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

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CXUS53 KLSX 011722
CLSCOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1100 AM CST FRI DEC 1 2017

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

...THE COLUMBIA     ASOS CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2017 TO 11/30/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             104   09/14/1893
 LOW               -3   11/30/1929
HIGHEST            92   09/20
                        09/04
LOWEST             20   11/22
AVG. MAXIMUM     70.1              66.6     3.5
AVG. MINIMUM     48.5              45.5     3.0
MEAN             59.3              56.0     3.3
DAYS MAX >= 90      6
DAYS MAX <= 32      0
DAYS MIN <= 32     12
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.48   1941
 MINIMUM         2.21   1956
TOTALS           6.29             10.43   -4.14
DAYS >= .01        15
DAYS >= .10        11
DAYS >= .50         4
DAYS >= 1.00        2
GREATEST
 24 HR. TOTAL    1.57   09/18 TO 09/18

SNOWFALL (INCHES)
RECORDS
 TOTAL            8.3   1971
 24 HR TOTAL      8.1   11/25/1975 TO 11/26/1975
TOTALS              T               0.9    -0.9
SINCE 7/1           T               0.9    -0.9
GREATEST
 SNOW DEPTH         0
 24 HR TOTAL        T   10/31 TO 10/31

DEGREE_DAYS
HEATING TOTAL     777               983    -206
 SINCE 7/1        780               985    -205
COOLING TOTAL     287               165     122
 SINCE 1/1       1401              1249     152
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    39/290    DATE  10/14
HIGHEST GUST SPEED/DIRECTION    49/290    DATE  10/14


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     HAIL                       0
FOG W/VIS <= 1/4 MILE     5

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

...SEASONAL...

TIED 16TH WARMEST METEOROLOGICAL FALL ON RECORD (59.3 DEGREES).

9TH LEAST NUMBER OF OCCURRENCES OF MEASURABLE PRECIPITATION (15 DAYS).

...MONTHLY...

6TH DRIES NOVEMBER ON RECORD (0.36 INCHES).

TIED LEAST SNOWIEST NOVEMBER ON RECORD (0.0 INCHES).

TIED LEAST NUMBER OF OCCURRENCES OF MEASURABLE RAINFALL WITHIN THE
MONTH OF SEPTEMBER (2 DAYS).

...DAILY...

1 RECORD HIGH TEMPERATURE SET (74 DEGREES ON 11/24).

2 RECORD HIGH MINIMUM TEMPERATURES SET OR TIED (9/22 AND 10/14).


$$



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