condition	mean	min	max
4 h after light	11.7708315	11.638904	11.902759
8 h after light	15.123671	14.834858	15.412484
12 h after light	17.4726465	15.447394	19.497899
4 h after dark	15.360692	14.593488	16.127896
8 h after dark	12.5058215	12.006029	13.005614
12 h after dark	17.2647	17.2647	17.2647