Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KILX 200629
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
129 AM CDT THU AUG 20 2026
...................................
...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR AUGUST 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 81 247 PM MM MM 84 -3 92
MINIMUM 68 1159 PM MM MM 63 5 70
AVERAGE 75 74 1 81
PRECIPITATION (IN)
YESTERDAY 0.06 MM MM 0.08 -0.02 0.01
MONTH TO DATE 3.67 1.44 2.23 0.31
SINCE JUN 1 15.63 10.12 5.51 9.60
SINCE JAN 1 34.00 24.19 9.81 24.11
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 13 -13 1
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 10 9 1 16
MONTH TO DATE 223 183 40 225
SINCE JUN 1 792 758 34 946
SINCE JAN 1 921 864 57 1003
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1000 PM
LOWEST 69 1200 PM
AVERAGE 83
..........................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 MM MM
MINIMUM TEMPERATURE (F) 63 MM MM
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 610 AM CDT SUNSET 742 PM CDT
AUGUST 21 2026........SUNRISE 611 AM CDT SUNSET 740 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$