condition	mean	min	max
4 h after light	8.010645	7.49322	8.52807
8 h after light	8.28289	7.99926	8.56652
12 h after light	9.694704999999999	8.88231	10.5071
4 h after dark	11.879033333333334	11.2027	12.6326
8 h after dark	11.3851	11.0768	11.6519
12 h after dark	9.808833333333334	9.1975	10.1544