condition mean min max 3 h after light 42.48506666666667 36.1903 46.1243 6 h after light 45.646100000000004 42.8845 50.7851 9 h after light 38.393299999999996 33.7609 42.3474 12 h after light 42.077799999999996 37.2919 50.2761 3 h after dark 56.54023333333333 44.9408 63.9475 6 h after dark 44.5095 35.3117 51.916 9 h after dark 39.631166666666665 38.3566 41.6944 12 h after dark 45.577650000000006 45.0153 46.14