condition	mean	min	max
4 h after light	13.857216000000001	12.683572	15.03086
8 h after light	16.8845915	15.082158	18.687025
12 h after light	13.1453195	12.422248	13.868391
4 h after dark	14.647467	14.406762	14.888172
8 h after dark	12.9023575	12.272364	13.532351
12 h after dark	13.844453	13.844453	13.844453