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%