condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.039441333333333335 0.0 0.118324 6 h after dark 0.02463483333333333 0.0 0.0739045 9 h after dark 0.0 0.0 0.0 12 h after dark 0.019320733333333333 0.0 0.0579622