condition mean min max 4 h after light 19.2 19.2 19.2 8 h after light 41.3 20.4 62.2 12 h after light 42.1 41.0 43.2 4 h after dark 15.049999999999999 2.7 27.4 8 h after dark 13.95 1.5 26.4 12 h after dark 24.9 24.7 25.1