National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-11-21 05:29 UTC
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946
CDUS41 KBOX 210529
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1229 AM EST SUN NOV 21 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR NOVEMBER 20 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 44 251 PM 74 1953 50 -6 64
MINIMUM 33 700 AM 15 1894 37 -4 45
AVERAGE 39 43 -4 55
PRECIPITATION (IN)
YESTERDAY 0.00 3.85 1876 0.12 -0.12 0.00
MONTH TO DATE 1.08 2.37 -1.29 1.24
SINCE SEP 1 13.66 9.96 3.70 7.19
SINCE JAN 1 49.62 38.00 11.62 28.91
SNOWFALL (IN)
YESTERDAY 0.0 3.0 1897 0.0 0.0 0.0
MONTH TO DATE 0.0 0.2 -0.2 T
SINCE SEP 1 0.0 0.4 -0.4 4.3
SINCE JUL 1 0.0 0.4 -0.4 4.3
DEGREE DAYS
HEATING
YESTERDAY 26 22 4 10
MONTH TO DATE 340 373 -33 308
SINCE SEP 1 516 770 -254 693
SINCE JUL 1 525 779 -254 695
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 170 100 70 97
SINCE JAN 1 1146 800 346 924
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 1100 PM
LOWEST 41 200 PM
AVERAGE 50
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 50 74 1931
MINIMUM TEMPERATURE (F) 36 10 1879
SUNRISE AND SUNSET
NOVEMBER 21 2021......SUNRISE 643 AM EST SUNSET 417 PM EST
NOVEMBER 22 2021......SUNRISE 644 AM EST SUNSET 417 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$