condition mean min max 3 h after light 1.5278133333333332 1.14046 1.9401 6 h after light 0.9757170000000001 0.680069 1.48349 9 h after light 0.9878673333333333 0.466382 1.49421 12 h after light 1.12239575 0.922593 1.25543 3 h after dark 0.370238 0.327362 0.446424 6 h after dark 0.313932 0.266879 0.340675 9 h after dark 0.35822899999999996 0.153891 0.568448 12 h after dark 0.745575 0.648399 0.842751