condition mean min max 4 h after light 3.6 3.6 3.6 8 h after light 8.1 4.2 12.0 12 h after light 24.05 22.3 25.8 4 h after dark 9.2 6.4 12.0 8 h after dark 30.95 4.9 57.0 12 h after dark 6.550000000000001 5.7 7.4