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Output from uspest.org/wea crop degree-day/phenology model program:
Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================
Model species/general links: wheat (Bauer model) [spring wheat]
Type: crop
Model source/other links: Bauer et al 1984 scale guide
Calculation method: Bauer wheat model GDD
Lower threshold: 32 degrees Fahrenheit
Upper threshold: 95 degrees Fahrenheit
Directions for starting/BIOFIX: date of emergence (ca. 180 GDD after planting)
Starting/BIOFIX date: 4 1
No ending date, set to: default date 12 31
Model validation status: in use
Region of known use: Western States
==============================EVENTS TABLE================================
1. -180 GDDs after emergence: Approx. planting date
2. 0 GDDs after emergence: Emergence from soil (Haun 0.5)
3. 72 GDDs after emergence: Leaf 1 fully extended (Haun 1.0)
4. 215 GDDs after emergence: Leaf 2 fuly extended (Haun 2.0)
5. 358 GDDs after emergence: Leaf 3/tillers begin to emerge (Haun 3.0)
6. 501 GDDs after emergence: Leaf 4 fully extended (Haun 4.0)
7. 715 GDDs after emergence: Jointing (Haun 6.3)
8. 930 GDDs after emergence: Leaf 7 fully extended (Haun 7.0)
9. 1075 GDDs after emergence: Flag leaf (leaf 8) emerged (Haun 8.0)
10. 1216 GDDs after emergence: Boot swelling begins (Haun 9.0)
11. 1387 GDDs after emergence: Heading begins (Haun 10.2)
12. 1559 GDDs after emergence: Flowering (anthesis) begins (Haun 11.4)
13. 1645 GDDs after emergence: Kernel watery ripe (Haun 12.0)
==============================MODEL OUTPUT================================
Weather station: 1000 none selected
mn day max min precip DD32 CUMDD32 event
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