condition mean min max 4 h after light 0.4771475 0.399428 0.554867 8 h after light 0.23077 0.172595 0.288945 12 h after light 1.089952 0.816824 1.36308 4 h after dark 3.4802 3.36244 3.59796 8 h after dark 2.362265 2.12776 2.59677 12 h after dark 1.2694649999999998 1.24363 1.2953