condition mean min max 4 h after light 222.7 222.7 222.7 8 h after light 173.60000000000002 172.9 174.3 12 h after light 157.5 95.5 219.5 4 h after dark 86.2 80.9 91.5 8 h after dark 86.55000000000001 80.9 92.2 12 h after dark 132.7 109.4 156.0