759
CDUS43 KLSX 180728
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT SUN MAY 18 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 17 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 76 300 PM 94 1996 77 -1 84
MINIMUM 61 1144 PM 40 1973 58 3 66
AVERAGE 69 68 1 75
PRECIPITATION (IN)
YESTERDAY 0.00 3.95 1995 0.15 -0.15 T
MONTH TO DATE 1.92 2.74 -0.82 3.38
SINCE MAR 1 15.68 10.97 4.71 13.70
SINCE JAN 1 19.67 15.79 3.88 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 53 -8 2
SINCE MAR 1 597 891 -294 545
SINCE JUL 1 3822 4410 -588 3351
COOLING
YESTERDAY 4 5 -1 10
MONTH TO DATE 58 60 -2 90
SINCE MAR 1 124 104 20 178
SINCE JAN 1 124 105 19 178
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 12.8
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 1100 PM
LOWEST 39 200 AM
AVERAGE 53
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 94 1996
MINIMUM TEMPERATURE (F) 59 39 2002
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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