Climatological Report (Daily)
Issued by NWS
Issued by NWS
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959
CDUS43 KILX 200641
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
141 AM CDT SUN SEP 20 2026
...................................
...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 92 301 PM MM MM 78 14 89
MINIMUM 70 356 AM MM MM 55 15 62
AVERAGE 81 66 15 76
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.10 -0.10 T
MONTH TO DATE 0.08 1.85 -1.77 0.08
SINCE SEP 1 0.08 1.85 -1.77 0.08
SINCE JAN 1 34.24 27.02 7.22 24.27
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 21 -21 20
SINCE SEP 1 0 21 -21 20
SINCE JUL 1 0 25 -25 24
COOLING
YESTERDAY 16 4 12 11
MONTH TO DATE 277 102 175 107
SINCE SEP 1 277 102 175 107
SINCE JAN 1 1297 1060 237 1148
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 200 AM
LOWEST 49 300 PM
AVERAGE 73
..........................................................
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 20 2026.....SUNRISE 639 AM CDT SUNSET 653 PM CDT
SEPTEMBER 21 2026.....SUNRISE 640 AM CDT SUNSET 652 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$