condition mean min max 2 h after light 137.24816666666666 119.734 148.695 6 h after light 98.55308333333333 84.1406 115.411 10 h after light 84.2054 72.8111 104.072 14 h after light 95.49483333333333 75.4849 121.287 18 h after light 111.42935 81.5841 139.06 2 h after dark 109.37983333333334 89.6278 128.436