Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KILX 190627
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
127 AM CDT SAT SEP 19 2026
...................................
...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 93 135 PM MM MM 78 15 92
MINIMUM 70 1038 PM MM MM 55 15 54
AVERAGE 82 67 15 73
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.09 -0.09 0.00
MONTH TO DATE 0.08 1.75 -1.67 0.08
SINCE SEP 1 0.08 1.75 -1.67 0.08
SINCE JAN 1 34.24 26.92 7.32 24.27
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 19 -19 20
SINCE SEP 1 0 19 -19 20
SINCE JUL 1 0 23 -23 24
COOLING
YESTERDAY 17 4 13 8
MONTH TO DATE 261 98 163 96
SINCE SEP 1 261 98 163 96
SINCE JAN 1 1281 1056 225 1137
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1000 PM
LOWEST 56 100 PM
AVERAGE 77
..........................................................
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 19 2026.....SUNRISE 638 AM CDT SUNSET 655 PM CDT
SEPTEMBER 20 2026.....SUNRISE 639 AM CDT SUNSET 653 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$