condition mean min max 0 h after light 27.7365 27.6783 27.7947 4 h after light 13.02685 11.6206 14.4331 8 h after light 10.565750000000001 9.1897 11.9418 4 h after dark 14.7016 13.6608 15.7424 8 h after dark 16.20355 16.1889 16.2182 12 h after dark 23.29815 18.0468 28.5495