Precipitation Data for Groton, CT 06340
| 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 |
3.52 | 3.18 | 4.62 | 4.48 | 3.75 | 4.10 | 3.7 | 4.22 | 4.08 | 4.00 | 4.42 | 4.00 | 48.07 | - |
| 5yr Avg (2013-2017) View in Rain Harvest Calculator |
1.96 | 1.99 | 2.49 | 2.73 | 3.07 | 3.47 | 1.11 | 2.31 | 2.91 | 3.95 | 2.52 | 3.17 | 31.68 | 66% |
| Recent Years | ||||||||||||||
| 2017 View in Rain Harvest Calculator |
4.26 | 2.14 | 3.97 | 5.74 | 5.94 | 3.64 | 1.58 | 1.52 | 2.90 | 7.90 | 2.28 | 0.51 | 42.38 | 88% |
| 2016 View in Rain Harvest Calculator |
1.4 | 3.42 | 1.50 | 2.56 | 3.81 | 0.68 | 1.68 | 3.39 | 3.84 | 6.05 | 3.18 | 3.39 | 34.90 | 73% |
| 2015 View in Rain Harvest Calculator |
2.12 | 1.12 | 2.81 | 1.44 | 1.14 | 3.48 | 1.15 | 1.70 | 4.56 | 2.86 | 1.20 | 3.98 | 27.56 | 57% |
| 2014 View in Rain Harvest Calculator |
1.16 | 1.56 | 3.50 | 3.06 | 2.68 | 1.15 | 0.42 | 2.65 | 0.59 | 2.43 | 3.19 | 4.15 | 26.54 | 55% |
| 2013 View in Rain Harvest Calculator |
0.84 | 1.72 | 0.65 | 0.83 | 1.78 | 8.39 | 0.71 | 2.30 | 2.64 | 0.52 | 2.74 | 3.84 | 26.96 | 56% |