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

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CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1244 PM CST MON JAN 2 2017

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE YEAR OF 2016...

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             115   07/14/1954
 LOW              -22   01/05/1884
HIGHEST           101   07/24
LOWEST              3   12/19
AVG. MAXIMUM     69.6              66.2     3.4
AVG. MINIMUM     51.2              47.9     3.3
MEAN             60.4              57.1     3.3
DAYS MAX >= 90     60
DAYS MAX <= 32     18
DAYS MIN <= 32     70
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        61.24   2015
 MINIMUM        20.69   1953
TOTALS          41.44             40.96    0.48
DAYS >= .01       113
DAYS >= .10        74
DAYS >= .50        25
DAYS >= 1.00       13
GREATEST
 24 HR. TOTAL    3.03   10/19 TO 10/20

SNOWFALL (INCHES)
RECORDS
 TOTAL           63.3   1912
 24 HR TOTAL     20.0   03/30/1890 TO 03/31/1890
TOTALS           11.1              17.8    -6.7
SINCE 7/1         0.2               5.1    -4.9
DAYS >= TRACE      24
DAYS >= 1.0         4
GREATEST
 SNOW DEPTH         2   02/24
                        01/22
                        01/20
 24 HR TOTAL      3.6   02/24 TO 02/24

DEGREE_DAYS
HEATING TOTAL    3747              4535    -788
 SINCE 7/1         MM              1765      MM
COOLING TOTAL    2162              1646     516
 SINCE 1/1       2162              1646     516
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
HIGHEST WIND SPEED/DIRECTION    48/250    DATE  04/26
HIGHEST GUST SPEED/DIRECTION    60/240    DATE  04/26


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              57     HAIL                       3
FOG W/VIS <= 1/4 MILE     6

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

$$


...ANNUAL...

2ND WARMEST CALENDAR YEAR ON RECORD.

MOST OCCURENCES OF A MAXIMUM TEMPERATURES GREATER THAN OR EQUAL TO
70 DEGREES ( 88 DAYS...PREVIOUS 82 DAYS IN 1921.)

RECORD HIGH OF 91 DEGREES ON 10/17 IS THE LASTEST OBSERVATION OF A
TEMPERATURE GREATER THAN 90 DEGREES WITHIN A CALENDAR YEAR (PREVIOUS
LASTEST WAS 94 DEGREES SET ON 10/11/1963).


...SEASONAL...

WARMEST METEOROLOGICAL FALL ON RECORD (64.4 DEGREES).

MOST NUMBER OF OCCURENCES OF A MAXIMUM TEMPERATURE GREATER THAN OR
EQUAL TO 70 DEGREES WITHIN FALL (60 DAYS).

TIED LEAST SNOWIEST FALL ON RECORD (0.0 INCHES).

9TH WARMEST SUMMER ON RECORD (81.2 DEGREES).

MOST OCCURENCES OF A MINIMUM TEMPERATURE GREATER THAN OR EQUAL TO 70
DEGREES WITHIN SUMMER ( 73 DAYS ).

7TH WARMEST SPRING ON RECORD (59.8 DEGREES).



...MONTHLY...


TIED 8TH WARMEST NOVEMBER ON RECORD(52.2 DEGREES).

TIED LEAST SNOWIEST NOVEMBER ON RECORD (0.0 INCHES).

TIED 4TH WARMEST OCTOBER ON RECORD (65.5 DEGREES).

TIED 6TH WARMEST SEPTEMBER ON RECORD (75.4 DEGREES).

4TH WETTEST JULY ON RECORD (8.37 INCHES).

3RD WARMEST JUNE ON RECORD (81.4 DEGREES).

MOST CONSECUTIVE DAYS WITH A MINIMUM TEMPERATURE GREATER THAN OR
EQUAL TO 70 DEGREES WITHIN THE MONTH OF JUNE (19 DAYS).

9TH WARMEST MARCH ON RECORD (53.0 DEGREES).


...DAILY...


9 RECORD HIGH TEMPERATURES SET OR TIED
(11/17...11/02...10/29...10/17...06/12
...03/15...02/20...02/19...AND 02/02).


1 RECORD LOW MAXIMUM TEMPERATURE TIED (72 DEGREES ON 07/03...ALSO
SET IN 1924).


10 RECORD HIGH MINIMUM TEMPERATURES SET OR TIED
(11/02...10/18...10/17...10/16
...09/07...06/22...06/16...06/15...AND 03/08).



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