849
CDUS43 KLSX 150728
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT THU MAY 15 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 14 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 85 342 PM 93 2013 76 9 72
MINIMUM 63 505 AM 37 1920 57 6 64
AVERAGE 74 67 7 68
PRECIPITATION (IN)
YESTERDAY 0.00 3.33 1886 0.16 -0.16 1.20
MONTH TO DATE 1.28 2.29 -1.01 3.25
SINCE MAR 1 15.04 10.52 4.52 13.57
SINCE JAN 1 19.03 15.34 3.69 18.00
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 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 47 -2 2
SINCE MAR 1 597 885 -288 545
SINCE JUL 1 3822 4404 -582 3351
COOLING
YESTERDAY 9 4 5 3
MONTH TO DATE 31 45 -14 70
SINCE MAR 1 97 89 8 158
SINCE JAN 1 97 90 7 158
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 10.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 600 AM
LOWEST 55 1200 PM
AVERAGE 71
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 1944
MINIMUM TEMPERATURE (F) 58 39 1959
SUNRISE AND SUNSET
MAY 15 2025...........SUNRISE 549 AM CDT SUNSET 807 PM CDT
MAY 16 2025...........SUNRISE 548 AM CDT SUNSET 808 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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