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