condition mean min max 3 h after light 9.10756 8.82306 9.28753 6 h after light 9.064473333333334 8.63635 9.74659 9 h after light 6.51358 5.36542 8.71031 12 h after light 7.931970000000001 7.05599 9.18593 3 h after dark 17.272233333333332 15.8502 17.9842 6 h after dark 18.1131 16.2122 19.6074 9 h after dark 12.376 11.2033 14.076 12 h after dark 13.032733333333333 12.3023 13.974