834
CDUS43 KLSX 210748
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
248 AM CDT THU MAY 21 2026
...............................
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR MAY 20 2026
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)
YESTERDAY
MAXIMUM 64 520 PM 92 1902 77 -13 75
MINIMUM 51 601 AM 36 1894 57 -6 56
AVERAGE 58 67 -9 66
PRECIPITATION (IN)
YESTERDAY T 1.48 2013 0.14 -0.14 0.04
MONTH TO DATE 4.68 3.19 1.49 2.03
SINCE MAR 1 17.05 11.04 6.01 11.01
SINCE JAN 1 18.89 15.28 3.61 12.83
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 7 2 5 0
MONTH TO DATE 97 73 24 52
SINCE MAR 1 654 954 -300 677
SINCE JUL 1 4085 4659 -574 4309
COOLING
YESTERDAY 0 4 -4 1
MONTH TO DATE 32 56 -24 42
SINCE MAR 1 120 88 32 87
SINCE JAN 1 120 88 32 87
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 8.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1100 PM
LOWEST 65 400 PM
AVERAGE 78
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THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 93 1956
MINIMUM TEMPERATURE (F) 57 37 1892
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 552 AM CDT SUNSET 820 PM CDT
MAY 22 2026...........SUNRISE 551 AM CDT SUNSET 821 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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