condition mean min max 3 h after light 52.7428 46.6017 59.8698 6 h after light 51.682433333333336 39.6958 60.0571 9 h after light 55.7573 46.7127 64.0523 12 h after light 66.522625 60.581 73.5802 3 h after dark 76.47626666666666 73.1045 82.092 6 h after dark 73.01063333333333 67.9966 77.3273 9 h after dark 62.25183333333333 60.0922 64.3629 12 h after dark 59.67785 55.421 63.9347