Table 2 Lag-1 serial autocorrelation coefficient of precipitation at different time scales.
Station | Jan. | Feb. | Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | Spring | Summer | Autumn | Winter | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wuqi | −0.028 | −0.130 | 0.061 | 0.038 | −0.070 | −0.023 | −0.050 | 0.048 | 0.096 | −0.124 | 0.064 | 0.055 | −0.004 | −0.131 | 0.063 | −0.021 | −0.158 |
Suide | −0.094 | −0.106 | 0.038 | 0.070 | −0.126 | 0.016 | −0.017 | 0.226 | −0.058 | −0.169 | −0.099 | −0.078 | 0.046 | 0.033 | −0.079 | −0.081 | 0.010 |
Hequ | 0.095 | −0.021 | 0.118 | 0.110 | 0.154 | −0.112 | −0.133 | −0.015 | 0.055 | −0.078 | −0.260 | −0.029 | 0.212 | −0.150 | 0.069 | 0.168 | −0.152 |
Xingxian | 0.090 | −0.162 | −0.011 | 0.006 | 0.000 | 0.089 | 0.037 | 0.030 | −0.410 | −0.152 | 0.038 | −0.104 | 0.050 | −0.193 | 0.003 | −0.166 | −0.158 |
Wuzhai | 0.224 | −0.066 | −0.061 | 0.098 | 0.012 | 0.069 | 0.062 | −0.077 | −0.165 | −0.143 | −0.073 | −0.211 | 0.135 | −0.013 | −0.107 | −0.108 | −0.151 |
Youyu | 0.010 | −0.169 | −0.004 | 0.103 | −0.064 | −0.267 | 0.059 | −0.170 | 0.118 | −0.134 | −0.085 | 0.055 | 0.061 | −0.254 | 0.089 | −0.095 | −0.253 |
Datong | 0.085 | −0.020 | −0.047 | −0.036 | −0.070 | 0.109 | −0.137 | −0.270 | 0.044 | 0.153 | −0.104 | −0.043 | −0.067 | −0.119 | 0.086 | −0.028 | −0.244 |
Tongxin | −0.142 | 0.055 | −0.029 | −0.153 | 0.054 | −0.060 | 0.133 | −0.025 | 0.084 | −0.149 | 0.003 | −0.011 | 0.085 | −0.063 | 0.115 | 0.216 | −0.039 |
Haiyuan | −0.077 | 0.068 | −0.108 | −0.147 | 0.111 | 0.012 | 0.214 | −0.027 | −0.102 | −0.159 | 0.149 | 0.013 | 0.128 | 0.002 | 0.147 | 0.081 | −0.039 |
Guyuan | −0.056 | 0.174 | −0.018 | 0.174 | 0.076 | −0.064 | 0.168 | −0.056 | 0.091 | −0.079 | −0.007 | −0.036 | 0.051 | −0.164 | −0.036 | 0.077 | −0.074 |
Xiji | 0.075 | 0.101 | −0.204 | 0.039 | 0.115 | 0.110 | 0.086 | −0.087 | 0.043 | −0.001 | −0.035 | −0.067 | 0.050 | 0.017 | 0.218 | 0.123 | 0.133 |
Huanxian | −0.068 | 0.019 | 0.047 | 0.197 | −0.067 | 0.099 | −0.045 | −0.052 | 0.209 | −0.016 | −0.097 | 0.072 | 0.049 | −0.179 | −0.055 | 0.058 | −0.070 |
Jingyuan | 0.011 | −0.081 | −0.057 | −0.139 | 0.112 | −0.021 | 0.190 | 0.157 | −0.103 | −0.201 | 0.036 | −0.038 | 0.074 | 0.169 | −0.031 | −0.019 | 0.071 |
Yuzhong | −0.088 | 0.152 | −0.266 | −0.183 | −0.014 | −0.005 | 0.178 | 0.003 | −0.138 | 0.005 | 0.010 | −0.142 | −0.126 | −0.084 | 0.082 | −0.001 | −0.101 |