Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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066
CDUS43 KLSX 120729
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT MON MAY 12 2025
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 11 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 81 256 PM 94 2022 76 5 79
MINIMUM 57 525 AM 35 1907 56 1 55
AVERAGE 69 66 3 67
PRECIPITATION (IN)
YESTERDAY 0.00 1.65 1918 0.17 -0.17 0.00
MONTH TO DATE 1.19 1.80 -0.61 2.03
SINCE MAR 1 14.95 10.03 4.92 12.35
SINCE JAN 1 18.94 14.85 4.09 16.78
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 3 -3 0
MONTH TO DATE 45 39 6 2
SINCE MAR 1 597 877 -280 545
SINCE JUL 1 3822 4396 -574 3351
COOLING
YESTERDAY 4 4 0 2
MONTH TO DATE 11 33 -22 53
SINCE MAR 1 77 77 0 141
SINCE JAN 1 77 78 -1 141
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 7.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 200 AM
LOWEST 33 300 PM
AVERAGE 50
..........................................................
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 2025...........SUNRISE 552 AM CDT SUNSET 805 PM CDT
MAY 13 2025...........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.
$$