condition	mean	min	max
4 h after light	11.54425	10.1623	12.9262
8 h after light	7.553445	7.5039	7.60299
12 h after light	9.4296	8.7914	10.0678
4 h after dark	14.63825	13.7202	15.5563
8 h after dark	14.69005	13.7646	15.6155
12 h after dark	12.91005	12.7036	13.1165