condition mean min max 0 h after light 12.7491 12.5961 12.9021 4 h after light 11.535 10.593 12.477 8 h after light 9.76702 9.64722 9.88682 4 h after dark 12.905100000000001 12.4872 13.323 8 h after dark 11.09005 11.0435 11.1366 12 h after dark 10.857655000000001 9.53331 12.182