condition	mean	min	max
4 h after light	9.525559999999999	8.67822	10.3729
8 h after light	8.18056	7.45586	8.90526
12 h after light	7.982305	7.82125	8.14336
4 h after dark	12.5169	10.8462	13.519
8 h after dark	11.369766666666667	10.7856	11.7574
12 h after dark	9.07392	8.4017	10.1511