condition mean min max 4 h after light 118.039906 116.737498 119.342314 8 h after light 121.984623 117.946258 126.022988 12 h after light 133.0829885 102.722377 163.4436 4 h after dark 172.1827445 138.228125 206.137364 8 h after dark 130.7811515 104.330246 157.232057 12 h after dark 207.440106 207.440106 207.440106