condition	mean	min	max
4 h after light	8.989184999999999	8.588429	9.389941
8 h after light	8.5781125	8.34023	8.815995
12 h after light	7.524715	6.839744	8.209686
4 h after dark	8.9546455	8.55724	9.352051
8 h after dark	8.2021785	7.847117	8.55724
12 h after dark	7.820455	7.820455	7.820455