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611
CXUS51 KBOX 011933
CLSBOS

BOSCLSBOS 000
TTAA00 BOX 011932

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
230 PM EST MON MAR 01 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2020 TO 2/28/2021...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             76   12/07/1998
 LOW             -18   02/09/1934
HIGHEST           63   12/01                          74
LOWEST             7   01/29                          12
                       01/31
AVG. MAXIMUM    38.6               38.6    -0.0
AVG. MINIMUM    26.6               25.1     1.5
MEAN            32.6               31.8     0.8
DAYS MAX >= 90     0                0.0     0.0
DAYS MAX <= 32    21               22.4    -1.4
DAYS MIN <= 32    72               68.8     3.2
DAYS MIN <= 0      0                0.5    -0.5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       21.99   1958
 MINIMUM        3.04   1980
TOTALS          9.74              10.39   -0.65
DAILY AVG.      0.11               0.12   -0.01
DAYS >= .01       32               32.7    -0.7
DAYS >= .10       19               18.9     0.1
DAYS >= .50        6                7.3    -1.3
DAYS >= 1.00       3                2.3     0.7
GREATEST
 24 HR. TOTAL   1.72   12/05 TO 12/05

SNOWFALL (INCHES)
RECORDS
 MAXIMUM        99.4   2015
 MINIMUM         2.7   1937
TOTALS          34.1               32.8     1.3
 LIQUID EQUIV   3.40
SINCE 7/1       38.4               34.1     4.3
DAYS >= TRACE     27               16.6    10.4
DAYS >= 1.0        7                8.0    -1.0
GREATEST
 24 HR TOTAL    12.3   12/17 TO 12/17

DEGREE DAYS
HEATING TOTAL   2890               2987     -97
 SINCE 7/1      3777               4041    -264
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0

FREEZE DATES
RECORD
 EARLIEST     10/05/1881
 LATEST       05/03/1882
EARLIEST                        10/30
LATEST                          04/18
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.3
RESULTANT WIND SPEED/DIRECTION   6/300
HIGHEST WIND SPEED/DIRECTION    43/110    DATE  01/16
HIGHEST GUST SPEED/DIRECTION    49/110    DATE  01/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.68
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             34
NUMBER OF DAYS CLOUDY         42

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       9
LIGHT RAIN               27     FREEZING RAIN              0
LT FREEZING RAIN          6     HAIL                       2
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW               26     SLEET                      3
FOG                      35     FOG W/VIS <= 1/4 MILE      3
HAZE                      3

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

$$