condition	mean	min	max
4 h after light	4.438695	2.20643	6.67096
8 h after light	2.107235	1.8016	2.41287
12 h after light	13.5384	11.6745	15.4023
4 h after dark	13.587425	9.61595	17.5589
8 h after dark	7.19428	6.74634	7.64222
12 h after dark	6.041895	5.69294	6.39085