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000
CXUS51 KBOX 081741
CLSBOS

BOSCLSBOS 000
TTAA00 BOX 081740

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1236 PM EST WED DEC 08 2021

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2021 TO 11/30/2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2021

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           86   09/15                          85
LOWEST            26   11/30                          22
AVG. MAXIMUM    64.9               62.3     2.6
AVG. MINIMUM    51.2               47.9     3.3
MEAN            58.1               55.1     3.0
DAYS MAX >= 90     0                0.8    -0.8
DAYS MAX <= 32     0                0.3    -0.3
DAYS MIN <= 32     6                7.0    -1.0
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       19.17   1878
 MINIMUM        3.36   1946
TOTALS         13.92              11.25    2.67
DAILY AVG.      0.15               0.12    0.03
DAYS >= .01       29               29.8    -0.8
DAYS >= .10       21               18.4     2.6
DAYS >= .50       10                7.5     2.5
DAYS >= 1.00       4                3.0     1.0
GREATEST
 24 HR. TOTAL   2.54   09/02 TO 09/02

SNOWFALL (INCHES)
RECORDS
 MAXIMUM        17.8   1898
 MINIMUM         0.0   MULTIPLE 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   11/26 TO 11/26

DEGREE DAYS
HEATING TOTAL    779               1005    -226
 SINCE 7/1       788               1014    -226
COOLING TOTAL    170                100      70
 SINCE 1/1      1146                800     346

FREEZE DATES
RECORD
 EARLIEST     10/05/1881
 LATEST       05/03/1882
EARLIEST                        11/23
LATEST                          04/03
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
RESULTANT WIND SPEED/DIRECTION   3/280
HIGHEST WIND SPEED/DIRECTION    47/020    DATE  10/27
HIGHEST GUST SPEED/DIRECTION    59/030    DATE  10/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.58
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             42
NUMBER OF DAYS CLOUDY         29

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN               19     RAIN                      18
LIGHT RAIN               42     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      30     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

$$