718
CDUS43 KLSX 182232
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
532 PM CDT FRI APR 18 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 18 2025
VALID AS OF 0500 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 80 136 PM 93 2002 69 11 83
MINIMUM 62 418 AM 29 1953 48 14 53
AVERAGE 71 58 13 68
PRECIPITATION (IN)
TODAY T 2.48 2013 0.16 -0.16 0.99
MONTH TO DATE 5.49 2.68 2.81 5.32
SINCE MAR 1 8.40 6.18 2.22 7.48
SINCE JAN 1 12.39 11.00 1.39 11.91
SNOWFALL (IN)
TODAY 0.0 2.0 1901 0.0 0.0 0.0
MONTH TO DATE 0.0 0.2 -0.2 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 8 -8 0
MONTH TO DATE 176 190 -14 106
SINCE MAR 1 531 766 -235 468
SINCE JUL 1 3756 4285 -529 3274
COOLING
TODAY 6 1 5 3
MONTH TO DATE 17 18 -1 49
SINCE MAR 1 39 25 14 69
SINCE JAN 1 39 26 13 69
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 10.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 400 AM
LOWEST 52 1100 AM
AVERAGE 67
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 1948
2011
2017
MINIMUM TEMPERATURE (F) 48 26 1983
SUNRISE AND SUNSET
APRIL 18 2025.........SUNRISE 620 AM CDT SUNSET 742 PM CDT
APRIL 19 2025.........SUNRISE 619 AM CDT SUNSET 743 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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