condition mean min max 3 h after light 7.500906666666666 6.44885 8.31996 6 h after light 7.9668833333333335 6.34082 9.02746 9 h after light 9.95774 8.68386 11.4733 12 h after light 10.5946925 6.63507 12.8748 3 h after dark 13.1038 11.9489 14.3168 6 h after dark 9.40842 8.64866 10.0813 9 h after dark 7.529466666666666 7.44307 7.65067 12 h after dark 5.35538 5.19109 5.51967