condition mean min max 4 h after light 24.3977 22.8459 25.9495 8 h after light 17.22835 16.743 17.7137 12 h after light 19.449399999999997 19.1973 19.7015 4 h after dark 22.137050000000002 20.0355 24.2386 8 h after dark 18.328400000000002 17.0258 19.631 12 h after dark 20.3271 19.7975 20.8567