condition mean min max 4 h after light 2.299075 1.88125 2.7169 8 h after light 2.895645 2.84587 2.94542 12 h after light 3.596805 3.59294 3.60067 4 h after dark 4.5502633333333335 4.19359 4.94878 8 h after dark 4.0092 3.60965 4.496 12 h after dark 3.13127 2.66624 3.84727