condition mean min max 4 h after light 18.644806 14.396793 22.892819 8 h after light 19.276644 18.077607 20.475681 12 h after light 16.864332 15.875975 17.852689 4 h after dark 26.624017000000002 22.892819 30.355215 8 h after dark 47.1202135 24.93068 69.309747 12 h after dark 31.080515 31.080515 31.080515