Climatological Report (Daily)
Issued by NWS
Issued by NWS
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854
CDUS43 KILX 122131
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
431 PM CDT SAT SEP 12 2026
...................................
...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 91 250 PM MM MM 80 11 88
MINIMUM 70 709 AM MM MM 57 13 58
AVERAGE 81 69 12 73
PRECIPITATION (IN)
TODAY T MM MM 0.10 -0.10 0.00
MONTH TO DATE 0.08 1.17 -1.09 0.08
SINCE SEP 1 0.08 1.17 -1.09 0.08
SINCE JAN 1 34.24 26.34 7.90 24.27
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 8 -8 20
SINCE SEP 1 0 8 -8 20
SINCE JUL 1 0 12 -12 24
COOLING
TODAY 16 5 11 8
MONTH TO DATE 177 72 105 30
SINCE SEP 1 177 72 105 30
SINCE JAN 1 1197 1030 167 1071
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 600 AM
LOWEST 35 300 PM
AVERAGE 66
..........................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 MM MM
MINIMUM TEMPERATURE (F) 57 MM MM
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 632 AM CDT SUNSET 706 PM CDT
SEPTEMBER 13 2026.....SUNRISE 633 AM CDT SUNSET 705 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$