Climatological Report (Annual)
Issued by NWS Boston, MA

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155
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CLABOS

BOSCLABOS 000
TTAA00 BOX 010614

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
113 AM EST WED JAN 01 2025

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE YEAR OF 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            104   07/04/1911
 LOW             -18   02/09/1934
HIGHEST           98   06/19
LOWEST            10   12/23
AVG. MAXIMUM    60.9               59.3     1.6
AVG. MINIMUM    46.5               44.5     2.0
MEAN            53.7               51.9     1.8
DAYS MAX >= 90    12               14.1    -2.1
DAYS MAX <= 32     9               23.1   -14.1
DAYS MIN <= 32    75               91.6   -16.6
DAYS MIN <= 0      0                0.6    -0.6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       65.53   1878
 MINIMUM       23.71   1965
TOTALS         45.39              43.59    1.80
DAILY AVG.      0.12               0.12    0.00
DAYS >= .01      127              128.4    -1.4
DAYS >= .10       75               77.0    -2.0
DAYS >= .50       33               29.0     4.0
DAYS >= 1.00       9               10.2    -1.2
GREATEST
 24 HR. TOTAL   2.78   12/11 TO 12/12

SNOWFALL (INCHES)
RECORDS
 TOTAL         108.6   2015
TOTALS          15.3               49.2   -33.9
SINCE 7/1        5.7                9.9    -4.2
DAYS >= TRACE     26               23.0     3.0
DAYS >= 1.0        3               11.1    -8.1
GREATEST
 24 HR TOTAL     3.8   01/07 TO 01/07

DEGREE DAYS
HEATING TOTAL   4921               5545    -624
 SINCE 7/1      1694               1923    -229
COOLING TOTAL    891                802      89
 SINCE 1/1       891                800      91
................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
RESULTANT WIND SPEED/DIRECTION   2/270
HIGHEST WIND SPEED/DIRECTION    43/060    DATE  04/04
HIGHEST GUST SPEED/DIRECTION    59/300    DATE  02/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           82
NUMBER OF DAYS PC            158
NUMBER OF DAYS CLOUDY        126

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             22     MIXED PRECIP               2
HEAVY RAIN               41     RAIN                      71
LIGHT RAIN              143     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW               27     SLEET                      5
FOG                     140     FOG W/VIS <= 1/4 MILE     15
HAZE                     17

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

$$