000
CXUS51 KBOX 011749
CLABOS

BOSCLABOS 000
TTAA00 BOX 011748

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1241 PM EST SAT JAN 01 2022

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE YEAR OF 2021...

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

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            104   07/04/1911
 LOW             -18   02/09/1934
HIGHEST          100   06/30
LOWEST             7   01/29
                       01/31
AVG. MAXIMUM    61.7               59.3     2.4
AVG. MINIMUM    47.2               44.5     2.7
MEAN            54.4               51.9     2.5
DAYS MAX >= 90    24               14.1     9.9
DAYS MAX <= 32    19               23.1    -4.1
DAYS MIN <= 32    87               91.6    -4.6
DAYS MIN <= 0      0                0.6    -0.6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       65.53   1878
 MINIMUM       23.71   1965
TOTALS         52.33              43.59    8.74
DAILY AVG.      0.14               0.12    0.02
DAYS >= .01      134              128.4     5.6
DAYS >= .10       87               77.0    10.0
DAYS >= .50       38               29.0     9.0
DAYS >= 1.00      17               10.2     6.8
GREATEST
 24 HR. TOTAL   4.23   09/01 TO 09/02

SNOWFALL (INCHES)
RECORDS
 MAXIMUM       108.6   2015
 MINIMUM         6.4   1973
TOTALS          21.7               49.2   -27.5
SINCE 7/1        0.4                9.9    -9.5
DAYS >= TRACE     31               23.0     8.0
DAYS >= 1.0        6               11.1    -5.1
GREATEST
 24 HR TOTAL     5.3   02/07 TO 02/07

DEGREE DAYS
HEATING TOTAL   4870               5545    -675
 SINCE 7/1      1580               1923    -343
COOLING TOTAL   1146                802     344
 SINCE 1/1      1146                800     346
................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
RESULTANT WIND SPEED/DIRECTION   3/280
HIGHEST WIND SPEED/DIRECTION    47/020    DATE  10/27
HIGHEST GUST SPEED/DIRECTION    61/300    DATE  07/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.64
NUMBER OF DAYS FAIR           63
NUMBER OF DAYS PC            155
NUMBER OF DAYS CLOUDY        146

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             29     MIXED PRECIP               0
HEAVY RAIN               53     RAIN                      67
LIGHT RAIN              163     FREEZING RAIN              0
LT FREEZING RAIN          7     HAIL                       2
HEAVY SNOW                0     SNOW                       4
LIGHT SNOW               32     SLEET                      6
FOG                     136     FOG W/VIS <= 1/4 MILE     13
HAZE                     34

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

$$