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 0.0320246 0.0 0.0960738 6 h after dark 0.435129 0.121146 1.00422 9 h after dark 0.5731326666666666 0.387493 0.925238 12 h after dark 0.149547 0.0 0.250093