000
CXUS51 KBOX 031430
CLSBOS

BOSCLSBOS 000
TTAA00 KBOX 012024


CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT MON JUN 1 2020

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2020 TO 5/31/2020...

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

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              97
 LOW               -8
HIGHEST            83   05/27        MM      MM
LOWEST             19   03/01        MM      MM
AVG. MAXIMUM     55.2              55.7    -0.5
AVG. MINIMUM     40.2              40.5    -0.3
MEAN             47.7              48.1    -0.4
DAYS MAX >= 90      0               0.4    -0.4
DAYS MAX <= 32      0               1.9    -1.9
DAYS MIN <= 32     14              17.4    -3.4
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.10   1953
 MINIMUM         3.50   1915
TOTALS          10.14             11.55   -1.41
DAILY AVG.       0.11              0.13   -0.02
DAYS >= .01        35              34.8     0.2
DAYS >= .10        19              20.8    -1.8
DAYS >= .50        10               6.9     3.1
DAYS >= 1.00        1               2.6    -1.6
GREATEST
 24 HR. TOTAL    1.38   03/23 TO 03/23

SNOWFALL (INCHES)
RECORDS
 MAXIMUM         41.1   1993
 MINIMUM            T   2006
                        1925
                        1921
                        1901
 24 HR TOTAL     22.4   04/01/1997 TO 04/01/1997
 SNOW DEPTH        20   03/04/1978
TOTALS            0.7               9.7    -9.0
 LIQUID EQUIV    0.07              1.00   -0.93
SINCE 7/1        15.8              43.8   -28.0
 LIQUID 7/1      1.58                MM      MM
SNOWDEPTH AVG.     MM                MM      MM       MM
DAYS >= TRACE       8               4.9     3.1
DAYS >= 1.0         0               2.5    -2.5
GREATEST
 SNOW DEPTH        MM                                 MM  MM
 24 HR TOTAL      0.7   04/18 TO 04/18

DEGREE_DAYS
HEATING TOTAL    1602              1585      17
 SINCE 7/1       4985              5626    -641
COOLING TOTAL      34                30       4
 SINCE 1/1         34                30       4

FREEZE DATES
RECORD
 EARLIEST     10/05/1881
 LATEST       05/03/1882
EARLIEST                        11/06
LATEST                          04/09
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              12.7
RESULTANT WIND SPEED/DIRECTION   3/289
HIGHEST WIND SPEED/DIRECTION    47/190    DATE  04/13
HIGHEST GUST SPEED/DIRECTION    59/190    DATE  04/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             46
NUMBER OF DAYS CLOUDY         35

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP                0
HEAVY RAIN               11     RAIN                       20
LIGHT RAIN               44     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        1
HEAVY SNOW                0     SNOW                        3
LIGHT SNOW                8     SLEET                       0
FOG                      31     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.

$$

BL