condition	mean	min	max
4 h after light	7.8657415	7.24201	8.489473
8 h after light	7.5743455	6.269531	8.87916
12 h after light	8.2347935	7.347142	9.122445
4 h after dark	8.217727	8.112779	8.322675
8 h after dark	7.9472795000000005	7.833891	8.060668
12 h after dark	7.348879	7.348879	7.348879