condition mean min max 3 h after light 3.8110399999999998 2.69365 4.58854 6 h after light 3.75628 2.42206 5.23924 9 h after light 3.72915 2.59511 4.33248 12 h after light 4.41988 3.01211 6.3939 3 h after dark 5.574356666666667 4.38673 7.03035 6 h after dark 5.036116666666667 3.41832 5.97631 9 h after dark 5.052643333333333 4.58041 5.66041 12 h after dark 4.61946 4.12156 5.11736