Lewistown 11 SSE, Montana
ID: USC00244978 Latitude: 46.9058 Longitude: -109.4114
Elevation: 4964.9 feet (1513.3 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 23.28 in., 9.17 cm.
Monthly Data Table for Lewistown 11 SSE, Montana
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 |
38.7 |
35.4 |
44.8 |
50.3 |
60.8 |
69.6 |
80.9 |
78.7 |
68.9 |
55.1 |
44.7 |
35.3 |
Minimum Temperature |
°F |
13.6 |
10.3 |
20.0 |
25.3 |
36.1 |
43.6 |
49.1 |
46.5 |
39.0 |
29.9 |
21.4 |
13.1 |
Heating Degree Days |
°F |
1204.7 |
1179.7 |
1010.9 |
815.8 |
513.5 |
258.8 |
66.2 |
119.6 |
339.8 |
697.9 |
958.6 |
1264.2 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
0.0 |
0.0 |
0.3 |
6.9 |
65.7 |
45.2 |
8.1 |
0.4 |
0.0 |
0.0 |
Precipitation |
I |
0.9 |
0.9 |
1.1 |
2.5 |
5.0 |
3.8 |
1.6 |
2.2 |
2.2 |
2.1 |
1.1 |
0.7 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
3.7 |
1.9 |
7.1 |
10.2 |
16.0 |
20.9 |
27.2 |
25.9 |
20.5 |
12.8 |
7.1 |
1.8 |
Minimum Temperature |
°C |
-10.2 |
-12.1 |
-6.7 |
-3.7 |
2.3 |
6.4 |
9.5 |
8.1 |
3.9 |
-1.2 |
-5.9 |
-10.5 |
Heating Degree Days |
°C |
651.5 |
637.6 |
543.8 |
435.4 |
267.5 |
126.0 |
19.0 |
48.7 |
171.0 |
369.9 |
514.8 |
684.6 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-17.8 |
-17.8 |
-17.6 |
-13.9 |
18.7 |
7.3 |
-13.3 |
-17.6 |
-17.8 |
-17.8 |
Precipitation |
M |
2.3 |
2.4 |
2.8 |
6.3 |
12.8 |
9.5 |
4.2 |
5.7 |
5.6 |
5.4 |
2.7 |
1.9 |