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

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000
CXUS53 KLSX 021131
CLACOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
501 AM CST TUE JAN 2 2018

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

...THE COLUMBIA CLIMATE SUMMARY FOR THE YEAR OF 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2018

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           103   07/22
LOWEST              0   12/31
                        12/27
                        01/07
AVG. MAXIMUM     68.0              64.8     3.2
AVG. MINIMUM     47.4              44.5     2.9
MEAN             57.7              54.6     3.1
DAYS MAX >= 90     33
DAYS MAX <= 32     19
DAYS MIN <= 32     80
DAYS MIN <= 0       3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        62.49   1993
 MINIMUM        21.35   1901
TOTALS          37.63             42.62   -4.99
DAYS >= .01        97
DAYS >= .10        53
DAYS >= .50        23
DAYS >= 1.00       11
GREATEST
 24 HR. TOTAL    4.89   04/29 TO 04/30

SNOWFALL (INCHES)
RECORDS
 TOTAL           49.4   1960
 24 HR TOTAL     17.5   02/01/2011 TO 02/01/2011
TOTALS            2.3              18.0   -15.7
SINCE 7/1         1.2               5.3    -4.1
GREATEST
 SNOW DEPTH         1   12/28
                        12/26
                        12/27
 24 HR TOTAL      1.1   12/23

DEGREE_DAYS
HEATING TOTAL    3961              5024   -1063
 SINCE 7/1       1744              1995    -251
COOLING TOTAL    1401              1248     153
 SINCE 1/1       1401              1249     152
.................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    44/280    DATE  03/06
HIGHEST GUST SPEED/DIRECTION    54/280    DATE  03/06


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             59     HAIL                       0
FOG W/VIS <= 1/4 MILE    19

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


...ANNUAL...

6TH WARMEST YEAR ON RECORD (57.7 DEGREES).

MOST OCCURRENCES OF A HIGH TEMPERATURE GREATER THAN OR EQUAL
TO 60 DEGREES (254 DAYS. PREVIOUS RECORD 253 DAYS IN 2016).

TIED 4TH LEAST NUMBER OF OCCURRENCES OF A LOW TEMPERATURE
AT OR BELOW FREEZING (80 DAYS).

LEAST SNOWIEST YEAR ON RECORD (2.3 INCHES. PREVIOUS 2.9 INCHES IN 2001).

TIED 2ND LEAST NUMBER OF OCCURRENCES WITH MEASURABLE SNOWFALL (4 DAYS).


...SEASONAL...

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

TIED 8TH WARMEST SPRING ON RECORD (57.8 DEGREES).

10TH WETTEST SPRING ON RECORD (18.68 INCHES).

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


...MONTHLY...

TIED 2ND DRIEST DECEMBER ON RECORD (0.23 INCHES).

6TH DRIEST NOVEMBER ON RECORD (0.36 INCHES).

TIED LEAST SNOWIEST NOVEMBER ON RECORD (0.0 INCHES).

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

TIED LEAST NUMBER OF OCCURRENCES OF A LOW TEMPERATURE LESS THAN OR EQUAL
TO 40 DEGREES WITHIN THE MONTH OF APRIL (2 DAYS).

6TH WETTEST APRIL ON RECORD (8.76 INCHES).

RECORD 24-HR RAINFALL TOTAL FOR THE MONTH OF APRIL (4.89 INCHES FROM
29-30 APRIL. PREVIOUS RECRD 4.50 INCHES ON 28 APRIL 1996).

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

WARMEST FEBRUARY ON RECORD (45.9 DEGREES).

MOST OCCURRENCES OF A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 70 DEGREES
WITH THE MONTH OF FEBRUARY (9 DAYS).

TIED MOST OCCURRENCES OF A LOW TEMPERATURE GREATER THAN OR EQUAL TO
40 DEGREES WITHIN THE MONTH OF FEBRUARY (8 DAYS).

MOST CONSECUTIVE DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO
70 DEGREES WITHIN THE MONTH OF FEBRUARY (5 DAYS ENDING 02/20).

4TH DRIEST FEBRUARY ON RECORD (0.21 INCHES).

TIED LEAST SNOWIEST FEBRUARY ON RECORD (TRACE).


...DAILY...

9 RECORD HIGH TEMPEATURES SET OR TIED (12/04, 11/24, 03/20, 02/28,
02/20, 02/19, 02/18, 02/11, AND 01/11).

1 RECORD LOW TEMPERATURE TIED (06/26).

3 RECORD HIGH MINIMUM TEMPERATURES SET (05/17, 02/28, AND 02/20).

3 RECORD RAINFALL VAUES SET (05/19, 05/03, AND 04/29).


GOSSELIN


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