condition mean min max 0 h after light 21.8754 21.2684 22.4824 4 h after light 19.5001 17.8463 21.1539 8 h after light 3.274695 3.04485 3.50454 4 h after dark 10.345945 9.06789 11.624 8 h after dark 25.43215 25.023 25.8413 12 h after dark 24.6435 23.8587 25.4283