condition mean min max 4 h after light 245.423202 111.706807 379.139597 8 h after light 235.764609 193.622129 277.907089 12 h after light 149.752245 61.408059 238.096431 4 h after dark 20.3218615 12.16418 28.479543 8 h after dark 12.785634 10.683499 14.887769 12 h after dark 64.784902 64.784902 64.784902