condition mean min max 4 h after light 138.9 138.9 138.9 8 h after light 97.55 67.1 128.0 12 h after light 92.4 74.5 110.3 4 h after dark 105.69999999999999 96.6 114.8 8 h after dark 116.95 104.5 129.4 12 h after dark 118.75 93.4 144.1