condition	mean	min	max
4 h after light	4.644625	4.6093	4.67995
8 h after light	2.879555	2.84971	2.9094
12 h after light	5.72157	5.67466	5.76848
4 h after dark	11.51705	11.0978	11.9363
8 h after dark	12.2391	11.098	13.3802
12 h after dark	9.794975	9.67375	9.9162