condition	mean	min	max
0 h after light	12.12705	10.6308	13.6233
4 h after light	8.328175	7.89032	8.76603
8 h after light	7.707190000000001	7.09377	8.32061
4 h after dark	12.41615	11.3117	13.5206
8 h after dark	10.91965	10.6818	11.1575
12 h after dark	12.339200000000002	10.787	13.8914