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000
CXUS53 KLSX 012223 CCA
CLMSTL

CLIMATE REPORT
...CORRECTION...
NATIONAL WEATHER SERVICE ST LOUIS MO
1125 AM CDT MON APR 1 2013

...CORRECTION FOR NUMBER OF THUNDERSTORM DAYS...

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

...THE ST. LOUIS MO CLIMATE SUMMARY FOR THE MONTH OF MARCH 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              92   03/24/1929
 LOW               -5   03/05/1960
HIGHEST            73   03/15                         86
LOWEST             19   03/03                         27
AVG. MAXIMUM     48.9              55.9    -7.0     72.1
AVG. MINIMUM     32.0              36.6    -4.6     50.1
MEAN             40.5              46.3    -5.8     61.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.7    -0.7        0
DAYS MIN <= 32     19              10.5     8.5        3
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.39   2008
 MINIMUM         0.14   1910
TOTALS           4.95              3.32    1.63     3.33
DAILY AVG.       0.16              0.11    0.05     0.11
DAYS >= .01        14              10.3     3.7       11
DAYS >= .10         6               6.7    -0.7        9
DAYS >= .50         3               2.2     0.8        2
DAYS >= 1.00        3               0.5     2.5        1
GREATEST
 24 HR. TOTAL    1.35   03/10

SNOWFALL (INCHES)
RECORDS
 TOTAL           28.8   1912
 24 HR TOTAL     20.4U  03/30/1890 TO 03/31/1890
TOTALS           14.3               2.3    12.0        T
SINCE 7/1        27.9              17.3    10.6      6.3
GREATEST
 24 HR TOTAL     12.4   03/24/2013

DEGREE_DAYS
HEATING TOTAL     753               588     165      191
 SINCE 7/1       4070              4186    -116     3093
COOLING TOTAL       0                 7      -7       80
 SINCE 1/1          0                 7      -7       80
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    32/280    DATE  03/05
HIGHEST GUST SPEED/DIRECTION    44/310    DATE  03/05

SKY COVER
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY         13


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW               12     SLEET                      4
FOG                      15     FOG W/VIS <= 1/4 MILE      1
HAZE                      7

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

$$

...MONTHLY...

-- 9TH SNOWIEST MARCH ON RECORD (14.3 INCHES).

-- 12.4 INCHES OF SNOWFALL ON 03/24 WAS SNOWIEST CALENDAR DAY ON RECORD
   FOR THE MONTH OF MARCH (PREVIOUS WAS 12.1 INCHES ON 03/24/1912). IN
   ADDITION...THIS WAS THE 2ND SNOWIEST CALENDAR DAY ON RECORD DATING BACK
   TO 1891.

-- 23RD WETTEST MARCH ON RECORD (4.95 INCHES).


...DAILY...

-- A RECORD SNOWFALL OF 12.4 INCHES WAS SET AT SAINT LOUIS INTERNATIONAL
   AIRPORT ON SUNDAY MARCH 24TH. THIS BREAKS THE OLD RECORD OF 12.1 INCHES
   IN 1912.

-- 12.7 INCH 24-HR TOTAL (7AM 03/24 TO 7AM 03/25) WAS 6TH SNOWIEST 24-HR
   PERIOD IN ST. LOUIS DATING BACK TO 1891.