condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0081812 0.0 0.0163624 12 h after light 0.0127986 0.0 0.0255972 4 h after dark 0.008382566873 0.0 0.0251477 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0