Climatological Report (Monthly) Issued by NWS Boston, MA
000
CXUS51 KBOX 010702
CLMBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
202 AM EST MON JAN 01 2024
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...THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 76 12/07/1998
LOW -17 12/29/1933
HIGHEST 64 12/11 63
LOWEST 21 12/07 11
12/22
AVG. MAXIMUM 47.1 42.2 4.9
AVG. MINIMUM 34.5 29.2 5.3
MEAN 40.8 35.7 5.1
DAYS MAX >= 90 0 0.0 0.0
DAYS MAX <= 32 0 4.2 -4.2
DAYS MIN <= 32 11 19.8 -8.8
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.74 1969
MINIMUM 0.66 1935
TOTALS 5.98 4.30 1.68
DAILY AVG. 0.19 0.14 0.05
DAYS >= .01 12 11.9 0.1
DAYS >= .10 7 7.2 -0.2
DAYS >= .50 5 3.1 1.9
DAYS >= 1.00 2 1.0 1.0
GREATEST
24 HR. TOTAL 2.27 12/10 TO 12/11
SNOWFALL (INCHES)
RECORDS
TOTAL 27.9 1970
TOTALS 0.2 9.0 -8.8
LIQUID EQUIV 0.00
SINCE 7/1 0.2 9.9 -9.7
DAYS >= TRACE 1 4.2 -3.2
DAYS >= 1.0 0 1.9 -1.9
GREATEST
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 743 908 -165
SINCE 7/1 1647 1923 -276
COOLING TOTAL 0 0 0
SINCE 1/1 860 800 60
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WIND (MPH)
AVERAGE WIND SPEED 9.7
RESULTANT WIND SPEED/DIRECTION 3/280
HIGHEST WIND SPEED/DIRECTION 53/160 DATE 12/18
HIGHEST GUST SPEED/DIRECTION 68/160 DATE 12/18
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.66
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 16
AVERAGE RH (PERCENT) 75
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 6
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 16 FOG W/VIS <= 1/4 MILE 5
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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