condition mean min max 4 h after light 40.508881 37.541207 43.476555 8 h after light 41.578669500000004 41.539588 41.617751 12 h after light 43.8220155 33.913917 53.730114 4 h after dark 48.409412 41.450739 55.368085 8 h after dark 45.605024 32.771805 58.438243 12 h after dark 37.847632 37.847632 37.847632