condition mean min max 4 h after light 147.8915 126.635 169.148 8 h after light 149.8705 144.099 155.642 12 h after light 179.63400000000001 178.377 180.891 4 h after dark 297.4045 292.319 302.49 8 h after dark 320.917 317.643 324.191 12 h after dark 202.33800000000002 196.394 208.282