condition	mean	min	max
4 h after light	9.89718	8.41886	11.3755
8 h after light	18.245350000000002	18.1401	18.3506
12 h after light	13.3568	10.8296	15.884
4 h after dark	25.154	20.8	29.508
8 h after dark	15.3958	15.1924	15.5992
12 h after dark	13.206299999999999	11.7661	14.6465