condition mean min max 4 h after light 316.176928 267.775247 364.578609 8 h after light 291.8952905 264.543624 319.246957 12 h after light 266.17143599999997 259.166757 273.176115 4 h after dark 268.4149675 267.232057 269.597878 8 h after dark 234.34627849999998 186.620667 282.07189 12 h after dark 323.60613 323.60613 323.60613