condition mean min max 4 h after light 305.868288 281.203854 330.532722 8 h after light 271.357505 242.720409 299.994601 12 h after light 311.5744955 309.763088 313.385903 4 h after dark 300.91612699999996 299.515248 302.317006 8 h after dark 340.9553485 312.847441 369.063256 12 h after dark 438.825855 438.825855 438.825855