condition mean min max 4 h after light 103.8 103.8 103.8 8 h after light 92.30000000000001 82.2 102.4 12 h after light 115.15 109.7 120.6 4 h after dark 96.1 93.2 99.0 8 h after dark 122.69999999999999 103.2 142.2 12 h after dark 113.45 111.7 115.2