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

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569
CXUS53 KLSX 011604
CLACOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1004 AM CST MON JAN 01 2024

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR THE YEAR OF 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            113   07/14/1954
                       07/12/1954
 LOW             -26   02/12/1899
HIGHEST          102   06/30                 MM
LOWEST             9   01/31                 MM
AVG. MAXIMUM    69.0               66.0     3.0
AVG. MINIMUM    47.8               46.1     1.7
MEAN            58.4               56.0     2.4
DAYS MAX >= 90    46
DAYS MAX <= 32     6
DAYS MAX >= 100    3
DAYS MIN <= 32    72
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       62.49   1993
 MINIMUM       21.35   1901
TOTALS         34.62              41.43   -6.81
DAYS >= .01       99
DAYS >= .10       61
DAYS >= .50       23
DAYS >= 1.00       7
GREATEST
 24 HR. TOTAL   4.74   08/02 TO 08/03

SNOWFALL (INCHES)
RECORDS
 TOTAL          49.4   1960
 24 HR TOTAL    17.5   02/01/2011 TO 02/01/2011
TOTALS           5.0               16.5   -11.5
SINCE 7/1        2.0                4.2    -2.2
DAYS >= TRACE     18
DAYS >= 1.0        3
GREATEST
 SNOW DEPTH        2   01/25
                       12/29
 24 HR TOTAL     2.1

DEGREE DAYS
HEATING TOTAL   3884               4681    -797
 SINCE 7/1      1507               1833    -326
COOLING TOTAL   1604               1448     156
 SINCE 1/1      1604               1447     157
................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    55/330    DATE  08/03
HIGHEST GUST SPEED/DIRECTION    79/330    DATE  08/03


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             49     HAIL                       0
FOG W/VIS <= 1/4 MILE     7

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

...ANNUAL...

2ND WARMEST CALENDAR YEAR ON RECORD (58.4 DEGREES).

2ND LEAST DAYS WITH A HIGH TEMPERATURE LESS THAN OR EQUAL TO 32 DEGREES (6 DAYS).

2ND LEAST DAYS WITH A LOW TEMPERATURE LESS THAN OR EQUAL TO 32 DEGREES (72 DAYS).

TIED LEAST DAYS WITH A LOW TEMPERATURE LESS THAN 10 DEGREES (1 DAY).

4TH LEAST SNOWIEST YEAR (5.0 INCHES).

5TH LEAST NUMBER OF DAYS WITH MEASURABLE SNOWFALL (5 DAYS).


...SEASONAL...

10TH DRIEST METEOROLOGICAL FALL ON RECORD (4.60 INCHES).


...MONTHLY...

6TH WARMEST DECEMBER ON RECORD (42.2 DEGREES).

7TH DRIEST SEPTEMBER (0.53 INCHES).

2ND WETTEST AUGUST (9.56 INCHES. RECORD IS 10.19 IN 2005).

2ND DRIEST APRIL (0.58 INCHES).

TIED MOST OCCURRENCES WITH MEASURABLE PRECIPITATION DURING THE MONTH
OF MARCH (17 DAYS).

TIED 6TH WARMEST FEBRUARY (42.0 DEGREES).

TIED MOST OCCURRENCES WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL
TO 50 DEGREES IN THE MONTH OF FEBRUARY (20 DAYS. ALSO SET IN 1976).

TIED LEAST SNOWIEST FEBRUARY (TRACE. 10 OTHER OCCURRENCES).

7TH WARMEST JANUARY (37.9 DEGREES).


...DAILY...

3 RECORD HIGH TEMPERATURES OR TIED (11/08, 08/25, AND 05/07).

1 RECORD LOW MAXIMUM TEMPERATURE SET (46 DEGREES ON 04/22. PREVIOUS
48 IN 1893).

2 RECORD HIGH MINIMUM TEMPERATURES SET (08/24 AND 05/07).

3 PRECIPITATION VALUES SET (08/13, 08/03, AND 06/18).

$$

CVKING