condition mean min max 4 h after light 130.0 130.0 130.0 8 h after light 225.7 209.7 241.7 12 h after light 192.85 76.5 309.2 4 h after dark 153.5 90.3 216.7 8 h after dark 179.8 178.7 180.9 12 h after dark 144.5 103.7 185.3