condition	mean	min	max
4 h after light	1507.65	1443.49	1571.81
8 h after light	4881.88	4684.21	5079.55
12 h after light	4982.91	4872.3	5093.52
4 h after dark	1470.015	1175.38	1764.65
8 h after dark	359.403	350.405	368.401
12 h after dark	108.031	103.724	112.338