921
CDUS41 KBOX 280529
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
129 AM EDT WED MAY 28 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 27 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 74 248 PM 96 1880 70 4 74
MINIMUM 51 416 AM 39 1915 53 -2 59
AVERAGE 63 62 1 67
PRECIPITATION (IN)
YESTERDAY 0.00 1.48 1961 0.11 -0.11 0.26
MONTH TO DATE 7.01 2.80 4.21 3.19
SINCE MAR 1 14.24 10.60 3.64 15.09
SINCE JAN 1 19.55 17.20 2.35 23.38
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 2 5 -3 0
MONTH TO DATE 187 214 -27 192
SINCE MAR 1 1306 1538 -232 1373
SINCE JUL 1 5065 5476 -411 4858
COOLING
YESTERDAY 0 2 -2 2
MONTH TO DATE 16 21 -5 31
SINCE MAR 1 22 25 -3 31
SINCE JAN 1 22 25 -3 31
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 500 AM
LOWEST 37 200 PM
AVERAGE 63
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 1931
2016
MINIMUM TEMPERATURE (F) 54 43 1902
1917
SUNRISE AND SUNSET
MAY 28 2025...........SUNRISE 512 AM EDT SUNSET 811 PM EDT
MAY 29 2025...........SUNRISE 511 AM EDT SUNSET 812 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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