condition mean min max 4 h after light 0.04158955 0.0 0.0831791 8 h after light 0.0 0.0 0.0 12 h after light 0.03840425 0.0 0.0768085 4 h after dark 0.030351299999999998 0.0 0.0910539 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0