condition mean min max 4 h after light 137.3 137.3 137.3 8 h after light 195.5 147.0 244.0 12 h after light 179.35000000000002 142.9 215.8 4 h after dark 183.3 104.6 262.0 8 h after dark 193.60000000000002 77.4 309.8 12 h after dark 135.05 113.7 156.4