862
CDUS43 KILX 180632
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
132 AM CDT MON MAY 18 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR MAY 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 83 MM MM MM 74 9 69
MINIMUM 65 MM MM MM 54 11 54
AVERAGE 74 64 10 62
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.12 -0.12 0.00
MONTH TO DATE 2.54 2.28 0.26 2.89
SINCE MAR 1 15.37 8.64 6.73 12.18
SINCE JAN 1 17.28 12.49 4.79 13.54
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 3
MONTH TO DATE 126 89 37 76
SINCE MAR 1 808 1140 -332 855
SINCE JUL 1 4690 5250 -560 4788
COOLING
YESTERDAY 9 3 6 0
MONTH TO DATE 14 32 -18 34
SINCE MAR 1 77 47 30 43
SINCE JAN 1 77 47 30 43
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 12.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 51 900 PM
AVERAGE 74
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THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 MM MM
MINIMUM TEMPERATURE (F) 55 MM MM
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 537 AM CDT SUNSET 803 PM CDT
MAY 19 2026...........SUNRISE 536 AM CDT SUNSET 804 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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