condition	mean	min	max
4 h after light	10.2253465	8.6363	11.814393
8 h after light	9.3731305	8.942892	9.803369
12 h after light	8.8434495	8.726354	8.960545
4 h after dark	8.516389499999999	8.464527	8.568252
8 h after dark	8.7293105	7.638931	9.81969
12 h after dark	8.923918	8.923918	8.923918