condition	mean	min	max
4 h after light	16.3618	15.0757	17.6479
8 h after light	12.82275	12.0168	13.6287
12 h after light	14.2347	14.0094	14.46
4 h after dark	14.724933333333333	14.2754	15.037
8 h after dark	17.010766666666665	16.5301	17.7808
12 h after dark	16.3703	15.9555	16.7088