663
CDUS43 KLSX 232133
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
433 PM CDT FRI MAY 23 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 23 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 73 223 PM 92 1950 79 -6 83
2010
MINIMUM 49 428 AM 39 1931 60 -11 64
AVERAGE 61 70 -9 74
PRECIPITATION (IN)
TODAY 0.00 2.02 1971 0.14 -0.14 0.13
MONTH TO DATE 3.42 3.63 -0.21 3.94
SINCE MAR 1 17.18 11.86 5.32 14.26
SINCE JAN 1 21.17 16.68 4.49 18.69
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 0.3 2.5 -2.2 T
SINCE JUL 1 18.6 16.6 2.0 9.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 4 1 3 0
MONTH TO DATE 52 64 -12 2
SINCE MAR 1 604 902 -298 545
SINCE JUL 1 3829 4421 -592 3351
COOLING
TODAY 0 6 -6 9
MONTH TO DATE 84 94 -10 163
SINCE MAR 1 150 138 12 251
SINCE JAN 1 150 139 11 251
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 3.1
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 400 AM
LOWEST 33 200 PM
AVERAGE 58
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 92 1950
2012
2019
MINIMUM TEMPERATURE (F) 61 40 1961
SUNRISE AND SUNSET
MAY 23 2025...........SUNRISE 543 AM CDT SUNSET 814 PM CDT
MAY 24 2025...........SUNRISE 542 AM CDT SUNSET 815 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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