Climatological Report (Annual) Issued by NWS St Louis, MO
000
CXUS53 KLSX 021728 CCA
CLASTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1004 AM CST MON JAN 01 2024
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR THE YEAR OF 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2023
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 115 07/14/1954
LOW -22 01/05/1884
HIGHEST 104 08/25
LOWEST 11 01/31
AVG. MAXIMUM 70.3 66.8 3.5
AVG. MINIMUM 50.5 48.0 2.5
MEAN 60.4 57.4 3.0
DAYS MAX >= 90 54
DAYS MAX <= 32 4
DAYS MAX >= 100 6
DAYS MIN <= 32 55
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 61.24 2015
MINIMUM 20.69 1953
TOTALS 33.14 41.70 -8.56
DAYS >= .01 106
DAYS >= .10 58
DAYS >= .50 21
DAYS >= 1.00 7
GREATEST
24 HR. TOTAL 1.99 09/26 TO 09/27
03/23 TO 03/24
SNOWFALL (INCHES)
RECORDS
TOTAL 63.3 1912
24 HR TOTAL 20.0 03/30/1890 TO 03/31/1890
TOTALS 3.0 16.6 -13.6
SINCE 7/1 0.5 4.1 -3.6
DAYS >= TRACE 16
DAYS >= 1.0 1
GREATEST
SNOW DEPTH 2 01/25
24 HR TOTAL 2.1 01/25
DEGREE DAYS
HEATING TOTAL 3493 4433 -940
SINCE 7/1 1263 1705 -442
COOLING TOTAL 1942 1713 229
................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 52/290 DATE 07/29
HIGHEST GUST SPEED/DIRECTION 79/290 DATE 07/29
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 53 HAIL 2
FOG W/VIS <= 1/4 MILE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
...ANNUAL...
TIED 2ND WARMEST CALENDAR YEAR ON RECORD (60.4 DEGREES).
MOST DAYS WITH A HIGH TEMPERATURE OF AT LEAST 80 DEGREES (151 DAYS).
PREVIOUS RECORD WAS 150 DAYS IN 2007.
TIED LEAST DAYS WITH A HIGH TEMPERATURE LESS THAN OR EQUAL TO 32 DEGREES (4 DAYS).
LEAST DAYS WITH A LOW TEMPERATURE LESS THAN OR EQUAL TO 32 DEGREES (55 DAYS).
TIED LEAST DAYS WITH A LOW TEMPERATURE LESS THAN 10 DEGREES (0 DAYS).
3RD LEAST SNOWIEST YEAR (3.0 INCHES).
TIED 4TH LEAST NUMBER OF DAYS WITH MEASURABLE SNOWFALL (5 DAYS).
...SEASONAL...
TIED 10TH WARMEST METEOROLOGICAL FALL ON RECORD (61.7 DEGREES).
MOST CONSECUTIVE DAYS WITH A HEAT INDEX OF AT LEAST 110 DEGREES (6
DAYS FROM 08/20 TO 08/25. HEAT INDEX RECORDS DATE BACK TO 1946).
...MONTHLY...
5TH WARMEST DECEMBER ON RECORD (45.0 DEGREES).
TIED MOST DAYS WITH A HIGH TEMPERATURE OF AT LEAST 80 DEGREES WITHIN
THE MONTH OF SEPTEMBER (28 DAYS. ALSO SET IN 2019).
TIED MOST CONSECUTIVE DAYS WITH A LOW TEMPERATURE GREATER THAN OR
EQUAL TO 80 DEGREES WITHIN THE MONTH OF AUGUST (5 DAYS FROM 08/21 TO
08/25. ALSO SET FROM 08/17 TO 08/21/1983).
TIED LEAST OCCURRENCES WITH AT LEAST A TENTH OF AN INCH OF RAINFALL
IN THE MONTH OF APRIL (2 DAYS).
TIED 8TH LEAST SNOWIEST MARCH (TRACE).
6TH WARMEST FEBRUARY (43.1 DEGREES).
TIED LEAST SNOWIEST FEBRUARY (TRACE. 12 OTHER SUCH OCCASSIONS).
9TH WARMEST JANUARY (39.4 DEGREES).
...DAILY...
5 RECORD HIGH TEMPERATURES OR TIED (11/08, 10/27, 08/25, 05/07, AND
01/03).
7 RECORD HIGH MINIMUM TEMPERATURES SET OR TIED (10/26, 08/25, 08/24,
08/23, 07/28, 07/27, AND 07/26).
2 PRECIPITATION VALUES SET (09/27 AND 03/03).
$$
CVKING