condition	mean	min	max
4 h after light	23.865189	17.050109	30.680269
8 h after light	14.073288	12.703835	15.442741
12 h after light	12.4901155	10.58223	14.398001
4 h after dark	12.8636105	10.35263	15.374591
8 h after dark	14.040802	13.866509	14.215095
12 h after dark	17.737774	17.737774	17.737774