Interpolation of Missing Precipitation Data Using Kernel Estimations for Hydrologic Modeling

Table 8

Calculating missing precipitation for 2010-02-12 (actual value is 6) with six different methods.

Method	4NN	6NN	8NN
Ep	5.949	5.172	4.862
Qu	5.956	5.302	4.936
Tw	5.755	5.294	4.952
Tc	6.205	5.407	4.963
Co	5.945	5.197	4.876
Reg	10.325	8.967	8.813

(Ep: Epanechnikov, Qu: Quartic, Tw: Triweight, Tc: Tricube, Co: Cosine, and Reg: regression).