CLIMATE CHARTS
Polson Kerr Dam, Montana
Latitude: 47.6775 Longitude: -114.2419
Elevation: 2730 feet (832.1 meters)
Monthly Data Table for Polson Kerr Dam, Montana
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
34.2 |
38.9 |
48.8 |
58.4 |
66.8 |
73.4 |
84.0 |
83.7 |
72.1 |
57.2 |
41.5 |
32.3 |
Minimum Temperature |
°F |
22.3 |
22.8 |
28.4 |
34.6 |
41.7 |
48.1 |
53.4 |
52.7 |
44.6 |
35.4 |
27.9 |
21.3 |
Heating Degree Days |
°F |
1139 |
956 |
818 |
555 |
338 |
156 |
34 |
39 |
217 |
580 |
909 |
1184 |
Cooling Degree Days |
°F |
0 |
0 |
0 |
0 |
5 |
29 |
149 |
139 |
18 |
0 |
0 |
0 |
Precipitation |
in. |
0.90 |
0.72 |
0.94 |
1.33 |
2.20 |
2.40 |
1.20 |
1.12 |
1.32 |
1.18 |
1.17 |
1.05 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
1.2 |
3.8 |
9.3 |
14.7 |
19.3 |
23.0 |
28.9 |
28.7 |
22.3 |
14.0 |
5.3 |
0.2 |
Minimum Temperature |
°C |
-5.4 |
-5.1 |
-2.0 |
1.4 |
5.4 |
8.9 |
11.9 |
11.5 |
7.0 |
1.9 |
-2.3 |
-5.9 |
Heating Degree Days |
°C |
633 |
531 |
454 |
308 |
188 |
87 |
19 |
22 |
121 |
322 |
505 |
658 |
Cooling Degree Days |
°C |
0 |
0 |
0 |
0 |
3 |
16 |
83 |
77 |
10 |
0 |
0 |
0 |
Precipitation |
cm. |
2.29 |
1.83 |
2.39 |
3.38 |
5.59 |
6.10 |
3.05 |
2.84 |
3.35 |
3.00 |
2.97 |
2.67 |