condition	mean	min	max
2 h after light	19.55405	17.3751	22.8799
6 h after light	20.98205	15.5161	23.5937
10 h after light	21.61365	16.2284	26.0694
14 h after light	22.36305	18.7738	30.5554
18 h after light	22.4963	20.3796	27.3304
2 h after dark	15.74995	10.4036	20.8022