Table 5.

Experimental error statistics with 95% confidence intervals for 0-10 cm layer soil moisture, verified against Texas A&M North American Soil Moisture Database in situ observations from 1 April to 1 October 2011. Experiment configurations are summarized in Table 3. The best statistics in each category are in bold font.

Metric	Upper Layer Soil Moisture
# Stations	194
Experiment	OPL	NoBC	BC1	BCS	BCV
Bias	−0.000 ± 0.011	−0.026 ± 0.011	−0.023 ± 0.011	−0.005 ± 0.011	−0.025 ± 0.011
RMSE	0.082 ± 0.005	0.087 ± 0.006	0.086 ± 0.005	0.082 ± 0.005	0.087 ± 0.006
Unbiased RMSE	0.046 ± 0.003	0.043 ± 0.002	0.043 ± 0.002	0.044 ± 0.003	0.043 ± 0.002
Correlation	0.451 ± 0.023	0.573 ± 0.027	0.569 ± 0.026	0.539 ± 0.025	0.561 ± 0.026