575
CDUS43 KILX 180628
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
128 AM CDT TUE AUG 18 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 333 PM MM MM 84 -3 90
MINIMUM 66 1136 PM MM MM 64 2 72
AVERAGE 74 74 0 81
PRECIPITATION (IN)
YESTERDAY 0.01 MM MM 0.07 -0.06 0.00
MONTH TO DATE 3.61 1.30 2.31 0.30
SINCE JUN 1 15.57 9.98 5.59 9.59
SINCE JAN 1 33.94 24.05 9.89 24.10
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 13 -13 1
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 9 9 0 16
MONTH TO DATE 205 165 40 191
SINCE JUN 1 774 740 34 912
SINCE JAN 1 903 846 57 969
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 8.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 56 500 PM
AVERAGE 78
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THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 MM MM
MINIMUM TEMPERATURE (F) 64 MM MM
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 609 AM CDT SUNSET 745 PM CDT
AUGUST 19 2026........SUNRISE 609 AM CDT SUNSET 743 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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