670
CDUS43 KLSX 172139
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
439 PM CDT SUN MAY 17 2026
...............................
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR MAY 17 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84 258 PM 91 1996 76 8 75
MINIMUM 66 337 AM 35 1895 56 10 56
AVERAGE 75 66 9 66
PRECIPITATION (IN)
TODAY 0.00 4.78 1995 0.15 -0.15 0.00
MONTH TO DATE 1.76 2.76 -1.00 0.75
SINCE MAR 1 14.13 10.61 3.52 9.73
SINCE JAN 1 15.97 14.85 1.12 11.55
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 MAR 1 0.9 1.7 -0.8 0.4
SINCE JUL 1 9.2 16.5 -7.3 18.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 86 66 20 52
SINCE MAR 1 643 947 -304 677
SINCE JUL 1 4074 4652 -578 4309
COOLING
TODAY 10 4 6 1
MONTH TO DATE 27 44 -17 33
SINCE MAR 1 115 76 39 78
SINCE JAN 1 115 76 39 78
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 13.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 300 AM
LOWEST 55 200 PM
AVERAGE 71
......................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 91 1962
MINIMUM TEMPERATURE (F) 56 35 2002
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 555 AM CDT SUNSET 816 PM CDT
MAY 18 2026...........SUNRISE 554 AM CDT SUNSET 817 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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