condition	mean	min	max
4 h after light	8.97888	8.53979	9.41797
8 h after light	4.09687	3.76693	4.42681
12 h after light	2.5877	2.35704	2.81836
4 h after dark	2.8130366666666666	2.2347	3.87606
8 h after dark	5.677153333333333	3.70555	7.13355
12 h after dark	6.44502	5.33176	7.71274