condition mean min max 4 h after light 65.0 65.0 65.0 8 h after light 13.95 12.6 15.3 12 h after light 72.0 52.6 91.4 4 h after dark 81.15 75.6 86.7 8 h after dark 77.75 46.2 109.3 12 h after dark 55.550000000000004 14.7 96.4