condition	mean	min	max
4 h after light	6.167675	5.4921	6.84325
8 h after light	4.474254999999999	4.36213	4.58638
12 h after light	5.74295	5.27775	6.20815
4 h after dark	7.3549050000000005	6.13658	8.57323
8 h after dark	7.982380000000001	7.26315	8.70161
12 h after dark	8.327465	8.15877	8.49616