condition	mean	min	max
4 h after light	9.6212845	8.95596	10.286609
8 h after light	9.298265	8.792549	9.803981
12 h after light	9.5514695	9.298958	9.803981
4 h after dark	10.2475925	9.122214	11.372971
8 h after dark	11.306151	10.56561	12.046692
12 h after dark	9.101144	9.101144	9.101144