condition	mean	min	max
4 h after light	4.12336	4.02721	4.19625
8 h after light	4.040403333333334	3.9525300000000003	4.08774
12 h after light	4.06184	3.92099	4.32152
4 h after dark	3.871853333333333	3.8198	3.94951
8 h after dark	3.97071	3.93028	3.99391
12 h after dark	4.081506666666667	3.96715	4.26208