condition mean min max 4 h after light 18.6 18.6 18.6 8 h after light 4.65 2.0 7.3 12 h after light 13.899999999999999 8.9 18.9 4 h after dark 24.4 9.7 39.1 8 h after dark 13.200000000000001 2.6 23.8 12 h after dark 20.05 14.6 25.5