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

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CXUS53 KLSX 030126 CCA
CLSSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
137 PM CST THU MAR 1 2018

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2017 TO 2/28/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              84   02/01/1911
 LOW              -22   01/05/1884
HIGHEST            80   02/15
LOWEST             -6   01/01
AVG. MAXIMUM     43.7              42.4     1.3
AVG. MINIMUM     24.6              26.0    -1.4
MEAN             34.1              34.2    -0.1
DAYS MAX >= 90      0
DAYS MAX <= 32     25
DAYS MIN <= 32     64
DAYS MIN <= 0       3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        15.26   1949/1950
 MINIMUM         2.30   1876/1877
TOTALS           7.32              7.48   -0.16
DAYS >= .01        23
DAYS >= .10        15
DAYS >= .50         4
DAYS >= 1.00        2
GREATEST
 24 HR. TOTAL    1.73   02/24

SNOWFALL (INCHES)
RECORDS
 TOTAL           43.9   1977/1978
 24 HR TOTAL     15.6   02/20/1912 TO 02/21/1912
TOTALS            5.5              14.3    -8.8
SINCE 7/1         5.5              15.0    -9.5
DAYS >= TRACE      29
DAYS >= 1.0         2
GREATEST
 SNOW DEPTH         2   12/23
 24 HR TOTAL      2.1   12/23

DEGREE_DAYS
HEATING TOTAL    2769              2772      -3
 SINCE 7/1       3471              3598    -127
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    36/280    DATE  12/13
HIGHEST GUST SPEED/DIRECTION    45/270    DATE  12/13


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     HAIL                       0
FOG W/VIS <= 1/4 MILE     3

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

$$

...SEASONAL...

TIED FOR 14TH MOST OCCURENCES OF A MAXIMUM TEMPERATURE GREATER THAN
OR EQUAL TO 60 DEGREES (16 DAYS).

16TH LEAST SNOWIEST WINTER ON RECORD (5.5 INCHES).

....MONTHLY...

3RD WETTEST FEBRUARY ON RECORD (5.25 INCHES).

2ND LONGEST STREAK OF CONSECUTIVE DAYS WITH MEASUREABLE PRECIPITATION
WITHIN THE MONTH OF FEBRUARY (6 DAYS ENDING 02/24).

TIED LEAST OCCURENCES OF AT LEAST ONE INCH OF SNOW WITHIN THE MONTH
OF JANUARY (0 DAYS...TIED SEVERAL OTHER YEARS).

14TH DRIEST DECEMBER ON RECORD (0.84 INCHES).


...DAILY...

RECORD HIGH TEMPERATURE OF 80 DEGREES SET ON 02/15 (PREVIOUS 75 IN
1976).

RECORD PRECIPITATION VALUE OF 1.73 INCHES SET ON 02/24 (PREVIOUS
1.49 IN 2001).


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