Precipitation Data for Helena, MT 59601
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | % of 30yr Avg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30yr Avg (1981-2010) View in Rain Harvest Calculator |
0.36 | 0.3 | 0.59 | 0.98 | 1.87 | 2.06 | 1.19 | 1.2 | 1.1 | 0.68 | 0.49 | 0.4 | 11.22 | - |
| 5yr Avg (2013-2017) View in Rain Harvest Calculator |
0.50 | 0.71 | 0.33 | 0.79 | 1.51 | 1.36 | 0.74 | 1.01 | 1.51 | 0.65 | 0.63 | 1.00 | 10.74 | 96% |
| Recent Years | ||||||||||||||
| 2017 View in Rain Harvest Calculator |
0.62 | 0.69 | 0.43 | 0.73 | 1.4 | 1.25 | 0.19 | 0.0 | 1.92 | 0.45 | 1.06 | 1.84 | 10.58 | 94% |
| 2016 View in Rain Harvest Calculator |
0.31 | 0.16 | 0.19 | 1.02 | 1.46 | 1.38 | 0.78 | 0.92 | 0.98 | 1.68 | 0.02 | 1.28 | 10.18 | 91% |
| 2015 View in Rain Harvest Calculator |
0.64 | 0.39 | 0.15 | 0.53 | 2.36 | 0.5 | 1.29 | 0.28 | 2.08 | 0.13 | 0.83 | 0.75 | 9.93 | 89% |
| 2014 View in Rain Harvest Calculator |
0.56 | 1.98 | 0.81 | 0.87 | 0.28 | 1.71 | 0.56 | 2.12 | 1.1 | 0.4 | 1.07 | 0.81 | 12.27 | 109% |
| 2013 View in Rain Harvest Calculator |
0.35 | 0.33 | 0.09 | 0.79 | 2.04 | 1.95 | 0.88 | 1.72 | 1.46 | 0.57 | 0.15 | 0.3 | 10.63 | 95% |