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Climatological Report (Annual)
Issued by NWS St Louis, MO
Versions: 1 2 3 4 5 6 7 8 9 10
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CXUS53 KLSX 052100 RRA
CLASTL

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE ST LOUIS MO
150 AM CST MON JAN 03 2022

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE YEAR OF 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2022

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            115   07/14/1954
 LOW             -22   01/05/1884
HIGHEST          101   06/18
LOWEST            -4   02/16
AVG. MAXIMUM    68.3               66.8     1.5
AVG. MINIMUM    49.7               48.0     1.7
MEAN            59.0               57.4     1.6
DAYS MAX >= 90    55
DAYS MAX <= 32    18
DAYS MAX >= 100    2
DAYS MIN <= 32    74
DAYS MIN <= 0      3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       61.24   2015
 MINIMUM       20.69   1953
TOTALS         42.48              41.70    0.78
DAYS >= .01      117
DAYS >= .10       68
DAYS >= .50       30
DAYS >= 1.00      14
GREATEST
 24 HR. TOTAL   3.30   07/09 TO 07/10

SNOWFALL (INCHES)
RECORDS
 TOTAL          63.3   1912
 24 HR TOTAL    20.0   03/30/1890 TO 03/31/1890
TOTALS          12.6               16.6    -4.0
SINCE 7/1          T                4.1    -4.1
DAYS >  TRACE     14
DAYS >= 1.0        2
GREATEST
 SNOW DEPTH        7   02/16
 24 HR TOTAL     5.7   02/15

DEGREE DAYS
HEATING TOTAL   4016               4433    -417
 SINCE 7/1      1235               1705    -470
COOLING TOTAL   1977               1713     264
................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    55/280    DATE  07/09
HIGHEST GUST SPEED/DIRECTION    70/280    DATE  07/09


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             49     HAIL                       0
FOG W/VIS <= 1/4 MILE    13

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


...ANNUAL...

TIED 6TH WARMEST CALENDAR YEAR ON RECORD (59.0 DEGREES).

7TH MOST OCCURRENCES WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL
TO 60 DEGREES (251 DAYS).

TIED 9TH LEAST NUMBER OF OCCURRENCES WITH AT LEAST ONE INCH OF
SNOWFALL (2 DAYS).


...SEASONAL...

9TH WARMEST METEOROLOGICAL FALL ON RECORD (61.8 DEGREES).


...MONTHLY...

3RD WARMEST DECEMBER ON RECORD (47.0 DEGREES).

TIED MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 70
DEGREES WITHIN THE MONTH OF DECEMBER (5 DAYS. ALSO TIED WITH 1889).

MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 60
DEGREES WITHIN THE MONTH OF DECEMBER (16 DAYS. PREVIOUS 14 DAYS IN
1889).

TIED LEAST SNOWIEST DECEMBER (0.0 INCHES. 4TH SUCH OCCURRENCE
WITHOUT EVEN A TRACE OF SNOWFALL).

3RD DRIEST NOVEMBER (0.35 INCHES).

MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 50
DEGREES WITHIN THE MONTH OF MARCH (PREVIOUS 29 IN 2012 AND 1938).

TIED LEAST SNOWIEST MARCH (0.0 INCHES. 7TH SUCH OCCURRENCE).

TIED 9TH COLDEST FEBRUARY (26.4 DEGREES).

TIED MOST CONSECUTIVE DAYS WITH A HIGH TEMPERATURE LESS THAN OR
EQUAL TO 32 DEGREES WITHIN THE MONTH OF FEBRUARY (13 DAYS FROM 02/06
TO 02/18. ALSO OCCURRED IN 1899).

TIED MOST DAYS IN FEBRUARY WITH A HIGH TEMPERATURE LESS THAN 20
DEGREES (9 DAYS. ALSO SET IN 1899).

TIED MOST DAYS IN FEBRUARY WITH MEASURABLE SNOWFALL (10 DAYS. ALSO
SET IN 2015).


...DAILY...

5 RECORD HIGH TEMPERATURES SET OR TIED (12/24, 12/16, 12/3, 09/27,
AND 06/18).

3 RECORD HIGH MINIMUM TEMPERATURES SET OR TIED (12/15, 10/10, AND
06/18).

1 RECORD LOW TEMPERATURE SET (04/21).

2 RECORD LOW MAXIMUM TEMPERATURES SET (02/15 AND 02/14).

1 RECORD SNOWFALL VALUE SET (1.6 INCHES ON 02/17. PREVIOUS 1.5 IN
1936).


$$

GOSSELIN/CARNEY
National Weather Service Weather Forecast Office
