condition	mean	min	max
4 h after light	1536.6754685	1411.349649	1662.001288
8 h after light	1426.9324145	1328.113976	1525.750853
12 h after light	1500.1403735	1427.715385	1572.565362
4 h after dark	1783.811847	1519.545483	2048.078211
8 h after dark	1981.040973	1707.433443	2254.648503
12 h after dark	1580.191495	1580.191495	1580.191495