condition	mean	min	max
4 h after light	6.9999199999999995	6.31962	7.68022
8 h after light	6.5789100000000005	6.45016	6.70766
12 h after light	8.446795	6.88429	10.0093
4 h after dark	9.714604999999999	8.91061	10.5186
8 h after dark	9.941095	9.74259	10.1396
12 h after dark	8.33491	7.11374	9.55608