489
CDUS43 KLSX 110728
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT SUN MAY 11 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 10 2025
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)
YESTERDAY
MAXIMUM 78 220 PM 91 1928 75 3 74
1963
MINIMUM 50 544 AM 31 1966 56 -6 56
AVERAGE 64 66 -2 65
PRECIPITATION (IN)
YESTERDAY 0.00 2.22 1921 0.15 -0.15 0.00
MONTH TO DATE 1.19 1.63 -0.44 2.03
SINCE MAR 1 14.95 9.86 5.09 12.35
SINCE JAN 1 18.94 14.68 4.26 16.78
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 0.3 2.5 -2.2 T
SINCE JUL 1 18.6 16.6 2.0 9.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 3 -2 0
MONTH TO DATE 45 36 9 2
SINCE MAR 1 597 874 -277 545
SINCE JUL 1 3822 4393 -571 3351
COOLING
YESTERDAY 0 4 -4 0
MONTH TO DATE 7 29 -22 51
SINCE MAR 1 73 73 0 139
SINCE JAN 1 73 74 -1 139
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 3.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 500 AM
LOWEST 24 200 PM
AVERAGE 52
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THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 94 2022
MINIMUM TEMPERATURE (F) 56 35 1907
SUNRISE AND SUNSET
MAY 11 2025...........SUNRISE 553 AM CDT SUNSET 804 PM CDT
MAY 12 2025...........SUNRISE 552 AM CDT SUNSET 805 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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