472
CXUS53 KLSX 011535
CLMCOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
935 AM CST WED JAN 01 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             76   12/08/1991
 LOW             -23   12/20/1901
HIGHEST           60   12/08                          68
LOWEST            10   12/03                          18
AVG. MAXIMUM    45.9               43.6     2.3     49.7
AVG. MINIMUM    29.0               26.7     2.3     34.8
MEAN            37.5               35.2     2.3     42.2
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     4                6.3    -2.3        0
DAYS MIN <= 32    19               23.7    -4.7       13
DAYS MIN <= 0      0                0.4    -0.4        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.82   1895
 MINIMUM        0.19   1955
TOTALS          2.43               2.09    0.34     2.90
DAILY AVG.      0.08               0.07    0.01     0.09
DAYS >= .01        5                7.8    -2.8       14
DAYS >= .10        2                4.2    -2.2       10
DAYS >= .50        1                1.3    -0.3        2
DAYS >= 1.00       1                0.5     0.5        0
GREATEST
 24 HR. TOTAL   2.05   12/14 TO 12/14

SNOWFALL (INCHES)
RECORDS
 TOTAL          17.8   1973
 24 HR TOTAL    13.0   12/01/2006 TO 12/01/2006
TOTALS             T                3.4    -3.4      2.0
SINCE 7/1        3.2                4.2    -1.0       MM
DAYS >= 1.0        0                                   2
GREATEST
 SNOW DEPTH        3R  12/01
                       12/02
                       12/03
 24 HR TOTAL       T   12/11 TO 12/11

DEGREE DAYS
HEATING TOTAL    847                925     -78      698
 SINCE 7/1      1520               1833    -313       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1500               1447      53       MM
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    32/320    DATE  12/04
HIGHEST GUST SPEED/DIRECTION    45/320    DATE  12/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         10


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      5
HAZE                      0

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

...DAILY...

RECORD PRECIPITATION VALUE OF 2.05 INCHES SET ON 12/14. PREVIOUS
1.25 IN 1975.

$$