Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CDUS41 KBOX 090526
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 AM EDT FRI MAY 09 2025
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR MAY 8 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 70 1125 AM 87 1895 64 6 59
1964
MINIMUM 54 1128 PM 34 1956 48 6 50
AVERAGE 62 56 6 55
PRECIPITATION (IN)
YESTERDAY T 1.42 1886 0.09 -0.09 0.69
MONTH TO DATE 1.47 0.85 0.62 1.33
SINCE MAR 1 8.70 8.65 0.05 13.23
SINCE JAN 1 14.01 15.25 -1.24 21.52
SNOWFALL (IN)
YESTERDAY 0.0 0.9 1938 0.0 0.0 0.0
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 3 9 -6 10
MONTH TO DATE 43 82 -39 85
SINCE MAR 1 1162 1406 -244 1266
SINCE JUL 1 4921 5344 -423 4751
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 6 0 6 0
SINCE MAR 1 12 4 8 0
SINCE JAN 1 12 4 8 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 8.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1100 PM
LOWEST 61 900 AM
AVERAGE 79
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 95 1979
MINIMUM TEMPERATURE (F) 48 35 1977
SUNRISE AND SUNSET
MAY 9 2025...........SUNRISE 529 AM EDT SUNSET 753 PM EDT
MAY 10 2025...........SUNRISE 528 AM EDT SUNSET 754 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$