National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2023-12-18 05:26 UTC
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493
CDUS41 KBOX 180526
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1226 AM EST MON DEC 18 2023
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 17 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 1159 PM 64 2000 42 14 43
MINIMUM 40 1228 AM -4 1876 29 11 35
1919
AVERAGE 48 35 13 39
PRECIPITATION (IN)
YESTERDAY 0.37 2.82 1970 0.14 0.23 0.15
MONTH TO DATE 3.60 2.44 1.16 2.60
SINCE DEC 1 3.60 2.44 1.16 2.60
SINCE JAN 1 47.26 41.73 5.53 30.10
SNOWFALL (IN)
YESTERDAY 0.0 12.7 2020 0.3 -0.3 T
MONTH TO DATE 0.2 4.0 -3.8 1.0
SINCE DEC 1 0.2 4.0 -3.8 1.0
SINCE JUL 1 0.2 4.9 -4.7 1.0
DEGREE DAYS
HEATING
YESTERDAY 17 30 -13 26
MONTH TO DATE 379 468 -89 432
SINCE DEC 1 379 468 -89 432
SINCE JUL 1 1283 1482 -199 1229
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 860 800 60 1033
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 9.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 800 PM
LOWEST 73 400 AM
AVERAGE 87
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 61 1915
1928
1990
MINIMUM TEMPERATURE (F) 29 -6 1919
SUNRISE AND SUNSET
DECEMBER 18 2023......SUNRISE 708 AM EST SUNSET 413 PM EST
DECEMBER 19 2023......SUNRISE 709 AM EST SUNSET 414 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$