144
CXUS51 KBOX 022049
CLMBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
449 PM EDT SAT MAY 02 2026

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2026

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           78   04/14                          83
LOWEST            29   04/08                          28
AVG. MAXIMUM    56.4               56.4     0.0
AVG. MINIMUM    40.5               40.8    -0.3
MEAN            48.5               48.6    -0.1
DAYS MAX >= 90     0                0.1    -0.1
DAYS MAX <= 32     0                0.1    -0.1
DAYS MIN <= 32     2                2.1    -0.1
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.57   2004
 MINIMUM        0.83   1999
TOTALS          1.47               3.63   -2.16
DAILY AVG.      0.05               0.12   -0.07
DAYS >= .01       13               11.6     1.4
DAYS >= .10        6                6.7    -0.7
DAYS >= .50        0                2.3    -2.3
DAYS >= 1.00       0                0.7    -0.7
GREATEST
 24 HR. TOTAL   0.29   04/16 TO 04/16

SNOWFALL (INCHES)
RECORDS
 TOTAL          22.4   1997
TOTALS             T                1.6    -1.6
 LIQUID EQUIV      T
SINCE 7/1       62.8               49.2    13.6
DAYS >= TRACE      1                0.8     0.2
DAYS >= 1.0        0                0.3    -0.3
GREATEST
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    491                496      -5
 SINCE 7/1      5342               5262      80
COOLING TOTAL      3                  4      -1
 SINCE 1/1         3                  4      -1
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
RESULTANT WIND SPEED/DIRECTION   1/130
HIGHEST WIND SPEED/DIRECTION    30/220    DATE  04/13
HIGHEST GUST SPEED/DIRECTION    42/350    DATE  04/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.63
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      3
HAZE                      2

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

$$