667
CXUS51 KBOX 010721
CLMBOS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
321 AM EDT WED NOV 01 2023

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

...THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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             90   10/01/1881
                       10/12/1954
                       10/07/1963
 LOW              25   10/26/1879
                       10/27/1936
HIGHEST           83   10/03                          78
LOWEST            40   10/31                          39
AVG. MAXIMUM    66.5               62.1     4.4
AVG. MINIMUM    52.0               47.5     4.5
MEAN            59.2               54.8     4.4
DAYS MAX >= 90     0                0.0     0.0
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                0.2    -0.2
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.66   1996
 MINIMUM        0.06   1924
TOTALS          1.42               4.03   -2.61
DAILY AVG.      0.05               0.13   -0.08
DAYS >= .01        6               10.5    -4.5
DAYS >= .10        4                6.0    -2.0
DAYS >= .50        1                2.8    -1.8
DAYS >= 1.00       0                1.3    -1.3
GREATEST
 24 HR. TOTAL   0.56   10/21 TO 10/21

SNOWFALL (INCHES)
RECORDS
 MAXIMUM         4.3   2020
 MINIMUM         0.0   MULTI-YEARS
TOTALS           0.0                0.2    -0.2
 LIQUID EQUIV   0.00
SINCE 7/1        0.0                0.2    -0.2
DAYS >= TRACE      0                0.2    -0.2
DAYS >= 1.0        0                0.1    -0.1
GREATEST
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    198                326    -128
 SINCE 7/1       254                405    -151
COOLING TOTAL     26                  9      17
 SINCE 1/1       860                800      60
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
RESULTANT WIND SPEED/DIRECTION   2/270
HIGHEST WIND SPEED/DIRECTION    26/280    DATE  10/08
HIGHEST GUST SPEED/DIRECTION    36/270    DATE  10/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.61
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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

$$