condition mean min max 0 h after light 6.521265 6.37606 6.66647 2 h after light 9.352630000000001 8.86883 9.83643 4 h after light 11.2234 10.7015 11.7453 8 h after light 13.09235 10.5167 15.668 12 h after light 9.22523 7.85416 10.5963 2 h after dark 11.629 10.8851 12.3729 4 h after dark 8.83754 8.11218 9.5629 8 h after dark 7.96335 7.12001 8.80669 12 h after dark 5.72668 5.19027 6.26309