Climatological Report (Seasonal)
Issued by NWS Boston, MA

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CXUS51 KBOX 011256
CLSBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
833 AM EDT THU JUN 01 2023

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2023 TO 5/31/2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             97   05/26/1880
 LOW              -8   03/06/1872
HIGHEST           88   04/13                          89
LOWEST            28   03/20                          17
AVG. MAXIMUM    58.1               56.1     2.0
AVG. MINIMUM    43.0               40.7     2.3
MEAN            50.6               48.4     2.2
DAYS MAX >= 90     0                0.7    -0.7
DAYS MAX <= 32     0                2.2    -2.2
DAYS MIN <= 32    12               18.2    -6.2
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.10   1953
 MINIMUM        3.50   1915
TOTALS          9.64              11.05   -1.41
DAILY AVG.      0.10               0.12   -0.02
DAYS >= .01       28               35.0    -7.0
DAYS >= .10       14               20.4    -6.4
DAYS >= .50        5                6.8    -1.8
DAYS >= 1.00       3                2.3     0.7
GREATEST
 24 HR. TOTAL   2.44   03/13 TO 03/14

SNOWFALL (INCHES)
RECORDS
 MAXIMUM        41.1   1993
 MINIMUM           T   MULTI-YEARS
TOTALS           0.9               10.6    -9.7
 LIQUID EQUIV   0.10
SINCE 7/1       12.4               49.2   -36.8
DAYS >= TRACE      7                5.2     1.8
DAYS >= 1.0        0                2.5    -2.5
GREATEST
 24 HR TOTAL     0.5   03/14 TO 03/14

DEGREE DAYS
HEATING TOTAL   1351               1558    -207
 SINCE 7/1      4667               5494    -827
COOLING TOTAL     44                 34      10
 SINCE 1/1        44                 33      11

FREEZE DATES
RECORD
 EARLIEST     10/05/1881
 LATEST       05/03/1882
EARLIEST                        11/18
LATEST                          03/30
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.7
RESULTANT WIND SPEED/DIRECTION   2/330
HIGHEST WIND SPEED/DIRECTION    39/030    DATE  03/14
HIGHEST GUST SPEED/DIRECTION    45/MM     DATE  03/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC             38
NUMBER OF DAYS CLOUDY         34

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      11
LIGHT RAIN               38     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                7     SLEET                      1
FOG                      29     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.

$$


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