condition	mean	min	max
4 h after light	9.469285	6.51167	12.4269
8 h after light	14.86255	14.6499	15.0752
12 h after light	16.40985	16.2341	16.5856
4 h after dark	12.2238	12.1969	12.2507
8 h after dark	7.678315	6.89891	8.45772
12 h after dark	7.59083	7.5069	7.67476