condition	mean	min	max
4 h after light	9.009593333333333	8.84195	9.14688
8 h after light	8.986386666666668	8.64215	9.27635
12 h after light	9.216183333333333	9.0836	9.31524
4 h after dark	9.182500000000001	9.00285	9.37803
8 h after dark	9.1209	9.020480000000001	9.249039999999999
12 h after dark	8.927293333333333	8.74789	9.07005