National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-09-21 05:31 UTC
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748
CDUS41 KBOX 210531
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
131 AM EDT TUE SEP 21 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 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 72 138 PM 97 1983 72 0 60
MINIMUM 57 549 AM 42 1929 57 0 44
1964
1979
AVERAGE 65 64 1 52
PRECIPITATION (IN)
YESTERDAY 0.00 2.82 1899 0.13 -0.13 0.00
MONTH TO DATE 6.14 2.28 3.86 0.46
SINCE SEP 1 6.14 2.28 3.86 0.46
SINCE JAN 1 42.10 30.32 11.78 22.18
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0
2001
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 T
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 13
MONTH TO DATE 0 28 -28 49
SINCE SEP 1 0 28 -28 49
SINCE JUL 1 9 37 -28 51
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 117 76 41 65
SINCE SEP 1 117 76 41 65
SINCE JAN 1 1093 776 317 892
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 500 AM
LOWEST 53 200 PM
AVERAGE 69
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 94 1895
MINIMUM TEMPERATURE (F) 56 40 1904
1929
SUNRISE AND SUNSET
SEPTEMBER 21 2021.....SUNRISE 631 AM EDT SUNSET 643 PM EDT
SEPTEMBER 22 2021.....SUNRISE 632 AM EDT SUNSET 641 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$