Climatological Report (Monthly) Issued by NWS St Louis, MO
000
CXUS53 KLSX 152032 CCB
CLMSTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1000 AM CDT SUN OCT 01 2023
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 104 09/01/2011
09/01/1984
09/04/1954
LOW 32 09/28/1942
HIGHEST 95 09/04 97
LOWEST 53 09/15 45
AVG. MAXIMUM 84.8 81.1 3.7 81.4
AVG. MINIMUM 63.6 60.9 2.7 61.5
MEAN 74.2 71.0 3.2 71.4
DAYS MAX >= 90 5 5.0 0.0 3
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.04 1945
MINIMUM T 1979
TOTALS 2.67 2.96 -0.29 1.73
DAILY AVG. 0.09 0.10 -0.01 0.06
DAYS >= .01 7 7.3 -0.3 9
DAYS >= .10 4 4.5 -0.5 5
DAYS >= .50 1 1.9 -0.9 1
DAYS >= 1.00 1 1.0 0.0 0
GREATEST
24 HR. TOTAL 1.99 09/26 TO 09/27
DEGREE DAYS
HEATING TOTAL 0 32 -32 29
SINCE 7/1 0 31 -31
COOLING TOTAL 284 212 72 231
SINCE 1/1 1854 1662 192
..............................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 39/220 DATE 09/04
HIGHEST GUST SPEED/DIRECTION 53/220 DATE 09/04
SKY COVER
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 4
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 4
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 4 FOG W/VIS <= 1/4 MILE 0
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
...MONTHLY...
TIED MOST DAYS WITH A HIGH TEMPERATURE OF AT LEAST 80 DEGREES (28
DAYS. ALSO SET IN 2019).
...DAILY...
RECORD RAINFALL VALUE OF 1.62 INCHES SET ON 09/27. PREVIOUS 1.28 IN
1945.
$$