condition	mean	min	max
4 h after light	0.5925733333333333	0.0	1.77772
8 h after light	4.02883	1.07115	6.91389
12 h after light	3.02382	2.48395	3.78679
4 h after dark	6.65794	4.88898	8.27255
8 h after dark	5.28596	2.7889	8.38016
12 h after dark	4.066433333333333	3.4743	4.40559