condition mean min max 3 h after light 6.1056099999999995 4.44884 7.16477 6 h after light 3.60525 3.0049 4.11726 9 h after light 5.131986666666666 4.40121 5.79653 12 h after light 6.7206624999999995 5.16786 7.83479 3 h after dark 6.837683333333334 6.11803 7.37798 6 h after dark 8.280573333333333 6.81323 9.01661 9 h after dark 7.044136666666667 6.71907 7.6673 12 h after dark 3.982405 3.38587 4.57894