condition	mean	min	max
4 h after light	16.5682715	16.255474	16.881069
8 h after light	18.830462	16.881069	20.779855
12 h after light	17.550683	16.016473	19.084893
4 h after dark	17.7909605	16.969156	18.612765
8 h after dark	16.366369499999998	16.109617	16.623122
12 h after dark	13.920083	13.920083	13.920083