condition	mean	min	max
4 h after light	15.710659	15.697782	15.723536
8 h after light	19.362102	15.273495	23.450709
12 h after light	19.611236	15.070752	24.15172
4 h after dark	101.188373	98.686386	103.69036
8 h after dark	157.1798915	156.131629	158.228154
12 h after dark	13.615643	13.615643	13.615643