410
CDUS43 KLSX 170735
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
235 AM CDT SAT MAY 17 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 16 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 87 1239 PM 93 2001 77 10 76
MINIMUM 61 439 AM 39 1875 58 3 63
AVERAGE 74 68 6 70
PRECIPITATION (IN)
YESTERDAY 0.64 5.59 1995 0.15 0.49 0.13
MONTH TO DATE 1.92 2.59 -0.67 3.38
SINCE MAR 1 15.68 10.82 4.86 13.70
SINCE JAN 1 19.67 15.64 4.03 18.13
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 0 2 -2 0
MONTH TO DATE 45 51 -6 2
SINCE MAR 1 597 889 -292 545
SINCE JUL 1 3822 4408 -586 3351
COOLING
YESTERDAY 9 5 4 5
MONTH TO DATE 54 55 -1 80
SINCE MAR 1 120 99 21 168
SINCE JAN 1 120 100 20 168
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WIND (MPH)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 200 PM
LOWEST 30 800 PM
AVERAGE 57
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THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 1996
MINIMUM TEMPERATURE (F) 58 40 1973
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 547 AM CDT SUNSET 809 PM CDT
MAY 18 2025...........SUNRISE 547 AM CDT SUNSET 810 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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