condition	mean	min	max
4 h after light	13.942326	11.928839	15.955813
8 h after light	14.563778	11.731186	17.39637
12 h after light	14.583989	12.144648	17.02333
4 h after dark	11.570612	10.334551	12.806673
8 h after dark	11.0601065	10.83558	11.284633
12 h after dark	11.317804	11.317804	11.317804