condition	mean	min	max
4 h after light	4.818525	3.53649	6.10056
8 h after light	7.6519449999999996	7.44358	7.86031
12 h after light	6.74648	6.16322	7.32974
4 h after dark	5.16464	4.77424	5.44535
8 h after dark	6.34189	5.91959	6.87538
12 h after dark	7.381456666666667	7.1032	7.88247