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

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000
CXUS53 KLSX 021643
CLACOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1043 AM CST SAT JAN 02 2021

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            113   07/14/1954
                       07/12/1954
 LOW             -26   02/12/1899
HIGHEST           95   07/18                 MM
                       07/11
LOWEST             0   02/14                 MM
AVG. MAXIMUM    65.9               64.8     1.1
AVG. MINIMUM    46.6               44.5     2.1
MEAN            56.3               54.6     1.7
DAYS MAX >= 90    33
DAYS MAX <= 32    13
DAYS MAX >= 100    0
DAYS MIN <= 32    90
DAYS MIN <= 0      1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       62.49   1993
 MINIMUM       21.35   1901
TOTALS         44.74              42.62    2.12
DAYS >= .01      103
DAYS >= .10       74
DAYS >= .50       29
DAYS >= 1.00      15
GREATEST
 24 HR. TOTAL   4.54   01/17 TO 01/18

SNOWFALL (INCHES)
RECORDS
 TOTAL          49.4   1960
 24 HR TOTAL    17.5   02/01/2011 TO 02/01/2011
TOTALS          14.3               18.0    -3.7
SINCE 7/1        0.4                5.3    -4.9
DAYS >= TRACE     27
DAYS >= 1.0        6
GREATEST
 SNOW DEPTH        4   01/24
                       01/25
 24 HR TOTAL     8.1

DEGREE DAYS
HEATING TOTAL   4490               5024    -534
 SINCE 7/1      1701               1994    -293
COOLING TOTAL   1409               1248     161
 SINCE 1/1      1409               1249     160
................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    41/320    DATE  04/28
HIGHEST GUST SPEED/DIRECTION    56/320    DATE  04/28


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             44     HAIL                       0
FOG W/VIS <= 1/4 MILE    30

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

...ANNUAL...

TIED AS 18TH WARMEST YEAR ON RECORD (56.3 DEGREES). ALSO OCCURRED
IN 1896.

5TH LEAST OCCURRENCES WITH A MINIMUM TEMPERATURE LESS THAN
20 DEGREES (13 DAYS).


...SEASONAL...

TIED 6TH LEAST OCCURRENCES WITH A MINIMUM TEMPERATURE LESS THAN
60 DEGREES DURING METEOROLOGICAL SUMMER (6 DAYS).

TIED 4TH LEAST OCCURRENCES WITH A MINIMUM TEMPERATURE LESS THAN
OR EQUAL TO 32 DEGREES DURING SPRING (8 DAYS).

TIED 3RD LEAST SNOWIEST SPRING ON RECORD (TRACE).


...MONTHLY...

MOST CONSECUTIVE DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL
TO 70 DEGREES WITHIN THE MONTH OF NOVEMBER (8 DAYS 11/03 THROUGH
11/10).

TIED 3RD SNOWIEST OCTOBER ON RECORD (0.4 INCHES).

6TH WETTEST MARCH ON RECORD (6.45 INCHES).

TIED 4TH LEAST SNOWIEST MARCH ON RECORD (TRACE).


...DAILY...

3 RECORD HIGH TEMPERATURES SET OR TIED (12/10, 04/08, AND 02/03).

1 RECORD LOW MAXIMUM TEMPERATURE SET (10/27).

2 RECORD LOW TEMPERATURES SET (05/11 AND 04/18).

1 RECORD HIGH MINIMUM TEMPERATURE SET (11/09).

4 RECORD PRECIPITATION VALUES SET (06/09, 03/27, 03/09, AND 01/10).


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