Climate, reservoir information
Outdoor recreation enthusiasts may find the information on this page useful for planning activities in the Crystal Basin.
Temperature, precipitation and reservoir storage information
Temperature
| Month |
Maximum |
Minimum |
Average |
| January |
47°F |
37°F |
41°F |
| February |
50°F |
37°F |
43°F |
| March |
51°F |
39°F |
45°F |
| April |
56°F |
42°F |
49°F |
| May |
65°F |
46°F |
56°F |
| June |
72°F |
60°F |
65°F |
| July |
78°F |
68°F |
72°F |
| August |
78°F |
65°F |
72°F |
| September |
74°F |
57°F |
66°F |
| October |
65°F |
48°F |
57°F |
| November |
55°F |
38°F |
47°F |
| December |
48°F |
35°F |
42°F |
 |
Precipitation
|
Month |
Maximum (inches) |
Minimum (inches) |
Average (inches) |
Snow Pack? |
| January |
25.9" |
0.6" |
10.1" |
yes |
| February |
30.3" |
0.2" |
8.2" |
yes |
| March |
22.9" |
0.8" |
7.5" |
yes |
| April |
15.3" |
0.5" |
4.9" |
yes |
| May |
9.1" |
0.0" |
2.3" |
yes |
| June |
3.4" |
0.0" |
0.8" |
no |
| July |
5.6" |
0.0" |
0.2" |
no |
| August |
3.2" |
0.0" |
0.3" |
no |
| September |
6.4" |
0.0" |
1.0" |
no |
| October |
13.7" |
0.0" |
3.0" |
no |
| November |
24.2" |
0.4" |
7.1" |
yes |
| December |
31.9" |
0.0" |
9.5" |
yes |
|
(Precipitation data from 1962-2007 at five Upper American River Project locations)
Reservoir storage
(Updated: July 22, 2009)
|
Lake |
Current Storage
(acre feet) |
Percent of Maximum Storage Capacity |
| Loon Lake |
63,685 |
92 percent |
| Union Valley Reservoir |
251,361 |
94 percent |
| Ice House Reservoir |
42,054 |
97 percent |
|
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