condition	mean	min	max
0 h after light	12.00295	11.8397	12.1662
4 h after light	10.699195	9.91719	11.4812
8 h after light	14.64765	14.5075	14.7878
4 h after dark	19.581899999999997	18.8509	20.3129
8 h after dark	15.126100000000001	15.0177	15.2345
12 h after dark	9.864935	9.37277	10.3571