condition	mean	min	max
3 h after light	15.691233333333333	15.2794	16.0579
6 h after light	15.639366666666668	13.195	17.8653
9 h after light	17.7646	14.7897	21.3978
12 h after light	18.0361	16.0098	22.1352
3 h after dark	18.248533333333334	17.366	19.6685
6 h after dark	16.2296	14.9484	18.23
9 h after dark	14.1751	13.4157	15.2478
12 h after dark	12.0617	11.8532	12.2702