Rain rate modeling of 1-min from various integration times in South Korea

SpringerPlus

Table 16 Error obtained after testing at 0.01 % of time using regional coefficient sets

Models	5–1 min		10–1 min		20–1 min		30–1 min		60–1 min
Models	Error \(\upvarepsilon\) (%)	RMSE (%)	Error \(\upvarepsilon\) (%)	RMSE (%)	Error \(\upvarepsilon\) (%)	RMSE (%)	Error \(\upvarepsilon\) (%)	RMSE (%)	Error \(\upvarepsilon\) (%)	RMSE (%)
ITU-R P.837-6	−10.56	8.43	−12.68	10.12	54.44	43.44	117.52	93.78	121.25	96.76
Segal	−1.25	0.99	−3.20	2.55	0.20	0.16	6.41	5.11	8.49	6.78
Burgueno et al.	−3.00	2.39	−2.35	1.88	1.84	1.47	13.27	10.59	16.66	13.30
Chebil and Rahman	−2.55	2.03	−2.21	1.76	0.69	0.55	2.44	1.95	10.11	8.07
Logarithmic	−2.95	2.36	−3.69	2.94	0.85	0.68	7.75	6.18	10.29	8.21
Global coefficients	−3.22	2.57	3.56	2.84	17.62	14.06	38.71	30.89	99.88	79.70
Second order polynomial fit	−0.99	0.79	2.16	1.73	0.38	0.30	6.97	5.56	10.84	8.65
Third order polynomial fit	−3.13	2.50	−2.30	1.84	0.04	0.03	3.58	2.86	−1.27	1.01
Model 1	−4.62	3.69	−4.22	3.37	−1.76	1.40	4.54	3.62	−0.87	0.70
Model 2	−2.59	2.07	−1.18	0.94	1.06	0.84	12.80	10.21	16.34	13.04
Model 3	−0.94	0.75	2.17	1.73	0.36	0.29	11.75	9.37	13.77	10.98