Climatological Report (Monthly)
Issued by NWS Boston, MA

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CLMBDL

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1122 AM EDT FRI JUN 1 2018

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

...THE HARTFORD CT CLIMATE SUMMARY FOR THE MONTH OF MAY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1904 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              99   05/26/2010
                        05/20/1996
 LOW               28   05/01/2008
                        05/07/2001
                        05/04/1985
                        05/09/1956
                        05/10/1947
HIGHEST            94   05/03
LOWEST             41   05/01
AVG. MAXIMUM     76.5              71.2     5.3
AVG. MINIMUM     52.3              47.7     4.6
MEAN             64.4              59.5     4.9
DAYS MAX >= 90      4               0.9     3.1
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.4    -0.4
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.00   1989
 MINIMUM         0.73   1959
TOTALS           2.48              4.35   -1.87
DAYS >= .01        10              12.8    -2.8
DAYS >= .10         5               7.9    -2.9
DAYS >= .50         1               2.7    -1.7
DAYS >= 1.00        1               1.1    -0.1
GREATEST
 24 HR. TOTAL    1.26   05/15 TO 05/15

SNOWFALL (INCHES)
RECORDS
 TOTAL            1.3   1977
 SNOW DEPTH        MM   MM
TOTALS            0.0               0.0     0.0
SINCE 7/1        56.0              40.5    15.5
SNOWDEPTH AVG.      0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL      96               205    -109
 SINCE 7/1       5767              5958    -191
COOLING TOTAL      85                33      52
 SINCE 1/1         85                39      46
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.6
RESULTANT WIND SPEED/DIRECTION   2/213
HIGHEST WIND SPEED/DIRECTION    44/320    DATE  05/15
HIGHEST GUST SPEED/DIRECTION    55/320    DATE  05/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$

SIPPRELL



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