condition mean min max 4 h after light 39.4349 36.4839 42.3859 8 h after light 24.22305 24.1634 24.2827 12 h after light 35.467 34.6758 36.2582 4 h after dark 63.2009 60.7059 65.4307 8 h after dark 60.76056666666667 59.4763 62.8376 12 h after dark 57.1491 51.276 62.059