condition	mean	min	max
4 h after light	8.757905000000001	8.358204	9.157606
8 h after light	9.0494005	8.762941	9.33586
12 h after light	8.184728	7.729781	8.639675
4 h after dark	7.8698145	7.60377	8.135859
8 h after dark	9.234891999999999	8.446746	10.023038
12 h after dark	8.446746	8.446746	8.446746