Climatological Report (Seasonal)
Issued by NWS Boston, MA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
000
CXUS51 KBOX 010916
CLSBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
503 AM EDT SAT JUN 1 2019

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE SEASON...
...FROM 3/1/2019 TO 5/31/2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              97   05/26/1880
 LOW               -8   03/06/1872
HIGHEST            89   05/26
LOWEST             15   03/07
AVG. MAXIMUM     57.1              55.7     1.4
AVG. MINIMUM     41.9              40.5     1.4
MEAN             49.5              48.1     1.4
DAYS MAX >= 90      0               0.4    -0.4
DAYS MAX <= 32      3               1.9     1.1
DAYS MIN <= 32     18              17.4     0.6
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.10   1953
 MINIMUM         3.50   1915
TOTALS          12.82             11.55    1.27
DAILY AVG.       0.14              0.13    0.01
DAYS >= .01        50              34.8    15.2
DAYS >= .10        29              20.8     8.2
DAYS >= .50         7               6.9     0.1
DAYS >= 1.00        1               2.6    -1.6
GREATEST
 24 HR. TOTAL    2.43   04/22 TO 04/23
 STORM TOTAL       MM
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL           41.1   1993
 24 HR TOTAL     22.4   04/01/1997 TO 04/01/1997
 SNOW DEPTH        20   03/04/1978
TOTALS           13.5               9.7     3.8
 LIQUID EQUIV      MM              1.00      MM
SINCE 7/1        27.4              43.8   -16.4
 LIQUID 7/1      1.39                MM      MM
SNOWDEPTH AVG.     MM                MM      MM
DAYS >= TRACE       6               4.9     1.1
DAYS >= 1.0         2               2.5    -0.5
GREATEST
 SNOW DEPTH        MM
 24 HR TOTAL      9.9   03/04 TO 03/04
 STORM TOTAL       MM
 (MM/DD(HH))

DEGREE_DAYS
HEATING TOTAL    1428              1585    -157
 SINCE 7/1       5234              5626    -392
COOLING TOTAL      29                30      -1
 SINCE 1/1         29                30      -1

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

WIND (MPH)
AVERAGE WIND SPEED              11.8
RESULTANT WIND SPEED/DIRECTION   3/261
HIGHEST WIND SPEED/DIRECTION    38/270    DATE  04/03
HIGHEST GUST SPEED/DIRECTION    56/280    DATE  04/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             35
NUMBER OF DAYS CLOUDY         43

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      28
LIGHT RAIN               51     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                6     SLEET                      1
FOG                      42     FOG W/VIS <= 1/4 MILE      5
HAZE                      4

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

$$

SIPPRELL


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.