918
CDUS43 KLSX 182240
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
540 PM CDT MON MAY 18 2026
...............................
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR MAY 18 2026
VALID AS OF 0500 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 76 1242 AM 91 1962 76 0 78
MINIMUM 63 1017 AM 35 2002 56 7 56
AVERAGE 70 66 4 67
PRECIPITATION (IN)
TODAY 1.70 3.10 1929 0.15 1.55 0.00
MONTH TO DATE 3.46 2.91 0.55 0.75
SINCE MAR 1 15.83 10.76 5.07 9.73
SINCE JAN 1 17.67 15.00 2.67 11.55
SNOWFALL (IN)
TODAY MM 0.0 2015 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 86 69 17 52
SINCE MAR 1 643 950 -307 677
SINCE JUL 1 4074 4655 -581 4309
COOLING
TODAY 5 4 1 2
MONTH TO DATE 32 48 -16 35
SINCE MAR 1 120 80 40 80
SINCE JAN 1 120 80 40 80
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 56 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 71 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 13.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1000 AM
LOWEST 81 500 AM
AVERAGE 91
......................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 1996
1998
MINIMUM TEMPERATURE (F) 57 37 1894
1925
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 554 AM CDT SUNSET 817 PM CDT
MAY 19 2026...........SUNRISE 553 AM CDT SUNSET 818 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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