condition	mean	min	max
4 h after light	4.0944899999999995	4.035159999999999	4.16199
8 h after light	4.03759	4.01253	4.06433
12 h after light	4.0163	3.9954699999999996	4.04438
4 h after dark	4.096676666666666	4.04494	4.19583
8 h after dark	4.044416666666667	3.97535	4.128430000000001
12 h after dark	4.0542766666666665	4.01382	4.0902