condition mean min max 4 h after light 33.83435 26.0992 41.5695 8 h after light 18.98245 18.2349 19.73 12 h after light 13.603449999999999 10.586 16.6209 4 h after dark 11.944233333333333 10.9486 12.7336 8 h after dark 23.106033333333333 22.2676 24.3214 12 h after dark 27.9411 16.8712 34.9777