condition mean min max 4 h after light 27.735 24.8408 30.6292 8 h after light 52.1179 51.1778 53.058 12 h after light 110.619 106.128 115.11 4 h after dark 123.85166666666666 118.937 131.339 8 h after dark 97.45916666666666 97.0595 97.6896 12 h after dark 47.7765 45.2371 49.8814