671
CDUS43 KLSX 272127
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
427 PM CDT TUE MAY 27 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 27 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 76 143 PM 96 2018 80 -4 82
MINIMUM 63 942 AM 38 1961 62 1 63
AVERAGE 70 71 -1 73
PRECIPITATION (IN)
TODAY T 2.23 1896 0.15 -0.15 0.09
MONTH TO DATE 3.48 4.21 -0.73 5.98
SINCE MAR 1 17.24 12.44 4.80 16.30
SINCE JAN 1 21.23 17.26 3.97 20.73
SNOWFALL (IN)
TODAY 0.0 T 2018 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 1 -1 0
MONTH TO DATE 54 68 -14 2
SINCE MAR 1 606 906 -300 545
SINCE JUL 1 3831 4425 -594 3351
COOLING
TODAY 5 7 -2 8
MONTH TO DATE 90 120 -30 204
SINCE MAR 1 156 164 -8 292
SINCE JAN 1 156 165 -9 292
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 1000 AM
LOWEST 42 1200 AM
AVERAGE 49
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 94 2012
MINIMUM TEMPERATURE (F) 62 42 1971
SUNRISE AND SUNSET
MAY 27 2025...........SUNRISE 541 AM CDT SUNSET 817 PM CDT
MAY 28 2025...........SUNRISE 540 AM CDT SUNSET 818 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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