Precipitation Data for Vienna, MD 21869
| 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 |
3.82 | 3.22 | 4.04 | 3.69 | 4.07 | 4.34 | 3.62 | 3.72 | 3.45 | 3.06 | 3.41 | 3.68 | 44.12 | - |
| Recent Years | ||||||||||||||
| 2017 View in Rain Harvest Calculator |
3.46 | 0.71 | 3.24 | 2.7 | 5.62 | 2.58 | 8.17 | 6.73 | 2.06 | 3.66 | 2.52 | 0.83 | 42.28 | 96% |