condition mean min max 0 h after light 52.3946 49.5126 55.2766 4 h after light 129.476 107.227 151.725 8 h after light 91.7581 91.2731 92.2431 4 h after dark 67.4696 57.2161 77.7231 8 h after dark 95.74215000000001 95.2912 96.1931 12 h after dark 54.913 53.9971 55.8289