condition	mean	min	max
4 h after light	10.86795	10.4949	11.241
8 h after light	9.379715000000001	8.61943	10.14
12 h after light	7.6721	7.43469	7.90951
4 h after dark	8.214395	8.09802	8.33077
8 h after dark	8.133635	7.93017	8.3371
12 h after dark	10.424949999999999	10.3549	10.495