condition mean min max 4 h after light 73.4 73.4 73.4 8 h after light 35.2 17.2 53.2 12 h after light 83.5 60.8 106.2 4 h after dark 65.35 34.6 96.1 8 h after dark 102.75 52.6 152.9 12 h after dark 99.80000000000001 78.9 120.7