condition	mean	min	max
0 h after light	8.0817	7.64916	8.51424
4 h after light	17.48655	15.9213	19.0518
8 h after light	12.58485	12.1924	12.9773
4 h after dark	9.412825	7.51245	11.3132
8 h after dark	12.60515	11.8175	13.3928
12 h after dark	8.80573	8.06327	9.54819