condition	mean	min	max
4 h after light	8.28851	4.87494	11.0998
8 h after light	6.39593	2.52884	8.87282
12 h after light	7.17477	3.90045	10.8407
4 h after dark	12.32176	9.01968	14.7533
8 h after dark	12.511113333333334	8.38194	14.9022
12 h after dark	11.204553333333333	9.93196	13.0452