Climatological Report (Monthly)
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000
CXUS52 KCHS 011451
CLMCXM

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1041 AM EDT THU JUN 01 2023

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

...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            100   05/27/2019
 LOW              45   05/20/1894
HIGHEST           88   05/17                          91  05/05
LOWEST            57   05/27                          53  05/09
AVG. MAXIMUM    76.1               79.0    -2.9     79.8
AVG. MINIMUM    65.8               68.0    -2.2     70.5
MEAN            70.9               73.5    -2.6     75.2
DAYS MAX >= 90     0                1.5    -1.5        1
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       11.93   1976
 MINIMUM        0.02   2000
TOTALS          4.83               2.58    2.25     1.84
DAYS >= .01        9                6.8     2.2        5
DAYS >= .10        5                4.3     0.7        4
DAYS >= .50        4                1.6     2.4        1
DAYS >= 1.00       2                0.8     1.2        1
GREATEST
 24 HR. TOTAL   1.73   05/17


DEGREE DAYS
HEATING TOTAL      3                  6      -3        3
 SINCE 7/1      1145               1619    -474       MM
COOLING TOTAL    195                269     -74      324
 SINCE 1/1       414                387      27       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
HIGHEST WIND SPEED/DIRECTION    24/020
HIGHEST GUST SPEED/DIRECTION    30/020



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

&&

RECORDS ESTABLISHED IN DOWNTOWN CHARLESTON DURING THE MONTH:

*MAY 17 - RECORD PRECIPITATION OF 1.73 INCHES

$$
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