condition mean min max 4 h after light 7.9 7.9 7.9 8 h after light 22.25 18.5 26.0 12 h after light 23.0 19.6 26.4 4 h after dark 21.099999999999998 5.4 36.8 8 h after dark 23.3 13.1 33.5 12 h after dark 41.4 28.3 54.5