655
CDUS43 KLSX 172129
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
429 PM CDT SUN AUG 17 2025
...............................
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 17 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 97 1228 PM 106 1936 88 9 87
MINIMUM 74 551 AM 48 1897 67 7 68
AVERAGE 86 77 9 78
PRECIPITATION (IN)
TODAY 0.00 1.91 1970 0.14 -0.14 0.00
MONTH TO DATE 0.07 2.20 -2.13 2.85
SINCE JUN 1 13.29 10.56 2.73 18.59
SINCE JAN 1 26.55 27.42 -0.87 34.53
SNOWFALL (IN)
TODAY 0.0 0.0 2015 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 6 -6 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 21 12 9 13
MONTH TO DATE 218 226 -8 184
SINCE JUN 1 952 939 13 916
SINCE JAN 1 1043 1085 -42 1104
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 300 AM
LOWEST 43 1200 PM
AVERAGE 67
......................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 106 1936
MINIMUM TEMPERATURE (F) 67 47 1890
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 625 AM CDT SUNSET 800 PM CDT
AUGUST 18 2025........SUNRISE 626 AM CDT SUNSET 759 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page