condition	mean	min	max
0 h after light	7.395925	6.42476	8.36709
4 h after light	5.645065000000001	4.96199	6.32814
8 h after light	9.242370000000001	9.11072	9.37402
4 h after dark	10.22352	9.04424	11.4028
8 h after dark	9.269945	8.43679	10.1031
12 h after dark	8.365215	7.42704	9.30339