condition mean min max 4 h after light 59.369609000000004 42.717471 76.021747 8 h after light 76.5494475 45.906447 107.192448 12 h after light 146.576942 92.230153 200.923731 4 h after dark 351.39655750000003 195.484135 507.30898 8 h after dark 410.472614 343.2626 477.682628 12 h after dark 137.816651 137.816651 137.816651