600
CDUS43 KLSX 200738
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
238 AM CDT TUE MAY 20 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 19 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 85 300 PM 94 1996 78 7 91
MINIMUM 68 535 AM 40 1894 59 9 70
AVERAGE 77 68 9 81
PRECIPITATION (IN)
YESTERDAY 1.47 2.14 1915 0.15 1.32 0.00
MONTH TO DATE 3.39 3.04 0.35 3.38
SINCE MAR 1 17.15 11.27 5.88 13.70
SINCE JAN 1 21.14 16.09 5.05 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 57 -12 2
SINCE MAR 1 597 895 -298 545
SINCE JUL 1 3822 4414 -592 3351
COOLING
YESTERDAY 12 5 7 16
MONTH TO DATE 75 70 5 117
SINCE MAR 1 141 114 27 205
SINCE JAN 1 141 115 26 205
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 13.2
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
HAIL
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 1000 PM
LOWEST 56 1200 PM
AVERAGE 74
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 93 1902
MINIMUM TEMPERATURE (F) 59 41 1894
1981
SUNRISE AND SUNSET
MAY 20 2025...........SUNRISE 545 AM CDT SUNSET 812 PM CDT
MAY 21 2025...........SUNRISE 544 AM CDT SUNSET 812 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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