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

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490
CXUS53 KLSX 011346
CLMCOU


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
828 AM CDT SUN OCT 1 2017

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

...THE COLUMBIA MO CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             104   09/14/1893
 LOW               26   09/30/1895
HIGHEST            92   09/20                         93
                        09/04
LOWEST             46   09/07                         50
AVG. MAXIMUM     83.6              78.8     4.8     82.5
AVG. MINIMUM     59.2              56.4     2.8     61.8
MEAN             71.4              67.6     3.8     72.2
DAYS MAX >= 90      6               2.5     3.5        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        12.06   1993
 MINIMUM         0.09   1940
TOTALS           1.92              3.87   -1.95     7.33
DAILY AVG.       0.06              0.13   -0.07     0.24
DAYS >= .01         2               8.1    -6.1        6
DAYS >= .10         2               5.6    -3.6        4
DAYS >= .50         1               2.6    -1.6        4
DAYS >= 1.00        1               1.3    -0.3        3
GREATEST
 24 HR. TOTAL    1.57   09/18 TO 09/18              3.45

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
GREATEST
 24 HR TOTAL      0.0   09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL      11                66     -55        9
 SINCE 7/1         14                68     -54        9
COOLING TOTAL     213               144      69      232
 SINCE 1/1       1327              1227     100     1543
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    31/230    DATE  09/18
HIGHEST GUST SPEED/DIRECTION    38/260    DATE  09/18

SKY COVER
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          0


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

...MONTHLY...

TIED LEAST NUMBER OF DAYS WITH MEASURABLE RAINFALL (2 DAYS).

...DAILY...

RECORD HIGH MINIMUM TEMPERATURE OF 71 DEGREES TIED ON 9/22. ALSO
SET IN 2005.

$$




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