condition mean min max 0 h after light 8.562909999999999 8.3487 8.77712 2 h after light 14.3887 13.0921 15.6853 4 h after light 13.61505 13.604 13.6261 8 h after light 15.22875 13.3737 17.0838 12 h after light 24.9024 22.9203 26.8845 2 h after dark 20.43615 19.4857 21.3866 4 h after dark 15.21825 13.0045 17.432 8 h after dark 9.963435 8.24867 11.6782 12 h after dark 8.020265 7.02874 9.01179