Layer Estimates:

Layer: WeatherBalloons (ID:0)
Count: 1863
Extent:

XMin: -11666495.2554
YMin: 4803317.6114
XMax: -11552672.1892
YMax: 4825841.5836
Spatial Reference: 102100 (3857)

Layer: WeatherBalloonsTable (ID:1)
Count: 1863