National Weather Service Text Product
AFOS product CLISTL
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISTL
Product Timestamp: 2021-05-12 21:30 UTC
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754
CDUS43 KLSX 122130
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
430 PM CDT WED MAY 12 2021
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 12 2021...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 65 246 PM 92 1956 76 -11 57
MINIMUM 45 555 AM 39 1960 57 -12 48
AVERAGE 55 66 -11 53
PRECIPITATION (IN)
TODAY 0.00 2.18 2002 0.17 -0.17 T
MONTH TO DATE 0.39 1.97 -1.58 1.25
SINCE MAR 1 9.66 10.20 -0.54 10.12
SINCE JAN 1 15.12 15.02 0.10 19.28
SNOWFALL (IN)
TODAY 0.0 0.0 2015 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE MAR 1 0.8 2.5 -1.7 T
SINCE JUL 1 12.9 16.6 -3.7 14.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 10 3 7 12
MONTH TO DATE 83 42 41 95
SINCE MAR 1 740 880 -140 862
SINCE JUL 1 4319 4399 -80 4306
COOLING
TODAY 0 4 -4 0
MONTH TO DATE 19 37 -18 13
SINCE MAR 1 54 81 -27 44
SINCE JAN 1 54 82 -28 44
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57 1200 AM
LOWEST 27 200 PM
AVERAGE 42
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 91 1915
2018
MINIMUM TEMPERATURE (F) 57 40 1938
1971
SUNRISE AND SUNSET
MAY 12 2021...........SUNRISE 552 AM CDT SUNSET 804 PM CDT
MAY 13 2021...........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.
$$