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

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CXUS53 KLSX 011755
CLMCOU


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1224 PM CDT FRI JUN 1 2018

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

...THE COLUMBIA MO CLIMATE SUMMARY FOR THE MONTH OF MAY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             101   05/31/1934
 LOW               28   05/04/1907
HIGHEST            94   05/28                         85
                        05/27
LOWEST             55   05/05                         41
AVG. MAXIMUM     84.5              74.5    10.0     75.5
AVG. MINIMUM     63.2              53.5     9.7     54.2
MEAN             73.9              64.0     9.9     64.8
DAYS MAX >= 90      3               0.3     2.7        0
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        13.30   1943
 MINIMUM         0.35   1901
TOTALS           2.89              4.98   -2.09     6.71
DAILY AVG.       0.09              0.16   -0.07     0.22
DAYS >= .01         9              12.5    -3.5        9
DAYS >= .10         6               7.9    -1.9        7
DAYS >= .50         1               3.5    -2.5        4
DAYS >= 1.00        1               1.1    -0.1        3
GREATEST
 24 HR. TOTAL    1.44   05/20 TO 05/20              2.00

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   2013
                        1999
                        1953
 24 HR TOTAL        T   05/02/2013 TO 05/02/2013
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         4.1              18.0   -13.9      1.6
GREATEST
 24 HR TOTAL      0.0   05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL       0               109    -109       86
 SINCE 7/1       4769              5012    -243     3816
COOLING TOTAL     282                78     204       88
 SINCE 1/1        295               103     192      134
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    31/240    DATE  05/19
HIGHEST GUST SPEED/DIRECTION    42/230    DATE  05/19

SKY COVER
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          0


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      3
HAZE                      3

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
T  INDICATES TRACE AMOUNT.

...MONTHLY...

WARMEST MAY ON RECORD (73.9 DEGREES; PREVIOUS WARMEST 72.8 DEGREES
IN 1962).

2ND MOST OCCURRENCES OF A HIGH TEMPERATURE GREATER THAN OR EQUAL TO
80 DEGREES (25 DAYS).

MOST OCCURRENCES OF A LOW TEMPERATURE GREATER THAN OR EQUAL TO 60
DEGREES (24 DAYS; PREVIOUS MOST 22 DAYS LAST SET IN 2007).

LEAST OCCURRENCES OF A LOW TEMPERATURE LESS THAN OR EQUAL TO 50
DEGREES (0 DAYS; PREVIOUS RECORD 2 DAYS SET IN 1962).

...DAILY...

2 RECORD HIGH TEMPERATURES (05/27 AND 05/28).

1 RECORD HIGH MINIMUM TEMPERATURE TIED (68 DEGREES ON 05/13;
PREVIOUSLY SET IN 1970).
$$




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