663
CDUS43 KILX 190641
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
141 AM CDT TUE MAY 19 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR MAY 18 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 76 845 AM MM MM 75 1 76
MINIMUM 63 1021 PM MM MM 55 8 49
AVERAGE 70 65 5 63
PRECIPITATION (IN)
YESTERDAY 0.92 MM MM 0.12 0.80 0.00
MONTH TO DATE 3.46 2.40 1.06 2.89
SINCE MAR 1 16.29 8.76 7.53 12.18
SINCE JAN 1 18.20 12.61 5.59 13.54
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 2
MONTH TO DATE 126 93 33 78
SINCE MAR 1 808 1144 -336 857
SINCE JUL 1 4690 5254 -564 4790
COOLING
YESTERDAY 5 3 2 0
MONTH TO DATE 19 35 -16 34
SINCE MAR 1 82 50 32 43
SINCE JAN 1 82 50 32 43
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1100 AM
LOWEST 66 100 AM
AVERAGE 82
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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 19 2026...........SUNRISE 536 AM CDT SUNSET 804 PM CDT
MAY 20 2026...........SUNRISE 535 AM CDT SUNSET 805 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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