Precipitation Data for Grand Coulee, WA 99133
| 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 |
1.06 | 0.96 | 0.91 | 0.87 | 1.15 | 1.05 | 0.64 | 0.28 | 0.44 | 0.68 | 1.3 | 1.45 | 10.79 | - |
| 5yr Avg (2013-2017) View in Rain Harvest Calculator |
1.09 | 0.87 | 1.36 | 1.02 | 0.98 | 0.93 | 0.27 | 0.54 | 0.34 | 1.42 | 1.25 | 1.32 | 11.39 | 106% |
| Recent Years | ||||||||||||||
| 2017 View in Rain Harvest Calculator |
1.32 | 2.22 | 1.73 | 1.79 | 1.34 | 0.61 | 0.0 | 0.0 | 0.14 | 0.78 | 1.62 | 0.68 | 12.23 | 113% |
| 2016 View in Rain Harvest Calculator |
2.00 | 0.51 | 2.20 | 0.70 | 0.78 | 1.44 | 0.58 | 0.0 | 0.38 | 3.66 | 1.50 | 0.80 | 14.55 | 135% |
| 2015 View in Rain Harvest Calculator |
1.00 | 0.66 | 0.92 | 0.24 | 1.10 | 0.06 | 0.22 | 0.04 | 0.12 | 0.76 | 0.77 | 3.66 | 9.55 | 89% |
| 2014 View in Rain Harvest Calculator |
0.49 | 0.82 | 1.33 | 1.46 | 0.74 | 0.99 | 0.18 | 1.66 | 0.32 | 1.73 | 1.56 | 1.35 | 12.63 | 117% |
| 2013 View in Rain Harvest Calculator |
0.64 | 0.12 | 0.63 | 0.91 | 0.93 | 1.54 | 0.36 | 0.98 | 0.72 | 0.16 | 0.81 | 0.12 | 7.92 | 73% |