665
CXUS51 KBOX 010927
CLSBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
421 AM EST FRI DEC 01 2023

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2023 TO 11/30/2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            102   09/07/1881
 LOW              -2   11/30/1875
HIGHEST           93   09/07                          84
LOWEST            27   11/21                          25
                       11/25
AVG. MAXIMUM    63.4               62.3     1.1
AVG. MINIMUM    49.8               47.9     1.9
MEAN            56.6               55.1     1.5
DAYS MAX >= 90     1                0.8     0.2
DAYS MAX <= 32     0                0.3    -0.3
DAYS MIN <= 32    10                7.0     3.0
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       19.17   1878
 MINIMUM        3.36   1946
TOTALS          7.10              11.25   -4.15
DAILY AVG.      0.08               0.12   -0.04
DAYS >= .01       25               29.8    -4.8
DAYS >= .10       17               18.4    -1.4
DAYS >= .50        4                7.5    -3.5
DAYS >= 1.00       2                3.0    -1.0
GREATEST
 24 HR. TOTAL   1.52   09/18 TO 09/18

SNOWFALL (INCHES)
RECORDS
 MAXIMUM        17.8   1898
 MINIMUM         0.0   MULTI-YEARS
TOTALS             T                0.9    -0.9
 LIQUID EQUIV      T
SINCE 7/1          T                0.9    -0.9
DAYS >= TRACE      1                0.8     0.2
DAYS >= 1.0        0                0.3    -0.3
GREATEST
 24 HR TOTAL       T   11/09 TO 11/09

DEGREE DAYS
HEATING TOTAL    904               1005    -101
 SINCE 7/1       904               1014    -110
COOLING TOTAL    162                100      62
 SINCE 1/1       860                800      60

FREEZE DATES
RECORD
 EARLIEST     10/05/1881
 LATEST       05/03/1882
EARLIEST                        11/12
LATEST                          04/03
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
RESULTANT WIND SPEED/DIRECTION   3/290
HIGHEST WIND SPEED/DIRECTION    32/300    DATE  09/16
HIGHEST GUST SPEED/DIRECTION    42/300    DATE  09/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.58
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC             40
NUMBER OF DAYS CLOUDY         27

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      11
LIGHT RAIN               32     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      1
FOG                      27     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.

$$