Online Phenology Models and Degree-day Calculator
fruittree leafroller [tree fruits & ornament.]
insect model of Judd et al 93

  info Select degree-day model list or calculator mode instructions:
 (hint: select all form options, click here:   and make a bookmark for later use)
 For calculator mode, enter thresholds in °F (or celsius °C:) and calculation method:
  info  lower: °     upper: °     info  
info  Select starting and ending dates
 Starting date/BIOFIX instructions: calendar date nominally set at 2 1

info  Select location: Only one column should display a location, otherwise "None"
Oregon, California, Alaska
Washington, Idaho
Montana, Wyoming
 Or upload your own weather data file to calculate: (see format description or example file)
Forecasts: info NWS zipcode/city, state: or site:
info  Select historical average forecast location: Should line up with selected location above
info  Output:    Simple header   Table    Graph    Include precipitation in graph
  Click here to run the model:      Reset: 

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This site hosted by OSU Integrated Plant Protection Center and The WRIPM Center.
Previous versions of this program online since May 16, 1997, last updated Jan 2, 2019 version 4.53
Contact Len Coop at 541-737-5523 if you have any questions about this program.