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

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CXUS53 KLSX 011655
CLMSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1119 AM CDT WED NOV 1 2017

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

...THE ST. LOUIS MO CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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              94   10/03/2006
                        10/11/1963
                        10/02/1953
 LOW               21   10/30/1925
HIGHEST            89   10/14                         91
LOWEST             30   10/31                         41
                        10/29
AVG. MAXIMUM     71.1              68.5     2.6     75.3
AVG. MINIMUM     52.0              49.0     3.0     55.8
MEAN             61.6              58.7     2.9     65.5
DAYS MAX >= 90      0               0.1    -0.1        1
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      2               0.7     1.3        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.38   2009
 MINIMUM         0.21   1975
                        1908
TOTALS           3.71              3.33    0.38     3.15
DAILY AVG.       0.12              0.11    0.01     0.10
DAYS >= .01        12               8.7     3.3        4
DAYS >= .10         6               5.7     0.3        2
DAYS >= .50         3               2.3     0.7        2
DAYS >= 1.00        1               0.8     0.2        1
GREATEST
 24 HR. TOTAL    1.72   10/09 TO 10/09

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.3   1913
 24 HR TOTAL      0.3   10/29/1913 TO 10/29/1913
TOTALS              T               0.0     0.0      0.0
SINCE 7/1           T               0.0     0.0      0.0
GREATEST
 24 HR TOTAL        T   10/31 TO 10/31

DEGREE_DAYS
HEATING TOTAL     195               235     -40       87
 SINCE 7/1        202               276     -74       91
COOLING TOTAL      95                41      54      110
 SINCE 1/1       1959              1642     317     2139
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    31/230    DATE  10/07
HIGHEST GUST SPEED/DIRECTION    42/250    DATE  10/07

SKY COVER
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         12


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                3     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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



...MONTHLY...

2ND MOST OCCURENCES OF A MINIMUM TEMPERATURE GREATER TAAN OR EQUAL
TO 70 DEGREES ( 4 DAYS)


...DAILY...

1 RECORD RAINFALL VALUE SET (1.72 INCHES ON 10/09. PREVIOUS 1.45
INCHES IN 1958).

3 DAILY SNOWFALL RECORDS TIED (10/31, 10/28, 10/27)
$$



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