condition mean min max 4 h after light 93.8 93.8 93.8 8 h after light 111.9 109.6 114.2 12 h after light 89.69999999999999 70.1 109.3 4 h after dark 144.45 107.3 181.6 8 h after dark 164.25 95.0 233.5 12 h after dark 89.75 53.4 126.1