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

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CXUS53 KLSX 012016
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   MM

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   MM

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

WIND (MPH)
AVERAGE WIND SPEED              9.8
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              4     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...


16TH LEAST SNOWIEST WINTER ON RECORD ( 5.5 INCHES)

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


....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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