condition	mean	min	max
4 h after light	5.641870000000001	4.9728	6.31094
8 h after light	7.801864999999999	7.69116	7.91257
12 h after light	9.205425	8.38775	10.0231
4 h after dark	10.3577	10.0971	10.6183
8 h after dark	8.441105	7.76904	9.11317
12 h after dark	8.382595	7.82963	8.93556