National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2021-09-18 05:30 UTC
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612
CDUS41 KBOX 180530
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
130 AM EDT SAT SEP 18 2021
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 17 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 70 209 PM 91 1915 73 -3 78
MINIMUM 65 817 PM 44 2013 58 7 58
AVERAGE 68 65 3 68
PRECIPITATION (IN)
YESTERDAY T 2.77 1995 0.13 -0.13 0.00
MONTH TO DATE 5.80 1.90 3.90 0.46
SINCE SEP 1 5.80 1.90 3.90 0.46
SINCE JAN 1 41.76 29.94 11.82 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 2 -2 0
MONTH TO DATE 0 20 -20 18
SINCE SEP 1 0 20 -20 18
SINCE JUL 1 9 29 -20 20
COOLING
YESTERDAY 3 3 0 3
MONTH TO DATE 110 70 40 65
SINCE SEP 1 110 70 40 65
SINCE JAN 1 1086 770 316 892
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 8.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 600 PM
LOWEST 78 1200 PM
AVERAGE 84
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 1891
1906
1955
MINIMUM TEMPERATURE (F) 58 43 1875
SUNRISE AND SUNSET
SEPTEMBER 18 2021.....SUNRISE 627 AM EDT SUNSET 648 PM EDT
SEPTEMBER 19 2021.....SUNRISE 629 AM EDT SUNSET 646 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$