Yield, Yield Distribution, and Forage Quality of Warm-Season Perennial Grasses Grown for Pasture or Biofuel in the Southern Great Plains

Table 1

Monthly precipitation during the years of 2004 and 2005 and historical long-term average precipitation near Ardmore, OK, USA.

Month	102-year average (mm)^a	2004 (mm)	2005 (mm)
January	45.2	30.0	122.0
February	52.3	94.0	50.0
March	74.0	37.0	18.5
April	102.4	108.5	6.6
May	132.3	14.0	90.7
June	101.1	206.0	63.7
July	69.0	140.2	130.3
August	87.1	51.0	159.8
September	91.2	7.9	65.3
October	94.2	169.7	87.9
Total	848.8	858.3	794.5

^aOklahoma Mesonet weather data.