282
CXUS51 KBOX 081941
CLABOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
238 PM EST WED JAN 8 2020

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

...THE BOSTON CLIMATE SUMMARY FOR THE YEAR OF 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2020

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   07/21
LOWEST              5   01/31
                        01/21
AVG. MAXIMUM     60.7              58.8     1.9
AVG. MINIMUM     45.9              44.1     1.8
MEAN             53.3              51.5     1.8
DAYS MAX >= 90     15              10.3     4.7
DAYS MAX <= 32     18              24.6    -6.6
DAYS MIN <= 32     93              91.9     1.1
DAYS MIN <= 0       0               0.5    -0.5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        65.53   1878
 MINIMUM        23.71   1965
TOTALS          50.38             43.77    6.61
DAILY AVG.       0.14              0.12    0.02
DAYS >= .01       155             126.0    29.0
DAYS >= .10        99              76.2    22.8
DAYS >= .50        32              28.4     3.6
DAYS >= 1.00       14              10.1     3.9
GREATEST
 24 HR. TOTAL    2.43   MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           89.2   1978
 SNOW DEPTH        31   01/11/1996
TOTALS           38.7              43.8    -5.1
SINCE 7/1        11.5              10.3     1.2
SNOWDEPTH AVG.     MM
DAYS >= 1.0        13              10.9     2.1
GREATEST
 SNOW DEPTH        MM
 24 HR TOTAL      9.9   MM

DEGREE_DAYS
HEATING TOTAL    5152              5681    -529
 SINCE 7/1       1775              1994    -219
COOLING TOTAL    1013               747     266
 SINCE 1/1       1013               747     266
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
RESULTANT WIND SPEED/DIRECTION   3/273
HIGHEST WIND SPEED/DIRECTION    55/090    DATE  10/17
HIGHEST GUST SPEED/DIRECTION    73/210    DATE  07/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           65
NUMBER OF DAYS PC            170
NUMBER OF DAYS CLOUDY        130

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
 84
  1
  2
 13
  7
 21
HAZE                     48

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

$$