condition	mean	min	max
0 h after light	6.514315	6.06409	6.96454
4 h after light	3.589695	3.46541	3.71398
8 h after light	3.93074	3.09099	4.77049
4 h after dark	9.031725	8.82176	9.24169
8 h after dark	8.24079	8.01309	8.46849
12 h after dark	8.375824999999999	7.15019	9.60146