condition	mean	min	max
4 h after light	9.178004999999999	9.0878	9.26821
8 h after light	8.91946	8.45513	9.38379
12 h after light	8.908035	8.57288	9.24319
4 h after dark	11.700949999999999	11.1402	12.2617
8 h after dark	8.982285	8.93541	9.02916
12 h after dark	9.56554	8.73048	10.4006