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Seasonal averages of precipitation (P), air temperature (Tair), soil temperature (Tsoil), relative humidity (RH), and vapor pressure deficit (VPD) at the pasture eddy covariance flux site near Lockney, TX.

 
2010
2011
Parameter Peak growth (June–Aug.) Flowering (Sept.–Oct.) Dormant season (Nov.–Dec.) Peak growth (June–Aug.) Flowering (Sept.–Oct.) Dormant season (Nov.–Dec.)
P, mm 278 47.2 12.7 12 44.5 31.5
Ta, °C 24.7 18.4 6.4 28.0 20.0 7.3
Tsoil, °C 24.9 19.7 9.3 24.8 17.1 8.5
RH, % 62.0 59.2 50.6 38.0 54.3 59.0
VPD, kPa 1.6 1.1 0.7 2.9 1.2 0.5
Irrigation, cm 0.0 0.0 0.0 1.4 2.2 0.0