condition	mean	min	max
4 h after light	1.9282599999999999	1.82615	2.03037
8 h after light	1.30901	1.29947	1.31855
12 h after light	3.7346649999999997	3.58148	3.88785
4 h after dark	3.4144200000000002	3.02395	4.13175
8 h after dark	4.278383333333333	3.79871	4.93056
12 h after dark	3.0323966666666666	2.85238	3.34613