condition	mean	min	max
0 h after light	15.6051	13.9644	17.2458
4 h after light	10.9999	10.6815	11.3183
8 h after light	10.3307	10.3115	10.3499
4 h after dark	18.551650000000002	18.0041	19.0992
8 h after dark	18.325000000000003	17.7358	18.9142
12 h after dark	17.033	16.4843	17.5817