condition	mean	min	max
4 h after light	9.335936499999999	8.254671	10.417202
8 h after light	7.805326	6.828077	8.782575
12 h after light	8.128612	7.355739	8.901485
4 h after dark	8.886735	8.871985	8.901485
8 h after dark	9.2672135	9.071518	9.462909
12 h after dark	9.61435	9.61435	9.61435