Climatological Report (Monthly)
Issued by NWS St Louis, MO

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533
CXUS53 KLSX 011500
CLMSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1000 AM CDT TUE JUN 01 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             98   05/26/1953
                       05/31/1934
 LOW              31   05/03/1976
                       05/10/1966
HIGHEST           89   05/23                          89
LOWEST            40   05/10                          39
AVG. MAXIMUM    74.8               77.1    -2.3     73.6
AVG. MINIMUM    55.8               57.9    -2.1     55.9
MEAN            65.3               67.5    -2.2     64.8
DAYS MAX >= 90     0                1.9    -1.9        0
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       12.92   1995
 MINIMUM        0.69   1914
TOTALS          2.86               4.82   -1.96     5.47
DAILY AVG.      0.09               0.16   -0.07     0.18
DAYS >= .01       11               12.6    -1.6       16
DAYS >= .10        6                8.3    -2.3       11
DAYS >= .50        2                3.3    -1.3        4
DAYS >= 1.00       1                1.3    -0.3        1
GREATEST
 24 HR. TOTAL   1.29   05/27 TO 05/27

SNOWFALL (INCHES)
RECORDS
 TOTAL           4.0   1929
 24 HR TOTAL     4.0   05/02/1929 TO 05/02/1929
TOTALS           0.0                0.0     0.0
SINCE 7/1       12.9               16.6    -3.7
DAYS >= 1.0        0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL     0.0

DEGREE DAYS
HEATING TOTAL    120                 72      48
 SINCE 7/1      4356               4429     -73
COOLING TOTAL    139                150     -11
 SINCE 1/1       174                195     -21
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    30/330    DATE  05/06
HIGHEST GUST SPEED/DIRECTION    39/330    DATE  05/06
                                39/320          05/16

SKY COVER
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         16


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       4
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     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.

...MONTHLY...

NO RECORDS OF NOTE.


...DAILY...

NO RECORDS OF NOTE.

$$



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