947
CDUS43 KILX 170644
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
144 AM CDT SUN MAY 17 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR MAY 16 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 75 340 PM MM MM 74 1 84
MINIMUM 64 821 PM MM MM 54 10 62
AVERAGE 70 64 6 73
PRECIPITATION (IN)
YESTERDAY 0.07 MM MM 0.12 -0.05 0.57
MONTH TO DATE 2.54 2.16 0.38 2.89
SINCE MAR 1 15.37 8.52 6.85 12.18
SINCE JAN 1 17.28 12.37 4.91 13.54
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 126 85 41 73
SINCE MAR 1 808 1136 -328 852
SINCE JUL 1 4690 5246 -556 4785
COOLING
YESTERDAY 5 3 2 8
MONTH TO DATE 5 29 -24 34
SINCE MAR 1 68 44 24 43
SINCE JAN 1 68 44 24 43
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1100 PM
LOWEST 64 200 PM
AVERAGE 79
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THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 MM MM
MINIMUM TEMPERATURE (F) 54 MM MM
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 537 AM CDT SUNSET 802 PM CDT
MAY 18 2026...........SUNRISE 537 AM CDT SUNSET 803 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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