799
CDUS43 KLSX 100727
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
227 AM CDT SUN MAY 10 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 9 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 443 PM 92 1895 75 5 72
1934
MINIMUM 55 136 AM 35 1966 56 -1 50
AVERAGE 68 65 3 61
PRECIPITATION (IN)
YESTERDAY 0.10 2.09 1949 0.16 -0.06 0.00
MONTH TO DATE 1.03 1.48 -0.45 1.20
SINCE MAR 1 13.07 9.71 3.36 14.96
SINCE JAN 1 15.49 14.53 0.96 18.95
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 T 2.5 -2.5 0.3
SINCE JUL 1 18.5 16.6 1.9 18.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 4
MONTH TO DATE 56 33 23 44
SINCE MAR 1 550 871 -321 596
SINCE JUL 1 3850 4390 -540 3821
COOLING
YESTERDAY 3 4 -1 0
MONTH TO DATE 9 25 -16 7
SINCE MAR 1 151 69 82 73
SINCE JAN 1 151 70 81 73
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 32 300 PM
AVERAGE 66
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 91 1928
1963
MINIMUM TEMPERATURE (F) 56 31 1966
SUNRISE AND SUNSET
MAY 10 2026...........SUNRISE 554 AM CDT SUNSET 802 PM CDT
MAY 11 2026...........SUNRISE 553 AM CDT SUNSET 803 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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