327
CDUS43 KLSX 182126
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
426 PM CDT SUN MAY 18 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 18 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 78 259 PM 94 1996 78 0 88
MINIMUM 60 449 AM 39 2002 59 1 64
AVERAGE 69 68 1 76
PRECIPITATION (IN)
TODAY 0.00 2.38 1890 0.15 -0.15 0.00
MONTH TO DATE 1.92 2.89 -0.97 3.38
SINCE MAR 1 15.68 11.12 4.56 13.70
SINCE JAN 1 19.67 15.94 3.73 18.13
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 2 -2 0
MONTH TO DATE 45 55 -10 2
SINCE MAR 1 597 893 -296 545
SINCE JUL 1 3822 4412 -590 3351
COOLING
TODAY 4 5 -1 11
MONTH TO DATE 62 65 -3 101
SINCE MAR 1 128 109 19 189
SINCE JAN 1 128 110 18 189
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 100 AM
LOWEST 39 100 PM
AVERAGE 55
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 94 1996
MINIMUM TEMPERATURE (F) 59 40 1894
SUNRISE AND SUNSET
MAY 18 2025...........SUNRISE 547 AM CDT SUNSET 810 PM CDT
MAY 19 2025...........SUNRISE 546 AM CDT SUNSET 811 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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