOWDEPTH AVG. MM DAYS >= 1.0 13 10.9 2.1 GREATEST SNOW DEPTH MM 24 HR TOTAL 9.9 MM DEGREE_DAYS HEATING TOTAL 5152 5681 -529 SINCE 7/1 1775 1994 -219 COOLING TOTAL 1013 747 266 SINCE 1/1 1013 747 266 ................................................. WIND (MPH) AVERAGE WIND SPEED 11.2 RESULTANT WIND SPEED/DIRECTION 3/273 HIGHEST WIND SPEED/DIRECTION 55/090 DATE 10/17 HIGHEST GUST SPEED/DIRECTION 73/210 DATE 07/31 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 65 NUMBER OF DAYS PC 170 NUMBER OF DAYS CLOUDY 130 AVERAGE RH (PERCENT) 61 WEATHER CONDITIONS. NUMBER OF DAYS WITH 0 84 1 2 13 7 21 HAZE 48 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$