condition	mean	min	max
4 h after light	4.79674	4.7657	4.8289599999999995
8 h after light	4.908746666666667	4.7533900000000004	5.02077
12 h after light	4.90487	4.79469	5.04875
4 h after dark	4.898266666666666	4.67408	5.22191
8 h after dark	4.73784	4.68435	4.79108
12 h after dark	4.72248	4.68001	4.80282