condition	mean	min	max
4 h after light	14.6266635	14.333279	14.920048
8 h after light	12.764958	12.375954	13.153962
12 h after light	15.520201499999999	14.920048	16.120355
4 h after dark	14.877424999999999	14.834802	14.920048
8 h after dark	17.510523499999998	15.502854	19.518193
12 h after dark	14.446213	14.446213	14.446213