condition mean min max 4 h after light 130.8665 121.347 140.386 8 h after light 112.2685 111.607 112.93 12 h after light 162.06 151.269 172.851 4 h after dark 160.73 153.534 167.926 8 h after dark 156.397 153.031 159.763 12 h after dark 152.99450000000002 151.077 154.912