condition	mean	min	max
0 h after light	12.267949999999999	11.4499	13.086
4 h after light	10.46926	9.79902	11.1395
8 h after light	9.292155000000001	8.17791	10.4064
4 h after dark	12.22705	11.3879	13.0662
8 h after dark	12.77955	12.4802	13.0789
12 h after dark	13.13015	13.0265	13.2338