Climatological Report (Daily)
Issued by NWS
Issued by NWS
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821
CDUS43 KILX 142143
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
443 PM CDT MON SEP 14 2026
...................................
...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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 83 259 PM MM MM 80 3 96
MINIMUM 54 220 AM MM MM 57 -3 66
AVERAGE 69 68 1 81
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.10 -0.10 0.00
MONTH TO DATE 0.08 1.37 -1.29 0.08
SINCE SEP 1 0.08 1.37 -1.29 0.08
SINCE JAN 1 34.24 26.54 7.70 24.27
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 0 11 -11 20
SINCE SEP 1 0 11 -11 20
SINCE JUL 1 0 15 -15 24
COOLING
TODAY 4 5 -1 16
MONTH TO DATE 188 82 106 60
SINCE SEP 1 188 82 106 60
SINCE JAN 1 1208 1040 168 1101
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 31 300 PM
AVERAGE 62
..........................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 MM MM
MINIMUM TEMPERATURE (F) 56 MM MM
SUNRISE AND SUNSET
SEPTEMBER 14 2026.....SUNRISE 633 AM CDT SUNSET 703 PM CDT
SEPTEMBER 15 2026.....SUNRISE 634 AM CDT SUNSET 701 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$