condition mean min max 4 h after light 122.9 122.9 122.9 8 h after light 124.5 85.9 163.1 12 h after light 73.6 42.5 104.7 4 h after dark 76.3 53.5 99.1 8 h after dark 78.1 48.5 107.7 12 h after dark 102.05000000000001 72.8 131.3