National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS53 KLSX 152021 CCA
CLMCOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1000 AM CDT SUN OCT 01 2023

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

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

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            104   09/14/1893
 LOW              26   09/30/1895
HIGHEST           94   09/04                          98
LOWEST            50   09/13                          43
AVG. MAXIMUM    83.3               80.1     3.2     82.8
AVG. MINIMUM    58.9               58.3     0.6     59.4
MEAN            71.1               69.2     1.9     71.1
DAYS MAX >= 90     4                3.3     0.7        5
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       12.06   1993
 MINIMUM        0.09   1940
TOTALS          0.53               3.83   -3.30     1.82
DAILY AVG.      0.02               0.13   -0.11     0.06
DAYS >= .01        6                7.3    -1.3        6
DAYS >= .10        3                5.2    -2.2        4
DAYS >= .50        0                2.6    -2.6        1
DAYS >= 1.00       0                1.3    -1.3        0
GREATEST
 24 HR. TOTAL   0.21   09/26 TO 09/27

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
 24 HR TOTAL      MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
DAYS >= 1.0        0                                   0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL      0                 47     -47       30
 SINCE 7/1         0                 46     -46       MM
COOLING TOTAL    190                173      17      220
 SINCE 1/1      1546               1411     135       MM
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    45/150    DATE  09/23
HIGHEST GUST SPEED/DIRECTION    60/160    DATE  09/23

SKY COVER
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          0


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

...MONTHLY...

7TH DRIEST SEPTEMBER ON RECORD (0.53 INCHES).

...DAILY...

NO RECORDS OF NOTE.

$$