台站 | 对比次数 | 平均值 | 标准差 | 自动与人工观测降水对比百分比 | ||
Ra = Ru | Ra > Ru | Ra < Ru | ||||
敦煌 | 248 | 0.0181 | 0.1202 | 44.76% | 33.47% | 21.77% |
酒泉 | 401 | 0.0097 | 0.2984 | 40.15% | 34.16% | 25.69% |
民勤 | 575 | 0.0045 | 0.2473 | 37.57% | 31.13% | 31.30% |
榆中 | 1203 | 0.0443 | 0.1962 | 33.83% | 44.06% | 22.11% |
西峰 | 1366 | 0.0852 | 0.3328 | 36.90% | 44.29% | 18.81% |
岷县 | 1697 | 0.0004 | 0.2137 | 38.01% | 32.65% | 29.35% |
合计 | 5490 | 0.033 | 0.254 | 37.23 % | 38.03% | 37.23 % |