condition	mean	min	max
4 h after light	4.514135	4.50702	4.52125
8 h after light	6.5973749999999995	5.77833	7.41642
12 h after light	5.938295	5.63593	6.24066
4 h after dark	8.429435	7.73493	9.12394
8 h after dark	6.27192	6.16074	6.3831
12 h after dark	5.756584999999999	5.74824	5.76493