condition	mean	min	max
4 h after light	20.540946499999997	16.938024	24.143869
8 h after light	11.2827095	10.450459	12.11496
12 h after light	12.135633	11.583418	12.687848
4 h after dark	9.82856	9.693562	9.963558
8 h after dark	9.0933565	8.050176	10.136537
12 h after dark	12.072363	12.072363	12.072363