condition	mean	min	max
0 h after light	11.45845	10.9637	11.9532
4 h after light	11.5603	11.4123	11.7083
8 h after light	10.747485000000001	9.69617	11.7988
4 h after dark	7.94229	7.54739	8.33719
8 h after dark	7.4086549999999995	7.04391	7.7734
12 h after dark	11.059474999999999	8.72945	13.3895