Evaluation of ERA-Interim Air Temperature Data over the Qilian Mountains of China

Table 2

Comparison of ERA-Interim daily temperature with observations at all 24 stations.

No.	r			Bias (°C)			RMSE (°C)
	T_mean	T_max	T_min	T_mean	T_max	T_min	T_mean	T_max	T_min
1	0.994	0.988	0.986	−0.4	−2.8	+1.3	±1.4	±3.5	±2.3
2	0.992	0.987	0.976	−1.2	−4.1	+0.7	±2.1	±4.6	±2.8
3	0.996	0.990	0.985	−0.7	−2.6	+1.2	±1.4	±3.2	±2.2
4	0.995	0.991	0.986	−0.7	−3.1	+1.5	±1.4	±3.6	±2.4
5	0.994	0.989	0.985	−1.8	−3.6	−0.2	±2.3	±4.1	±1.9
6	0.989	0.982	0.975	−3.5	−6.1	−1.2	±4.0	±6.6	±2.7
7	0.988	0.982	0.974	−2.3	−5.1	+0.1	±3.0	±5.6	±2.6
8	0.992	0.984	0.982	−2.1	−4.4	−0.1	±2.5	±4.8	±2.0
9	0.990	0.981	0.977	−1.0	−2.7	+0.8	±1.8	±3.3	±2.3
10	0.991	0.985	0.980	−1.8	−3.2	+0.1	±2.3	±3.7	±2.2
11	0.978	0.973	0.967	+2.8	+2.9	+2.8	±3.4	±3.6	±3.8
12	0.993	0.988	0.983	−1.3	−2.4	−0.6	±1.9	±2.9	±2.4
13	0.987	0.982	0.972	−1.1	−3.7	+1.0	±2.1	±4.3	±2.7
14	0.992	0.989	0.976	−1.0	−3.9	+1.4	±1.8	±4.1	±2.9
15	0.983	0.977	0.969	−3.9	−7.0	−1.0	±4.5	±7.4	±3.2
16	0.978	0.966	0.964	−1.5	−4.9	+1.1	±2.7	±5.4	±3.3
17	0.986	0.973	0.975	−3.3	−6.5	−1.1	±3.8	±6.9	±2.5
18	0.994	0.989	0.983	−1.3	−3.7	+0.9	±1.7	±4.0	±2.2
19	0.991	0.987	0.979	−3.4	−5.4	−2.6	±3.6	±5.7	±3.4
20	0.988	0.979	0.976	−2.5	−4.4	−1.1	±2.9	±4.7	±2.4
21	0.976	0.963	0.956	−2.6	−5.2	−0.5	±3.3	±5.7	±3.0
22	0.987	0.969	0.977	−2.9	−4.2	−1.9	±3.3	±4.9	±2.7
23	0.986	0.972	0.970	−3.2	−5.6	−1.9	±3.5	±6.0	±3.0
24	0.989	0.975	0.978	−3.0	−4.4	−2.3	±3.3	±4.9	±3.0