condition mean min max 0 h after light 21.9075 18.6792 25.1358 2 h after light 17.22045 15.7285 18.7124 4 h after light 23.1385 14.2346 32.0424 8 h after light 36.10595 33.6306 38.5813 12 h after light 33.36755 18.7605 47.9746 2 h after dark 39.929 36.5893 43.2687 4 h after dark 20.62175 17.9532 23.2903 8 h after dark 36.29915 25.3262 47.2721 12 h after dark 17.255895 9.58799 24.9238