condition	mean	min	max
4 h after light	20.6488355	19.692103	21.605568
8 h after light	23.2654865	19.282725	27.248248
12 h after light	20.929911	17.885435	23.974387
4 h after dark	17.534058	17.393368	17.674748
8 h after dark	18.4188615	14.556267	22.281456
12 h after dark	23.524964	23.524964	23.524964