condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0276542 0.0 0.0553084 2 h after dark 0.052059 0.0498831 0.0542349 4 h after dark 0.0232848 0.0 0.0465696 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0