092
CXUS51 KBOX 011415
CLMBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1015 AM EDT THU MAY 01 2025

...................................

...THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             94   04/18/1976
 LOW              11   04/05/1874
HIGHEST           83   04/19                          73
LOWEST            28   04/09                          34
AVG. MAXIMUM    59.3               56.4     2.9
AVG. MINIMUM    42.3               40.8     1.5
MEAN            50.8               48.6     2.2
DAYS MAX >= 90     0                0.1    -0.1
DAYS MAX <= 32     0                0.1    -0.1
DAYS MIN <= 32     3                2.1     0.9
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.57   2004
 MINIMUM        0.83   1999
TOTALS          3.13               3.63   -0.50
DAILY AVG.      0.10               0.12   -0.02
DAYS >= .01       14               11.6     2.4
DAYS >= .10       10                6.7     3.3
DAYS >= .50        1                2.3    -1.3
DAYS >= 1.00       0                0.7    -0.7
GREATEST
 24 HR. TOTAL  55.00   04/26 TO 04/26

SNOWFALL (INCHES)
RECORDS
 TOTAL          22.4   1997
TOTALS             T                1.6    -1.6
 LIQUID EQUIV      T
SINCE 7/1       28.1               49.2   -21.1
DAYS >= TRACE      4                0.8     3.2
DAYS >= 1.0        0                0.3    -0.3
GREATEST
 24 HR TOTAL       T   04/02 TO 04/02
                       04/07 TO 04/07
                       04/12 TO 04/12

DEGREE DAYS
HEATING TOTAL    422                496     -74
 SINCE 7/1      4878               5262    -384
COOLING TOTAL      6                  4       2
 SINCE 1/1         6                  4       2
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              12.6
RESULTANT WIND SPEED/DIRECTION   4/280
HIGHEST WIND SPEED/DIRECTION    37/290    DATE  04/15
HIGHEST GUST SPEED/DIRECTION    52/270    DATE  04/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.66
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       7
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                4     SLEET                      2
FOG                      13     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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