697
CDUS43 KILX 180727
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
127 AM CST THU DEC 18 2025
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 48 1159 PM MM MM 39 9 52
MINIMUM 36 753 AM MM MM 26 10 35
AVERAGE 42 33 9 44
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.06 -0.06 0.06
MONTH TO DATE 0.33 1.01 -0.68 1.07
SINCE DEC 1 0.33 1.01 -0.68 1.07
SINCE JAN 1 29.20 35.17 -5.97 34.27
DEGREE DAYS
HEATING
YESTERDAY 23 32 -9 21
MONTH TO DATE 693 512 181 556
SINCE DEC 1 693 512 181 556
SINCE JUL 1 1538 1555 -17 1343
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1273 1117 156 1091
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 8.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 600 PM
LOWEST 55 1200 AM
AVERAGE 67
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THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 MM MM
MINIMUM TEMPERATURE (F) 26 MM MM
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 708 AM CST SUNSET 431 PM CST
DECEMBER 19 2025......SUNRISE 709 AM CST SUNSET 432 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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