condition	mean	min	max
0 h after light	6.765555	6.38558	7.14553
4 h after light	12.7365	11.833	13.64
8 h after light	16.2758	16.2679	16.2837
4 h after dark	14.533850000000001	14.2098	14.8579
8 h after dark	11.142900000000001	10.6454	11.6404
12 h after dark	7.353680000000001	6.87347	7.83389