condition mean min max 4 h after light 155.651637 135.295692 176.007582 8 h after light 192.645152 152.207867 233.082437 12 h after light 173.64253150000002 169.770227 177.514836 4 h after dark 137.0607955 93.874591 180.247 8 h after dark 102.43076099999999 99.001297 105.860225 12 h after dark 139.462826 139.462826 139.462826