National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2020-12-19 05:30 UTC
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735
CDUS41 KBOX 190530
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1230 AM EST SAT DEC 19 2020
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 18 2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 30 328 PM 61 1915 40 -10 38
1928
1990
MINIMUM 21 1159 PM -6 1919 27 -6 24
AVERAGE 26 34 -8 31
PRECIPITATION (IN)
YESTERDAY 0.00 1.44 1951 0.12 -0.12 T
MONTH TO DATE 4.05 2.29 1.76 4.42
SINCE DEC 1 4.05 2.29 1.76 4.42
SINCE JAN 1 35.92 42.28 -6.36 48.73
SNOWFALL (IN)
YESTERDAY 0.0 4.0 1904 0.4 -0.4 0.1
MONTH TO DATE 13.4 4.4 9.0 11.5
SINCE DEC 1 13.4 4.4 9.0 11.5
SINCE JUL 1 17.7 5.7 12.0 11.5
DEGREE DAYS
HEATING
YESTERDAY 39 31 8 34
MONTH TO DATE 510 507 3 494
SINCE DEC 1 510 507 3 494
SINCE JUL 1 1397 1562 -165 1416
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 924 747 177 1013
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 10.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1200 AM
LOWEST 49 300 PM
AVERAGE 64
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 64 1899
MINIMUM TEMPERATURE (F) 27 -10 1875
SUNRISE AND SUNSET
DECEMBER 19 2020......SUNRISE 709 AM EST SUNSET 414 PM EST
DECEMBER 20 2020......SUNRISE 710 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.
$$