Illinois City Dam 16, Illinois
ID: USC00114355 Latitude: 41.4256 Longitude: -91.0094
Elevation: 549.9 feet ( 167.6 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 36.44 in., 14.35 cm.
Monthly Data Table for Illinois City Dam 16, Illinois
Monthly Data from NOAA Monthly Normals 2006-2020
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
31.3 |
33.6 |
48.5 |
61.2 |
72.7 |
82.0 |
85.3 |
83.5 |
77.0 |
63.5 |
49.4 |
36.5 |
Minimum Temperature |
°F |
14.0 |
15.5 |
29.6 |
39.0 |
52.0 |
61.9 |
65.4 |
63.3 |
55.5 |
43.3 |
30.9 |
20.4 |
Heating Degree Days |
°F |
1312.6 |
1131.8 |
807.6 |
450.0 |
154.8 |
10.1 |
1.9 |
3.4 |
75.5 |
373.6 |
746.1 |
1132.7 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
2.7 |
3.2 |
72.4 |
218.4 |
322.6 |
263.7 |
112.7 |
14.0 |
0.6 |
0.0 |
Precipitation |
I |
1.1 |
1.6 |
2.5 |
3.7 |
5.0 |
5.7 |
4.2 |
4.0 |
3.8 |
3.0 |
2.1 |
2.0 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
-0.4 |
0.9 |
9.2 |
16.2 |
22.6 |
27.8 |
29.6 |
28.6 |
25.0 |
17.5 |
9.7 |
2.5 |
Minimum Temperature |
°C |
-10.0 |
-9.2 |
-1.3 |
3.9 |
11.1 |
16.6 |
18.6 |
17.4 |
13.1 |
6.3 |
-0.6 |
-6.4 |
Heating Degree Days |
°C |
711.4 |
611.0 |
430.9 |
232.2 |
68.2 |
-12.2 |
-16.7 |
-15.9 |
24.2 |
189.8 |
396.7 |
611.5 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-16.3 |
-16.0 |
22.4 |
103.6 |
161.4 |
128.7 |
44.8 |
-10.0 |
-17.4 |
-17.8 |
Precipitation |
M |
2.9 |
4.2 |
6.4 |
9.4 |
12.6 |
14.5 |
10.7 |
10.1 |
9.6 |
7.7 |
5.2 |
5.1 |