condition mean min max 4 h after light 85.828044 50.142767 121.513321 8 h after light 106.1465065 99.940274 112.352739 12 h after light 147.3409325 118.418058 176.263807 4 h after dark 308.2273925 159.406849 457.047936 8 h after dark 248.082011 169.847441 326.316581 12 h after dark 127.673154 127.673154 127.673154