condition mean min max 4 h after light 45.8711545 42.288273 49.454036 8 h after light 37.2158355 34.512343 39.919328 12 h after light 36.703283 34.512343 38.894223 4 h after dark 30.114738000000003 27.902232 32.327244 8 h after dark 30.5104715 26.5086 34.512343 12 h after dark 34.512343 34.512343 34.512343