596
CDUS43 KLSX 120730
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
230 AM CDT TUE MAY 12 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 11 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 76 423 PM 94 2022 76 0 81
MINIMUM 46 437 AM 35 1907 56 -10 57
AVERAGE 61 66 -5 69
PRECIPITATION (IN)
YESTERDAY 0.00 1.65 1918 0.17 -0.17 0.00
MONTH TO DATE 1.03 1.80 -0.77 1.20
SINCE MAR 1 13.07 10.03 3.04 14.96
SINCE JAN 1 15.49 14.85 0.64 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 4 3 1 0
MONTH TO DATE 65 39 26 45
SINCE MAR 1 559 877 -318 597
SINCE JUL 1 3859 4396 -537 3822
COOLING
YESTERDAY 0 4 -4 4
MONTH TO DATE 9 33 -24 11
SINCE MAR 1 151 77 74 77
SINCE JAN 1 151 78 73 77
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 500 AM
LOWEST 29 200 PM
AVERAGE 58
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 2022
MINIMUM TEMPERATURE (F) 57 39 1960
SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE 552 AM CDT SUNSET 804 PM CDT
MAY 13 2026...........SUNRISE 551 AM CDT SUNSET 805 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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