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 0.08746933333333333 0.0 0.262408 3 h after dark 0.0 0.0 0.0 6 h after dark 0.20009166666666667 0.0 0.316546 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0