condition mean min max 0 h after light 5.54941 4.86684 6.23198 2 h after light 2.2055 2.05284 2.35816 4 h after light 2.228515 1.95847 2.49856 8 h after light 2.561365 2.42448 2.69825 12 h after light 2.869885 2.80695 2.93282 2 h after dark 4.417035 3.61262 5.22145 4 h after dark 6.638645 6.28542 6.99187 8 h after dark 7.8440449999999995 7.39055 8.29754 12 h after dark 6.01919 5.35915 6.67923