condition mean min max 4 h after light 105.37 102.259 108.481 8 h after light 96.3798 84.3606 108.399 12 h after light 107.0475 100.187 113.908 4 h after dark 214.894 203.049 226.739 8 h after dark 224.6275 211.578 237.677 12 h after dark 161.59 144.198 178.982