condition	mean	min	max
4 h after light	0.9739276666666666	0.699103	1.4717
8 h after light	0.654125	0.132802	1.22884
12 h after light	0.7858703333333333	0.348739	1.04097
4 h after dark	1.2452619999999999	0.907736	1.62598
8 h after dark	1.171649	0.970377	1.37956
12 h after dark	0.8559933333333333	0.755678	0.995599