condition	mean	min	max
4 h after light	9.60732	8.77324	10.4414
8 h after light	8.156235	7.91762	8.39485
12 h after light	9.84263	9.23826	10.447
4 h after dark	12.029399999999999	11.3557	12.7031
8 h after dark	12.767900000000001	12.3914	13.1444
12 h after dark	12.11785	11.9743	12.2614