condition	mean	min	max
4 h after light	2.26971	2.23216	2.30726
8 h after light	2.669245	2.44101	2.89748
12 h after light	3.7384	3.70975	3.76705
4 h after dark	3.9685249999999996	3.84627	4.09078
8 h after dark	2.66554	2.13107	3.20001
12 h after dark	2.73954	2.27946	3.19962