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

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CXUS53 KLSX 020552
CLMSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1252 AM CDT FRI MAY 02 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             93   04/18/2002
                       04/26/1989
                       04/10/1930
 LOW              20   04/03/1936
HIGHEST           88   04/28                          89
LOWEST            32   04/08                          35
AVG. MAXIMUM    69.6               68.0     1.6     71.4
AVG. MINIMUM    49.7               47.0     2.7     50.5
MEAN            59.6               57.5     2.1     61.0
DAYS MAX >= 90     0                0.3    -0.3        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                1.4    -0.4        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.84   1893
 MINIMUM        0.46   1895
TOTALS         10.85R              4.73    6.12     8.16
DAILY AVG.      0.36               0.16    0.20     0.27
DAYS >= .01       12               11.5     0.5       10
DAYS >= .10       10                7.8     2.2        8
DAYS >= .50        7                3.3     3.7        6
DAYS >= 1.00       4                1.2     2.8        4
GREATEST
 24 HR. TOTAL   3.54   04/04 TO 04/05

SNOWFALL (INCHES)
RECORDS
 TOTAL           6.5   1971
   1886
 24 HR TOTAL     6.5   04/05/1971 TO 04/06/1971
TOTALS           0.0                0.2    -0.2
SINCE 7/1       18.6               16.6     2.0
DAYS >= 1.0        0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL     0.0

DEGREE DAYS
HEATING TOTAL    197                262     -65
 SINCE 7/1      3777               4357    -580
COOLING TOTAL     44                 37       7
 SINCE 1/1        66                 45      21
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    38/280    DATE  04/10
HIGHEST GUST SPEED/DIRECTION    49/280    DATE  04/10

SKY COVER
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         14


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                       9
LIGHT RAIN               19     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                      5

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


...MONTHLY...

WETTEST APRIL ON RECORD (10.85 INCHES. PREVIOUS 10.84 IN 1893).

TIED MOST DAYS WITH AT LEAST ONE INCH OF RAINFALL (4 DAYS. ALSO SET
IN 2024 AND 2017).


...DAILY...

RECORD PRECIPITATION VALUE OF 3.48 INCHES SET ON 04/04. PREVIOUS
2.16 IN 1892.


$$

GOSSELIN