condition mean min max 0 h after light 7.15659 6.59111 7.72207 2 h after light 7.319005 6.08691 8.5511 4 h after light 5.931235 5.85626 6.00621 8 h after light 10.1972 8.6393 11.7551 12 h after light 14.986249999999998 11.6929 18.2796 2 h after dark 10.950475 9.01755 12.8834 4 h after dark 11.7172 10.9284 12.506 8 h after dark 12.30135 11.9226 12.6801 12 h after dark 8.819525 7.87136 9.76769