


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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552 CDUS43 KLSX 180727 CLIUIN CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 227 AM CDT MON AUG 18 2025 ................................... ...THE QUINCY IL CLIMATE SUMMARY FOR AUGUST 17 2025... 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) YESTERDAY MAXIMUM 92 1050 AM 106 1936 85 7 81 MINIMUM 74 538 PM 52 2012 65 9 67 AVERAGE 83 75 8 74 PRECIPITATION (IN) YESTERDAY 0.66 3.07 2009 0.13 0.53 0.00 MONTH TO DATE 1.19 2.05 -0.86 1.70 SINCE JUN 1 11.24 10.04 1.20 9.09 SINCE JAN 1 21.22 24.20 -2.98 25.06 DEGREE DAYS HEATING YESTERDAY 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 YESTERDAY 18 10 8 9 MONTH TO DATE 186 178 8 165 SINCE JUN 1 874 773 101 863 SINCE JAN 1 955 876 79 992 ................................................................... WIND (MPH) HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 4.5 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 500 AM LOWEST 63 100 PM AVERAGE 77 .......................................................... THE QUINCY IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 104 1936 MINIMUM TEMPERATURE (F) 65 50 2012 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. $$