condition	mean	min	max
4 h after light	4.23037	4.19272	4.29472
8 h after light	4.231199999999999	4.19462	4.25857
12 h after light	4.195426666666667	4.1643	4.22065
4 h after dark	4.260183333333333	4.19149	4.35112
8 h after dark	4.177553333333333	4.12854	4.249709999999999
12 h after dark	4.275863333333333	4.2262699999999995	4.31555