Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KILX 180626
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
126 AM CDT FRI SEP 18 2026
...................................
...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 96 1151 AM MM MM 79 17 90
MINIMUM 75 1156 PM MM MM 56 19 53
AVERAGE 86 67 19 72
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.09 -0.09 0.00
MONTH TO DATE 0.08 1.66 -1.58 0.08
SINCE SEP 1 0.08 1.66 -1.58 0.08
SINCE JAN 1 34.24 26.83 7.41 24.27
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 17 -17 20
SINCE SEP 1 0 17 -17 20
SINCE JUL 1 0 21 -21 24
COOLING
YESTERDAY 21 4 17 7
MONTH TO DATE 244 94 150 88
SINCE SEP 1 244 94 150 88
SINCE JAN 1 1264 1052 212 1129
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1200 AM
LOWEST 43 1200 PM
AVERAGE 67
..........................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 MM MM
MINIMUM TEMPERATURE (F) 55 MM MM
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 637 AM CDT SUNSET 657 PM CDT
SEPTEMBER 19 2026.....SUNRISE 638 AM CDT SUNSET 655 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$