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

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CXUS53 KLSX 011815
CLSSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1254 PM CDT THU JUN 1 2017

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2017 TO 5/31/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              98   05/26/1953
                        05/31/1934
 LOW               -5   03/05/1960
HIGHEST            91   05/18
LOWEST             16   03/15
AVG. MAXIMUM     70.3              66.5     3.8
AVG. MINIMUM     50.3              47.0     3.3
MEAN             60.3              56.8     3.5
DAYS MAX >= 90      3
DAYS MAX <= 32      1
DAYS MIN <= 32      8
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        23.18   1927
 MINIMUM         3.86   1914
TOTALS          20.61             11.73    8.88
DAYS >= .01        39
DAYS >= .10        24
DAYS >= .50        12
DAYS >= 1.00        7
GREATEST
 24 HR. TOTAL    3.99   04/29 TO 04/30

SNOWFALL (INCHES)
RECORDS
 TOTAL           28.8   1912
 24 HR TOTAL     20.4U  03/30/1912 TO 03/31/1912
TOTALS            1.8               2.7    -0.9
SINCE 7/1         3.2              17.7   -14.5
DAYS >= TRACE       4
DAYS >= 1.0         1
GREATEST
 SNOW DEPTH         1   03/13
 24 HR TOTAL      1.3   03/13

U=UNOFFICIAL 24-HR TOTAL.

DEGREE_DAYS
HEATING TOTAL     664               932    -268
 SINCE 7/1       3397              4530   -1133
COOLING TOTAL     250               174      76
 SINCE 1/1        252               174      78
.................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    48/210    DATE  05/19
HIGHEST GUST SPEED/DIRECTION    68/220    DATE  05/19


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             26      HAIL                       2
FOG W/VIS <= 1/4 MILE     0

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


...SEASONAL...

TIED 4TH WARMEST METEOROLOGICAL SPRING ON RECORD (60.3 DEGREES).

5TH WETTEST SPRING ON RECORD (20.61 INCHES).

TIED 6TH MOST OCCURRENCES OF AT LEAST ONE INCH OF RAINFALL WITHIN A
CALENDAR DAY (7 DAYS).


...MONTHLY...

8TH WARMEST APRIL ON RECORD (62.3 DEGREES).

2ND WETTEST APRIL ON RECORD (10.37 INCHES).


...DAILY...

RECORD HIGH TEMPERATURE OF 88 DEGREES TIED ON 04/19. ALSO SET IN 2011.

2 RECORD HIGH MINIMUM TEMPERATURES SET (05/17 AND 03/20).

2 RECORD RAINFALL VALUES SET (04/29 AND 04/05).


GOSSELIN

$$



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