condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.018794933333333333 0.0 0.0563848 9 h after light 0.0 0.0 0.0 12 h after light 0.02814525 0.0 0.112581 3 h after dark 0.02299973333333333 0.0 0.0689992 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0266031 0.0 0.0532062