condition	mean	min	max
4 h after light	8.942519	7.932247	9.952791
8 h after light	8.6560235	7.886982	9.425065
12 h after light	8.339408500000001	8.199373	8.479444
4 h after dark	8.386630499999999	8.370469	8.402792
8 h after dark	10.814544000000001	10.1438	11.485288
12 h after dark	8.991865	8.991865	8.991865