condition	mean	min	max
4 h after light	9.24435	9.06741	9.42129
8 h after light	8.86616	8.22348	9.50884
12 h after light	8.333760000000002	8.12878	8.53874
4 h after dark	9.578783333333334	9.36895	9.69389
8 h after dark	11.3862	10.9214	11.9035
12 h after dark	12.502	11.2826	13.7043