National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2025-08-20 06:18 UTC
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946
CDUS41 KBOX 200618
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
218 AM EDT WED AUG 20 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 19 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 347 PM 95 2019 80 -9 75
MINIMUM 59 412 AM 51 1882 65 -6 65
AVERAGE 65 73 -8 70
PRECIPITATION (IN)
YESTERDAY 0.00 7.06 1955 0.10 -0.10 0.11
MONTH TO DATE 0.52 2.05 -1.53 3.69
SINCE JUN 1 4.85 9.21 -4.36 9.12
SINCE JAN 1 24.64 26.86 -2.22 34.13
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 1
SINCE JUN 1 45 54 -9 8
SINCE JUL 1 1 4 -3 1
COOLING
YESTERDAY 0 8 -8 5
MONTH TO DATE 136 163 -27 169
SINCE JUN 1 677 585 92 707
SINCE JAN 1 706 618 88 753
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 900 PM
LOWEST 42 300 PM
AVERAGE 57
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 98 1937
MINIMUM TEMPERATURE (F) 65 52 1882
1896
1905
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 557 AM EDT SUNSET 737 PM EDT
AUGUST 21 2025........SUNRISE 558 AM EDT SUNSET 736 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$