774
CDUS41 KBOX 150751
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
351 AM EDT THU MAY 15 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 14 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 62 242 PM 86 1879 66 -4 77
2022
MINIMUM 50 435 AM 37 1895 50 0 51
AVERAGE 56 58 -2 64
PRECIPITATION (IN)
YESTERDAY 0.00 3.77 2006 0.10 -0.10 0.00
MONTH TO DATE 3.00 1.44 1.56 1.33
SINCE MAR 1 10.23 9.24 0.99 13.23
SINCE JAN 1 15.54 15.84 -0.30 21.52
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 MAR 1 T 10.6 -10.6 0.1
SINCE JUL 1 28.1 49.2 -21.1 9.8
DEGREE DAYS
HEATING
YESTERDAY 9 8 1 1
MONTH TO DATE 88 132 -44 148
SINCE MAR 1 1207 1456 -249 1329
SINCE JUL 1 4966 5394 -428 4814
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 6 6 0 0
SINCE MAR 1 12 10 2 0
SINCE JAN 1 12 10 2 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1100 PM
LOWEST 69 1100 AM
AVERAGE 81
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 93 1900
MINIMUM TEMPERATURE (F) 50 36 1947
SUNRISE AND SUNSET
MAY 15 2025...........SUNRISE 522 AM EDT SUNSET 759 PM EDT
MAY 16 2025...........SUNRISE 521 AM EDT SUNSET 800 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page