condition mean min max 0 h after light 139.988 131.276 148.7 2 h after light 93.61609999999999 90.9737 96.2585 4 h after light 90.61664999999999 88.8571 92.3762 8 h after light 73.28675000000001 68.4672 78.1063 12 h after light 67.06585 63.641 70.4907 2 h after dark 71.0051 69.2036 72.8066 4 h after dark 77.18655 76.845 77.5281 8 h after dark 108.678 105.701 111.655 12 h after dark 147.9335 141.818 154.049