condition mean min max 4 h after light 121.6 121.6 121.6 8 h after light 144.85000000000002 143.3 146.4 12 h after light 101.05 87.8 114.3 4 h after dark 114.65 101.9 127.4 8 h after dark 111.69999999999999 106.1 117.3 12 h after dark 113.4 88.7 138.1