condition mean min max 4 h after light 150.5 150.5 150.5 8 h after light 131.2 108.6 153.8 12 h after light 184.5 172.5 196.5 4 h after dark 106.9 79.5 134.3 8 h after dark 107.6 102.7 112.5 12 h after dark 125.35000000000001 102.4 148.3