condition mean min max 4 h after light 57.120259 53.452313 60.788205 8 h after light 49.4750915 48.321557 50.628626 12 h after light 48.430544 39.585548 57.27554 4 h after dark 71.6231485 58.498022 84.748275 8 h after dark 75.9739795 61.561372 90.386587 12 h after dark 53.850079 53.850079 53.850079