condition mean min max 4 h after light 37.5 37.5 37.5 8 h after light 28.4 26.4 30.4 12 h after light 26.150000000000002 2.6 49.7 4 h after dark 36.75 19.1 54.4 8 h after dark 57.8 32.9 82.7 12 h after dark 23.9 14.0 33.8