Find location
Click on a marker
Zoom map to county by entering zipcode:
Select base temperature
40 ºF
50 ºF
60 ºF
Select projected period
Start:
End:
Graph options
Display average
Display last season
About GDD
GDD are a measure of heat accumulation used by horticulturists, gardeners, and farmers to predict plant and pest development rates such as the date that a flower will bloom or a crop reach maturity.
Map
Total Accumulated and Projected
Accumulated by Period
Daily updated and climatology
Climatology only
Selected weather station *
* Click on the map to select