Olney 2S, Illinois
ID: USC00116446 Latitude: 38.7003 Longitude: -88.0817
Elevation: 459 feet ( 139.9 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 48.76 in., 19.2 cm.
Monthly Data Table for Olney 2S, 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 |
38.4 |
41.6 |
54.3 |
66.0 |
75.6 |
85.0 |
86.9 |
86.0 |
80.9 |
68.4 |
54.2 |
43.2 |
Minimum Temperature |
°F |
21.1 |
22.8 |
33.6 |
42.8 |
53.9 |
62.9 |
65.6 |
63.9 |
56.9 |
44.6 |
33.0 |
26.6 |
Heating Degree Days |
°F |
1092.4 |
918.0 |
659.1 |
333.9 |
111.0 |
4.8 |
0.6 |
1.3 |
45.2 |
296.2 |
643.5 |
933.1 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
6.4 |
15.8 |
103.2 |
273.1 |
349.3 |
309.6 |
161.9 |
32.6 |
1.7 |
0.1 |
Precipitation |
I |
3.2 |
2.6 |
4.8 |
5.2 |
5.6 |
5.3 |
5.0 |
2.6 |
3.6 |
4.0 |
4.0 |
4.0 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
3.6 |
5.3 |
12.4 |
18.9 |
24.2 |
29.4 |
30.5 |
30.0 |
27.2 |
20.2 |
12.3 |
6.2 |
Minimum Temperature |
°C |
-6.1 |
-5.1 |
0.9 |
6.0 |
12.2 |
17.2 |
18.7 |
17.7 |
13.8 |
7.0 |
0.6 |
-3.0 |
Heating Degree Days |
°C |
589.1 |
492.2 |
348.4 |
167.7 |
43.9 |
-15.1 |
-17.4 |
-17.1 |
7.3 |
146.8 |
339.7 |
500.6 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-14.2 |
-9.0 |
39.6 |
133.9 |
176.3 |
154.2 |
72.2 |
0.3 |
-16.8 |
-17.7 |
Precipitation |
M |
8.2 |
6.7 |
12.2 |
13.3 |
14.2 |
13.6 |
12.7 |
6.6 |
9.1 |
10.1 |
10.1 |
10.0 |