Ranks the coming week's days for spraying Liberty (glufosinate) herbicide,
using the US National Weather Service forecast. Glufosinate works best on warm, humid, sunny
days with light wind and no rain for several hours after application.
Tip: right-click your field in Google Maps to copy its lat, lon.
US locations only (National Weather Service coverage).
Spray-condition settings
Spray window is the daytime range you'd consider. "Rainfast hours" is how
long the herbicide needs to stay dry after spraying (Liberty's label is ~4 hours).