525
CDUS43 KLSX 122242
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
542 PM CDT MON MAY 12 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 12 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 72 347 PM 93 2022 76 -4 84
MINIMUM 64 509 AM 39 1960 57 7 59
AVERAGE 68 66 2 72
PRECIPITATION (IN)
TODAY 0.04 2.18 2002 0.17 -0.13 0.00
MONTH TO DATE 1.23 1.97 -0.74 2.03
SINCE MAR 1 14.99 10.20 4.79 12.35
SINCE JAN 1 18.98 15.02 3.96 16.78
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 0 3 -3 0
MONTH TO DATE 45 42 3 2
SINCE MAR 1 597 880 -283 545
SINCE JUL 1 3822 4399 -577 3351
COOLING
TODAY 3 4 -1 7
MONTH TO DATE 14 37 -23 60
SINCE MAR 1 80 81 -1 148
SINCE JAN 1 80 82 -2 148
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 100 PM
LOWEST 53 1200 AM
AVERAGE 67
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 91 1915
2018
MINIMUM TEMPERATURE (F) 57 40 1938
1971
SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE 552 AM CDT SUNSET 805 PM CDT
MAY 13 2025...........SUNRISE 551 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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