condition mean min max 4 h after light 42.6 42.6 42.6 8 h after light 60.15 54.2 66.1 12 h after light 116.1 70.7 161.5 4 h after dark 111.55000000000001 109.2 113.9 8 h after dark 94.05000000000001 65.2 122.9 12 h after dark 92.30000000000001 83.2 101.4