condition mean min max 4 h after light 73.4 73.4 73.4 8 h after light 65.2 57.0 73.4 12 h after light 111.8 107.5 116.1 4 h after dark 83.75 65.1 102.4 8 h after dark 118.05000000000001 104.2 131.9 12 h after dark 123.0 113.3 132.7