condition mean min max 4 h after light 1.1339650000000001 0.959625 1.40667 8 h after light 1.6481083333333333 0.271225 3.07986 12 h after light 1.931713 0.940749 2.95486 4 h after dark 1.1278546666666667 0.897054 1.25227 8 h after dark 1.1913296666666666 0.392319 1.76828 12 h after dark 1.76444 1.45024 2.32403