condition mean min max 4 h after light 118.4145 114.45 122.379 8 h after light 131.882 130.816 132.948 12 h after light 164.1635 164.155 164.172 4 h after dark 150.34133333333332 148.857 153.292 8 h after dark 160.285 155.14 165.399 12 h after dark 141.74266666666668 132.671 147.437