condition	mean	min	max
4 h after light	10.033310499999999	9.668262	10.398359
8 h after light	8.5052725	8.129093	8.881452
12 h after light	11.168079	8.814393	13.521765
4 h after dark	9.0953835	8.785906	9.404861
8 h after dark	33.140945	13.291517	52.990373
12 h after dark	8.487584	8.487584	8.487584