condition mean min max 3 h after light 4.0880825 2.87647 6.29842 7 h after light 3.2086025 1.17728 4.86515 11 h after light 3.3703358333333333 1.80486 4.77829 2 h after dark 4.4120816666666665 2.37948 6.15253 6 h after dark 4.3083975 2.56258 6.19415 10 h after dark 4.628134166666666 2.72081 8.47505