Climatological Report (Daily)
Issued by NWS
Issued by NWS
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337
CDUS43 KLSX 182226
CLIUIN
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
526 PM CDT MON AUG 18 2025
...................................
...THE QUINCY IL CLIMATE SUMMARY FOR AUGUST 18 2025...
VALID AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1901 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 92 359 PM 104 1936 85 7 83
MINIMUM 72 346 AM 50 2012 65 7 66
AVERAGE 82 74 8 75
PRECIPITATION (IN)
TODAY 0.00 1.94 1906 0.13 -0.13 0.00
MONTH TO DATE 1.19 2.18 -0.99 1.70
SINCE JUN 1 11.24 10.17 1.07 9.09
SINCE JAN 1 21.22 24.33 -3.11 25.06
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 1 14 -13 0
SINCE JUL 1 0 1 -1 0
COOLING
TODAY 17 10 7 10
MONTH TO DATE 203 188 15 175
SINCE JUN 1 891 783 108 873
SINCE JAN 1 972 886 86 1002
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.5
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 400 AM
LOWEST 61 100 PM
AVERAGE 78
..........................................................
THE QUINCY IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 106 1936
MINIMUM TEMPERATURE (F) 64 46 1950
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 620 AM CDT SUNSET 757 PM CDT
AUGUST 19 2025........SUNRISE 621 AM CDT SUNSET 755 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$