condition mean min max 4 h after light 26.7 26.7 26.7 8 h after light 23.2 7.0 39.4 12 h after light 58.25 50.0 66.5 4 h after dark 53.15 50.5 55.8 8 h after dark 33.9 14.5 53.3 12 h after dark 59.7 46.6 72.8