condition	mean	min	max
0 h after light	18.1657	17.8186	18.5128
4 h after light	10.469005	9.98641	10.9516
8 h after light	8.4574	7.97268	8.94212
4 h after dark	9.788920000000001	9.12664	10.4512
8 h after dark	11.49025	11.0112	11.9693
12 h after dark	14.2156	12.5533	15.8779