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

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075
CXUS53 KLSX 011008
CLMCOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
449 AM CDT TUE OCT 01 2019

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2019

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   09/16                          94
LOWEST            56   09/14                          43
AVG. MAXIMUM    85.7               78.8     6.9     83.1
AVG. MINIMUM    65.8               56.4     9.4     62.5
MEAN            75.8               67.6     8.2     72.8
DAYS MAX >= 90    10                2.5     7.5       11
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          2.52               3.87   -1.35     2.27
DAILY AVG.      0.08               0.13   -0.05     0.08
DAYS >= .01        5                8.1    -3.1        5
DAYS >= .10        4                5.6    -1.6        5
DAYS >= .50        3                2.6     0.4        2
DAYS >= 1.00       1                1.3    -0.3        0
GREATEST
 24 HR. TOTAL   1.27   09/08

DEGREE DAYS
HEATING TOTAL      0                 66     -66       21
 SINCE 7/1         0                 68     -68       21
COOLING TOTAL    329                144     185      258
 SINCE 1/1      1559               1227     332     1874
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    30/330    DATE  09/08
HIGHEST GUST SPEED/DIRECTION    39/320    DATE  09/08

SKY COVER
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          1


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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


...MONTHLY...

TIED WARMEST SEPTEMBER ON RECORD (75.8 DEGREES. ALSO SET IN 1897).

TIED 2ND MOST OCCURRENCES OF A HIGH TEMPERATURE GREATER THAN OR EQUAL
TO 80 DEGREES (25 DAYS).

TIED 4TH MOST OCCURRENCES OF A LOW TEMPERATURE GREATER THAN OR EQUAL
TO 70 DEGREES (9 DAYS).

MOST OCCURRENCES OF A LOW TEMPERATURE GREATER THAN OR EQUAL TO
60 DEGREES (25 DAYS...PREVIOUS 23 SET IN 1933 AND 1911).


...DAILY...

1 RECORD HIGH MINIMUM TEMPERATURE SET (69 DEGREES ON 09/20...PREVIOUS
68 IN 1971).


$$

GOSSELIN



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