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Table 1

The statistics of the observed daily and monthly time series for Trinity River and West Nishnabotna River watersheds

ScaleTime seriesStatistical parameterWatershed
Trinity River
West Nishnabotna River
CalibrationValidationCalibrationValidation
Daily Rainfall (mm) Mean 2.38 1.93 2.25 2.56 
Maximum 78.00 82.60 192.00 104.10 
Minimum 
Standard deviation 6.88 6.13 7.40 8.28 
Coefficient of variation (dimensionless) 2.89 3.17 3.29 3.23 
Sample sizes 9,375 3,126 11,160 3,721 
Runoff (m3/s) Mean 145.72 109.02 21.02 28.39 
Maximum 2,860.00 1,475.31 730.57 654.12 
Minimum 12.26 14.33 1.30 2.63 
Standard deviation 214.83 118.60 31.76 36.30 
Coefficient of variation (dimensionless) 1.47 1.09 1.51 1.28 
Sample sizes 9,375 3,126 11,160 3,721 
Monthly Rainfall (mm) Mean 68.69 58.95 68.58 78.08 
Maximum 462.40 289.40 291.60 320.50 
Minimum 
Standard deviation 83.16 67.27 54.91 70.37 
Coefficient of variation (dimensionless) 1.21 1.14 0.80 0.91 
Sample sizes 305 102 363 122 
Runoff (m3/s) Mean 4,454.33 3,326.40 641.53 859.65 
Maximum 28,299.86 12,895.78 5,580.12 5,105.81 
Minimum 377.94 232.76 56.86 123.07 
Standard deviation 5,079.00 2,932.42 657.64 829.08 
Coefficient of variation (dimensionless) 1.14 0.88 1.03 0.96 
Sample sizes 305 102 363 122 
ScaleTime seriesStatistical parameterWatershed
Trinity River
West Nishnabotna River
CalibrationValidationCalibrationValidation
Daily Rainfall (mm) Mean 2.38 1.93 2.25 2.56 
Maximum 78.00 82.60 192.00 104.10 
Minimum 
Standard deviation 6.88 6.13 7.40 8.28 
Coefficient of variation (dimensionless) 2.89 3.17 3.29 3.23 
Sample sizes 9,375 3,126 11,160 3,721 
Runoff (m3/s) Mean 145.72 109.02 21.02 28.39 
Maximum 2,860.00 1,475.31 730.57 654.12 
Minimum 12.26 14.33 1.30 2.63 
Standard deviation 214.83 118.60 31.76 36.30 
Coefficient of variation (dimensionless) 1.47 1.09 1.51 1.28 
Sample sizes 9,375 3,126 11,160 3,721 
Monthly Rainfall (mm) Mean 68.69 58.95 68.58 78.08 
Maximum 462.40 289.40 291.60 320.50 
Minimum 
Standard deviation 83.16 67.27 54.91 70.37 
Coefficient of variation (dimensionless) 1.21 1.14 0.80 0.91 
Sample sizes 305 102 363 122 
Runoff (m3/s) Mean 4,454.33 3,326.40 641.53 859.65 
Maximum 28,299.86 12,895.78 5,580.12 5,105.81 
Minimum 377.94 232.76 56.86 123.07 
Standard deviation 5,079.00 2,932.42 657.64 829.08 
Coefficient of variation (dimensionless) 1.14 0.88 1.03 0.96 
Sample sizes 305 102 363 122 
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