National Weather Service Text Product
AFOS product CLIBOS
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIBOS
Product Timestamp: 2025-05-10 05:26 UTC
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474
CDUS41 KBOX 100526
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 AM EDT SAT MAY 10 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 9 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 56 1213 AM 95 1979 65 -9 64
MINIMUM 48 1159 PM 35 1977 48 0 49
AVERAGE 52 56 -4 57
PRECIPITATION (IN)
YESTERDAY 1.09 2.50 1954 0.10 0.99 0.00
MONTH TO DATE 2.56 0.95 1.61 1.33
SINCE MAR 1 9.79 8.75 1.04 13.23
SINCE JAN 1 15.10 15.35 -0.25 21.52
SNOWFALL (IN)
YESTERDAY 0.0 T 1977 0.0 0.0 0.0
2020
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 T 10.6 -10.6 0.1
SINCE JUL 1 28.1 49.2 -21.1 9.8
DEGREE DAYS
HEATING
YESTERDAY 13 9 4 8
MONTH TO DATE 56 91 -35 93
SINCE MAR 1 1175 1415 -240 1274
SINCE JUL 1 4934 5353 -419 4759
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 6 1 5 0
SINCE MAR 1 12 5 7 0
SINCE JAN 1 12 5 7 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 14.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 PM
LOWEST 92 500 AM
AVERAGE 96
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 94 1896
1979
MINIMUM TEMPERATURE (F) 49 34 1900
1902
2020
SUNRISE AND SUNSET
MAY 10 2025...........SUNRISE 528 AM EDT SUNSET 754 PM EDT
MAY 11 2025...........SUNRISE 527 AM EDT SUNSET 755 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$