condition	mean	min	max
4 h after light	6.51539	6.31844	6.77221
8 h after light	6.13549	5.74849	6.713610000000001
12 h after light	5.647056666666667	5.483140000000001	5.9560699999999995
4 h after dark	5.609483333333333	5.0782300000000005	5.99704
8 h after dark	5.767	5.31268	6.13781
12 h after dark	5.393846666666667	5.13266	5.65792