condition	mean	min	max
4 h after light	2.5226550000000003	2.26431	2.781
8 h after light	4.18432	2.79256	5.57608
12 h after light	2.8888249999999998	2.7063	3.07135
4 h after dark	3.423923333333333	2.87532	3.99125
8 h after dark	6.25368	3.9916	8.47643
12 h after dark	1.99459596	0.00991788	4.67359