Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
534
CDUS43 KILX 182128
CLIDEC
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
428 PM CDT TUE AUG 18 2026
...................................
...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR AUGUST 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 2000 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 83 210 PM MM MM 84 -1 93
MINIMUM 62 345 AM MM MM 63 -1 75
AVERAGE 73 74 -1 84
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.11 -0.11 0.00
MONTH TO DATE 3.24 1.54 1.70 1.46
SINCE JUN 1 13.57 9.24 4.33 13.54
SINCE JAN 1 30.90 23.62 7.28 23.84
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 1 12 -11 0
SINCE JUL 1 1 1 0 0
COOLING
TODAY 8 9 -1 19
MONTH TO DATE 209 173 36 241
SINCE JUN 1 781 748 33 1072
SINCE JAN 1 893 858 35 1157
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 55 200 PM
AVERAGE 76
..........................................................
THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 MM MM
MINIMUM TEMPERATURE (F) 63 MM MM
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 610 AM CDT SUNSET 747 PM CDT
AUGUST 19 2026........SUNRISE 611 AM CDT SUNSET 746 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$