condition	mean	min	max
4 h after light	17.39535	16.7389	18.0518
8 h after light	14.0123	13.3859	14.6387
12 h after light	12.0252	11.8848	12.1656
4 h after dark	9.983395	9.62089	10.3459
8 h after dark	8.143650000000001	7.65095	8.63635
12 h after dark	11.563749999999999	11.4302	11.6973