condition mean min max 4 h after light 172.8 172.8 172.8 8 h after light 88.05 84.8 91.3 12 h after light 115.35000000000001 82.4 148.3 4 h after dark 102.75 82.6 122.9 8 h after dark 93.05 72.3 113.8 12 h after dark 130.25 90.8 169.7