condition	mean	min	max
4 h after light	21.4612105	18.49733	24.425091
8 h after light	22.189664	20.578047	23.801281
12 h after light	22.790718	19.084893	26.496543
4 h after dark	22.694252499999997	19.045454	26.343051
8 h after dark	20.279559499999998	18.396024	22.163095
12 h after dark	20.716727	20.716727	20.716727