condition	mean	min	max
4 h after light	1.83725	1.67321	2.00129
8 h after light	1.73083	1.53136	1.9303
12 h after light	2.1983949999999997	1.92143	2.47536
4 h after dark	3.79242	3.67436	3.91048
8 h after dark	3.15831	3.14829	3.16833
12 h after dark	2.69763	2.54601	2.84925