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

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CXUS53 KLSX 012056
CLASTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
256 PM CST WED JAN 01 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE YEAR OF 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            115   07/14/1954
 LOW             -22   01/05/1884
HIGHEST          103   06/25                 MM
LOWEST            -7   01/14                 MM
AVG. MAXIMUM    70.8               66.8     4.0
AVG. MINIMUM    51.5               48.0     3.5
MEAN            61.1               57.4     3.7
DAYS MAX >= 90    56
DAYS MAX <= 32    11
DAYS MAX >= 100    3
DAYS MIN <= 32    53
DAYS MIN <= 0      2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       61.24   2015
 MINIMUM       20.69   1953
TOTALS         50.81              41.70    9.11
DAYS >= .01      105
DAYS >= .10       72
DAYS >= .50       27
DAYS >= 1.00      16
GREATEST
 24 HR. TOTAL   6.06   11/04 TO 11/05

SNOWFALL (INCHES)
RECORDS
 TOTAL          63.3   1912
 24 HR TOTAL    20.0   03/30/1890 TO 03/31/1890
TOTALS          12.4               16.6    -4.2
SINCE 7/1        3.6                4.1    -0.5
DAYS >= TRACE     18
DAYS >= 1.0        4
GREATEST
 SNOW DEPTH        3   02/17
                       02/18
                       12/01
 24 HR TOTAL     3.4   02/16 TO 02/16

DEGREE DAYS
HEATING TOTAL   3369               4433   -1064
 SINCE 7/1      1281               1705    -424
COOLING TOTAL   2057               1713     344
 SINCE 1/1      2057               1713     344
................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    39/230    DATE  05/07
HIGHEST GUST SPEED/DIRECTION    54/230    DATE  05/07


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             49     HAIL                       4
FOG W/VIS <= 1/4 MILE     6

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

...ANNUAL...

TOP TEN WARMEST YEAR ON RECORD (61.1  DEGREES).

MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 70
DEGREES (218 DAYS. PREVIOUS 215 IN 2017).

MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 60
DEGREES (263 DAYS. PREVIOUS 256 IN 2016).

LEAST DAYS WITH A LOW TEMPERATURE LESS THAN OR EQUAL TO 32
DEGREES (53 DAYS).

TOP TWENTY WETTEST YEAR (50.81 INCHES).

...SEASONAL...

6TH WARMEST METEOROLOGICAL SPRING ON REOCRD (62.2 DEGREES).

4TH WARMEST FALL (62.7 DEGREES).

MOST DAYS WITH A HIGH TEMPERATURE OF AT LEAST 70 DEGREES DURING THE
FALL SEASON (62 DAYS. PREVIOUS 60 IN 2016).

7TH WETTEST FALL (16.25 INCHES).

...MONTHLY...

TIED MOST DAYS WITH MEASURABLE PRECIPITATION IN JANUARY (16 DAYS.
ALSO SET IN 1977, 1916, AND 1907).

2ND WARMEST FEBRUARY ON RECORD (46.8 DEGREES).

MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 50
DEGREES WITHIN THE MONTH OF FEBRUARY (22 DAYS).

5TH DRIEST FEBRUARY (0.40 INCHES).

LEAST OCCURRENCES WITH MEASURABLE PRECIPITATION IN THE MONTH OF
FEBRUARY (2 DAYS. PREVIOUS 3 DAYS IN 2006, 1958, AND 1943).

7TH WARMEST MARCH (53.8 DEGREES).

8TH WETTEST APRIL (8.16 INCHES).

TIED MOST DAYS WITH AT LEAST ONE INCH OF RAINFALL IN THE MONTH OF
APRIL (4 DAYS. ALSO SET IN 2017).

7TH WARMEST MAY (71.9 DEGREES).

8TH WARMEST JUNE (80.4 DEGREES).

TIED 8TH DRIEST JUNE (1.12 INCHES).

6TH WETTEST JULY (8.39 INCHES).

TIED MOST DAYS WITH AT LEAST ONE INCH OF RAINFALL WITHIN THE MONTH
OF JULY (4 DAYS.ALSO SET IN 2020 AND 1981).

2ND WETTEST NOVEMBER (9.68 INCHES).

TIED MOST DAYS WITH AT LEAST TWO INCHES OF PRECIPITATION WITHIN THE
MONTH OF NOVEMBER (2 DAYS. ALSO SET IN 1946).

...DAILY...

5 RECORD HIGH TEMPERATURES SET OR TIED (02/27, 02/26, 06/25, 08/27,
AND 10/29).
    -- HIGH OF 86 DEGREES ON 02/27 ALSO SET MONTHLY RECORD FOR
       FEBRUARY. PREVIOUS 85 ON 02/29/1972.

RECORD LOW MAXIMUM TEMPERATURE OF 3 DEGREES SET ON 01/14. PREVIOUS 6
IN 1881.

5 RECORD HIGH MINIMUM TEMPERATURES SET (03/04, 08/27, 10/29, 10/30,
AND 11/04).

5 RECORD RAINFALL VALUES SET (04/01, 09/22, 09/23, 11/04, AND 11/05).
    -- 3.89 INCHES ON 11/05 ALSO SET A NEW MONTHLY RECORD FOR SINGLE
       DAY RAINFALL FOR THE MONTH OF NOVEMBER.

RECORD SNOWFALL OF 3.2 INCHES SET ON 11/30. PREVIOUS 2.4 IN 2008.

$$