condition	mean	min	max
4 h after light	14.896315	13.806984	15.985646
8 h after light	17.7206705	14.608166	20.833175
12 h after light	12.391249	11.490981	13.291517
4 h after dark	12.6218545	12.086692	13.157017
8 h after dark	13.409779	13.012574	13.806984
12 h after dark	16.809794	16.809794	16.809794