959
CDUS43 KLSX 190733
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
233 AM CDT MON MAY 19 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 18 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 79 317 PM 94 1996 78 1 88
MINIMUM 60 449 AM 39 2002 59 1 64
AVERAGE 70 68 2 76
PRECIPITATION (IN)
YESTERDAY 0.00 2.38 1890 0.15 -0.15 0.00
MONTH TO DATE 1.92 2.89 -0.97 3.38
SINCE MAR 1 15.68 11.12 4.56 13.70
SINCE JAN 1 19.67 15.94 3.73 18.13
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 2 -2 0
MONTH TO DATE 45 55 -10 2
SINCE MAR 1 597 893 -296 545
SINCE JUL 1 3822 4412 -590 3351
COOLING
YESTERDAY 5 5 0 11
MONTH TO DATE 63 65 -2 101
SINCE MAR 1 129 109 20 189
SINCE JAN 1 129 110 19 189
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 100 AM
LOWEST 39 100 PM
AVERAGE 55
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 94 1996
MINIMUM TEMPERATURE (F) 59 40 1894
SUNRISE AND SUNSET
MAY 19 2025...........SUNRISE 546 AM CDT SUNSET 811 PM CDT
MAY 20 2025...........SUNRISE 545 AM CDT SUNSET 812 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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