condition mean min max 4 h after light 3.834573333333333 2.65825 5.1893 8 h after light 2.119214 0.721512 3.41648 12 h after light 2.5656766666666666 1.54489 3.85963 4 h after dark 6.322979999999999 4.05694 8.16936 8 h after dark 4.814416666666666 3.838 5.52724 12 h after dark 3.68715 3.10571 4.60094