condition mean min max 3 h after light 6.1814366666666665 5.71908 6.95774 6 h after light 7.73792 4.80138 9.22106 9 h after light 13.586766666666668 10.0581 17.5942 12 h after light 18.787 14.6852 24.3345 3 h after dark 9.91361 8.33649 11.8219 6 h after dark 6.1922 5.5103 7.49563 9 h after dark 4.51616 2.6628 6.28023 12 h after dark 9.372785 7.62737 11.1182