Table 1: Parameters and coefficients of determination in simulating electron cloud model and Rayleigh distribution model.

Cities Electron cloud model Rayleigh distribution model Shenyang 4.9 0.969 0.0312 0.962 Suzhou 7.7 0.977 0.0130 0.982 Qinhuangdao 6.2 0.974 0.0196 0.979 Bengbu 5.7 0.965 0.0233 0.965 Yinchuan 6.9 0.960 0.0160 0.953 Wujiang 5.1 0.977 0.0283 0.970 Changshu 4.6 0.963 0.0343 0.958 Suzhou 4.7 0.982 0.0341 0.979 Huaibei 4.5 0.980 0.0366 0.978 Changde 5.4 0.980 0.0258 0.977 Chaozhou 5.2 0.990 0.0275 0.985 Weifang 5.2 0.989 0.0270 0.983 Mean value = 0.976 Mean value = 0.973 Standard deviation = 0.009 Standard deviation = 0.010