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

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CXUS53 KLSX 011514
CLMSTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1014 AM CDT THU JUN 1 2017

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

...THE ST. LOUIS MO CLIMATE SUMMARY FOR THE MONTH OF MAY 2017...

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

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            91   05/18                         91
LOWEST             47   05/05                         45
                        05/03
AVG. MAXIMUM     78.6              76.3     2.3     75.9
AVG. MINIMUM     58.7              57.2     1.5     56.9
MEAN             68.7              66.8     1.9     66.4
DAYS MAX >= 90      3               1.2     1.8        1
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           6.00              4.72    1.28     4.67
DAILY AVG.       0.19              0.15    0.04     0.15
DAYS >= .01        10              11.9    -1.9       12
DAYS >= .10         8               7.6     0.4        8
DAYS >= .50         4               3.1     0.9        4
DAYS >= 1.00        2               1.3     0.7        2
GREATEST
 24 HR. TOTAL    2.51   05/03 TO 05/04

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         3.2              17.7   -14.5     10.9
GREATEST
 24 HR TOTAL      0.0   MM

DEGREE_DAYS
HEATING TOTAL      57                74     -17       83
 SINCE 7/1       3397              4530   -1133     3484
COOLING TOTAL     177               128      49      134
 SINCE 1/1        252               174      78      194
..............................................................

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

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          7


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

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

$$


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