condition	mean	min	max
4 h after light	23.127381	20.390679	25.864083
8 h after light	22.277104	21.972249	22.581959
12 h after light	17.658746	16.855235	18.462257
4 h after dark	22.0729265	21.563894	22.581959
8 h after dark	23.106224	22.581959	23.630489
12 h after dark	23.609398	23.609398	23.609398