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000
CXUS53 KLSX 011400
CLMSTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
817 AM CDT FRI JUN 1 2012

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

...THE ST. LOUIS MO CLIMATE SUMMARY FOR THE MONTH OF MAY 2012...

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

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              98   05/26/1953
                        05/31/1934
 LOW               31   05/03/1976
                        05/10/1966
HIGHEST            95   05/26                         93
LOWEST             52   05/10                         38
AVG. MAXIMUM     83.7              76.3     7.4     75.7
AVG. MINIMUM     62.7              57.2     5.5     57.1
MEAN             73.2              66.8     6.4     66.4
DAYS MAX >= 90     10               1.2     8.8        3
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.92   1995
 MINIMUM         0.69   1914
TOTALS           1.70              4.72   -3.02     4.16
DAILY AVG.       0.05              0.15   -0.10     0.13
DAYS >= .01         6              11.9    -5.9       17
DAYS >= .10         5               7.6    -2.6        8
DAYS >= .50         2               3.1    -1.1        3
DAYS >= 1.00        0               1.3    -1.3        1
GREATEST
 24 HR. TOTAL    0.83   05/06 TO 05/07

SNOWFALL (INCHES)
RECORDS
 TOTAL            4.0   1929
 24 HR TOTAL      4.0   05/02/1929 TO 05/02/1929
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         6.3              17.7   -11.4     36.8
GREATEST
 24 HR TOTAL      0.0

DEGREE_DAYS
HEATING TOTAL       8                74     -66      125
 SINCE 7/1       3295              4530   -1235     4498
COOLING TOTAL     269               128     141      176
 SINCE 1/1        406               174     232      234
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    30/180    DATE  05/24
HIGHEST GUST SPEED/DIRECTION    43/180    DATE  05/24

SKY COVER
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          3


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

&&

WARMEST MAY ON RECORD (73.2 DEGREES). PREVIOUS 73.0 IN 1991 AND 1896.

15TH DRIEST MAY ON RECORD (1.70 INCHES).

MOST OCCURRENCES OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO 90 DEGREES (10).
PREVIOUS WAS 9 OCCURRENCES IN 1944.

TIED MOST OCCURRENCES OF MINIMUM TEMPERATURE GREATER THAN OR EQUAL TO 70 DEGREES (9).
TIED WITH 1991.

05/02 - RECORD HIGH MINIMUM 72 DEGREES PREVIOUS 69 DEGREES IN 1892.

05/05 - RECORD HIGH MINIMUM 71 DEGREES PREVIOUS 70 DEGREES IN 1959.

05/06 - RECORD HIGH 92 DEGREES PREVIOUS 91 DEGREES IN 2004 AND 1956.

05/06 - RECORD HIGH MINIMUM 72 DEGREES PREVIOUS 71 DEGREES IN 1986.

05/24 - TIED RECORD HIGH 92 DEGREES WITH 1950...1921...AND 1911.

05/26 - RECORD HIGH MINIMUM 75 DEGREES PREVIOUS 74 DEGREES IN 1914.

05/27 - TIED RECORD HIGH 93 DEGREES WITH 1991 AND 1911.

05/27 - RECORD HIGH MINIMUM 76 DEGREES PREVIOUS 74 DEGREES IN 1914.
IN ADDITION...THIS WAS TIED FOR THE WARMEST MAY MINIMUM TEMPERATURE EVER
WITH 05/28/2012 AND 05/30/1991.

05/28 - RECORD HIGH TEMPERATURE 94 DEGREES PREVIOUS WAS 93 DEGREES IN 2006.

05/28 - RECORD HIGH MINIMUM 76 DEGREES PREVIOUS WAS 74 DEGREES IN 1874.
IN ADDITION...THIS WAS TIED FOR THE WARMEST MAY MINIMUM TEMPERATURE EVER
WITH 05/27/2012 AND 05/30/1991.


$$