condition mean min max 3 h after light 5.767415 1.57387 19.47 7 h after light 4.72441 2.65828 7.20681 11 h after light 4.799861666666667 3.26352 7.85682 2 h after dark 5.060985 3.49654 7.05304 6 h after dark 4.329515 1.97734 7.2622 10 h after dark 3.9879866666666666 1.47408 6.84726