condition	mean	min	max
0 h after light	9.51313	9.42915	9.59711
4 h after light	7.412945	7.13981	7.68608
8 h after light	9.952265	7.38833	12.5162
4 h after dark	10.6527	10.3719	10.9335
8 h after dark	8.992609999999999	8.32074	9.66448
12 h after dark	8.324024999999999	6.77957	9.86848