
VisualWeather
TM
Software Table of Contents
Appendices
A. Evapotranspiration, Vapor Pressure Deficit,
and Crop Water Needs.........................................A-1
A.1 Evapotranspiration.............................................................................. A-1
A.2 Vapor Pressure Deficit of the Air....................................................... A-8
A.3 Crop Water Needs, Crop Coefficients................................................ A-9
B. Growing Degree Days (GDD) and
Pest Emergence....................................................B-1
B.1 Growing Degree Days..........................................................................B-1
B.1.1 Method .......................................................................................B-1
C. Dew Point.................................................................C-1
C.1 Dew Point.............................................................................................C-1
C.1.1 Method .......................................................................................C-1
C.2 References............................................................................................C-1
D. Wind Chill.................................................................D-1
D.1 Wind Chill .......................................................................................... D-1
D.1.1 Method...................................................................................... D-1
D.2 References........................................................................................... D-1
E. Chill Hours...............................................................E-1
E.1 Chill Hours...........................................................................................E-1
E.1.1 Method........................................................................................E-1
F. Heat Index ................................................................ F-1
F.1 Heat Index ............................................................................................F-1
F.1.1 Method........................................................................................F-1
F.2 References............................................................................................F-1
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