Climatological Report (Monthly)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
223
CXUS53 KLSX 021657 CCA
CLMSTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
921 AM CST MON JAN 01 2024
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 76 12/03/1970
12/15/1948
LOW -16 12/22/1989
HIGHEST 68 12/07 66
12/24
LOWEST 21 12/19 -6
AVG. MAXIMUM 52.7 44.5 8.2 43.9
AVG. MINIMUM 37.4 28.5 8.9 27.8
MEAN 45.0 36.5 8.5 35.9
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 4.7 -4.7 3
DAYS MIN <= 32 7 20.4 -13.4 16
DAYS MIN <= 0 0 0.0 0.0 2
PRECIPITATION (INCHES)
RECORD
MAXIMUM 11.74 2015
MINIMUM 0.03 1955
TOTALS 2.29 2.50 -0.21 1.96
DAILY AVG. 0.07 0.08 -0.01 0.06
DAYS >= .01 12 9.0 3.0 9
DAYS >= .10 7 5.2 1.8 5
DAYS >= .50 0 1.3 -1.3 1
DAYS >= 1.00 0 0.4 -0.4 0
GREATEST
24 HR. TOTAL 0.36 12/04
SNOWFALL (INCHES)
RECORDS
TOTAL 26.3 1973
24 HR TOTAL 12.0 12/19/1973 TO 12/19/1973
TOTALS 0.5 3.2 -2.7
SINCE 7/1 0.5 4.1 -3.6
DAYS >= 1.0 0
GREATEST
SNOW DEPTH T 12/08
24 HR TOTAL 0.4 12/27 TO 12/28
DEGREE DAYS
HEATING TOTAL 611 884 -273
SINCE 7/1 1263 1705 -442
COOLING TOTAL 0 0 0
SINCE 1/1 1942 1713 229
..............................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 30/330 DATE 12/18
HIGHEST GUST SPEED/DIRECTION 39/310 DATE 12/18
SKY COVER
NUMBER OF DAYS FAIR 3
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 19
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 1
HEAVY RAIN 2 RAIN 5
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 4 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 0
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
...MONTHLY...
5TH WARMEST DECEMBER ON RECORD (45.0 DEGREES).
3RD MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 50 DEGREES (20 DAYS).
...DAILY...
NONE.
$$
CVKING