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

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CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
825 AM CDT TUE SEP 4 2012

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE METEOROLOGICAL SUMMER SEASON,
FROM 6/1/2012 TO 8/31/2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             115   07/14/1954
 LOW               43   06/03/1969
HIGHEST           108   07/25
                        06/28
LOWEST             49   06/01
AVG. MAXIMUM     93.1              87.4     5.7
AVG. MINIMUM     70.8              69.1     1.7
MEAN             82.0              78.2     3.8
DAYS MAX >= 90     60
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        27.22   1915
 MINIMUM         4.09   1926
TOTALS           6.69             11.38   -4.69
DAYS >= .01        19
DAYS >= .10        10
DAYS >= .50         5
DAYS >= 1.00        2
GREATEST
 24 HR. TOTAL    1.48   08/31 TO 08/31

DEGREE_DAYS
HEATING TOTAL       5                 6      -1
 SINCE 7/1          0                 1      -1
COOLING TOTAL    1592              1224     368
 SINCE 1/1       1998              1399     599
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
HIGHEST WIND SPEED/DIRECTION    36/320    DATE  08/08
HIGHEST GUST SPEED/DIRECTION    53/330    DATE  08/16


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             19     HAIL                       1
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...

4TH WARMEST SUMMER ON RECORD (82.0 DEGREES).

21ST DRIEST SUMMER ON RECORD (6.69 INCHES).

RECORD FOR MOST OCCURRENCES OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO
105 DEGREES (11 DAYS...PREVIOUS 10 DAYS IN 1934).

TIED 3RD MOST OCCURRENCES OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO
100 DEGREES (21 DAYS).

5TH MOST OCCURRENCES OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO
95 DEGREES (42 DAYS).

6TH MOST OCCURRENCES OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO
90 DEGREES (60 DAYS).

RECORD FOR MOST OCCURRENCES OF MINIMUM TEMPERATURE GREATER THAN OR EQUAL TO
85 DEGREES (2 DAYS...PREVIOUS 1 DAY IN 2011/1936/1901).

2ND LONGEST STREAK OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO
100 DEGREES (10 DAYS ENDING ON 07/07).

2ND LONGEST STREAK OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO
90 DEGREES (23 DAYS ENDING ON 07/19).


...MONTHLY...

THE MONTH OF AUGUST MARKED THE 11TH CONSECUTIVE MONTH WITH AN AVERAGE
TEMPERATURE ABOVE NORMAL.

WARMEST JULY ON RECORD (88.1 DEGREES...PREVIOUS 87.4 DEGREES IN 1901).

8TH DRIEST JULY ON RECORD (0.72 INCHES).


...DAILY...

11 TOTAL RECORD HIGH TEMPERATURES.
...INCLUDING ALL-TIME WARMEST HIGH TEMPERATURE FOR THE MONTH OF JUNE
(108 DEGREES ON 06/28...PREVIOUS 105 DEGREES IN 1952 AND 1936).

7 TOTAL RECORD HIGH MINIMUM TEMPERATURES.
...INCLUDING TIED ALL-TIME WARMEST MINIMUM TEMPERATURE EVER RECORDED AT
LAMBERT FIELD (86 DEGREES ON 07/25...TIED WITH 07/24/1901).

2ND WARMEST DAILY AVERAGE TEMPERATURE EVER RECORDED (97.0 DEGREES ON 07/25).

1 DAILY MAXIMUM RAINFALL (1.48 INCHES ON 08/31).


THE CLIMATE TEAM


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