condition	mean	min	max
0 h after light	1.87329	1.87162	1.87496
4 h after light	4.1009649999999995	3.75215	4.44978
8 h after light	3.195135	3.02442	3.36585
4 h after dark	2.425225	2.32835	2.5221
8 h after dark	4.03882	3.4079	4.66974
12 h after dark	2.127085	2.01124	2.24293