condition	mean	min	max
4 h after light	8099.08	7787.92	8597.83
8 h after light	9616.792779	8836.485	10406.52667
12 h after light	9206.117778	8708.806667	9576.796667
1.5 h after dark	9957.324443333333	7285.95	12067.01333
5.5 h after dark	6709.585555666667	6036.296667	7871.303333
9.5 h after dark	7232.053333333333	5907.36	8878.563333