condition	mean	min	max
4 h after light	7.412990499999999	7.252192	7.573789
8 h after light	8.0719395	7.573789	8.57009
12 h after light	7.2863715	6.998954	7.573789
4 h after dark	7.4485515	7.397353	7.49975
8 h after dark	7.5087275	7.443666	7.573789
12 h after dark	8.139402	8.139402	8.139402