condition mean min max 2 h after light 54.14168333333333 43.1559 63.3956 6 h after light 48.68615 40.9723 59.3252 10 h after light 45.661049999999996 39.6568 52.5771 14 h after light 46.31828333333333 31.9694 55.2997 18 h after light 48.08938333333333 35.5015 64.0337 2 h after dark 66.58798333333334 59.454 79.8024