Online Phenology Models and Degree-day Calculator
info El Monte CA  station: KEMT METAR elev: 295 ft  lat/long: 34.0831 -118.0331
  Select location by clicking on pin in Google Map above
 codling moth revised 07
 [apple & pear]
Knight 2007		eggsimmaturepupaadult
  info Model category: 

  Select model: (see list)   (model params) 

  Output in:

  Start:
  Starting date instructions: first consistent capture of moths in pheromone traps

  End:  
  Model validation status: actively undergoing evaluation Region(s): used in WA

  info Forecast type: 

Model
preview:

future
events		 Weather data QA score 0.95; 0 days missing
Date DDs Event
 Apr 9 19 days ago 1480 2nd generation: 30% egg hatch, 74% moth flight
 Apr 17 11 days ago 1605 2nd generation: 50% egg hatch, 89% moth flight
 Apr 29 1 day away 1765 2nd generation: 75% egg hatch, 96% moth flight
 May 10 12 days away 1940 2nd gen: 90% egg hatch, 3rd gen: 7% moth flight
 May 22 24 days away 2120 2nd gen: 97% egg hatch, 3rd gen: 35% moth flight

        
 
  info  Output:  Simple header  No table  Graph precip 

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Oregon IPM Center at Oregon State University IPM PIPE The PRISM Group at OSU Western Region Pest Management Center National Institute of Food and Agriculture
All data provided "as is" and users assume all risk in its use - see full disclaimer. All NWS derived data is not subject to copyright protection. This site hosted by the Integrated Plant Protection Center at Oregon State University with support from the USDA National Plant Diagnostic Network, The OSU Agricultural Experiment Station, various USDA CSREES/NIFA grants, USDA SARE, USDA RMA, and USDA IPM Centers - Western Region. Climate map data provided by OSU PRISM Group, real-time public weather data provided by U. Utah Mesowest and other networks including WSU AgWeatherNET, AGRIMET, CPS Adcon Networks, IFPNet Automata, California CIMIS, California PestCast, and others.
Previous versions online since May 16, 1997, this version 5.6, updated Dec 31, 2025
Contact Len Coop at coopl@science.oregonstate.edu if you have any questions about this program.