condition	mean	min	max
0 h after light	13.8506	13.4949	14.2063
4 h after light	11.10215	10.7721	11.4322
8 h after light	12.71685	10.5881	14.8456
4 h after dark	16.22925	13.6186	18.8399
8 h after dark	15.82255	13.7709	17.8742
12 h after dark	15.74015	15.1556	16.3247