condition mean min max 3 h after light 57.1934 49.4993 63.3536 6 h after light 57.65383333333333 40.8062 69.3783 9 h after light 65.4915 52.1925 77.9772 12 h after light 78.913475 66.8615 91.1914 3 h after dark 93.45116666666667 84.0529 105.333 6 h after dark 76.4778 73.0334 83.3007 9 h after dark 60.44253333333334 48.5042 66.6773 12 h after dark 67.7752 63.6243 71.9261