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Table 4
Statistical values (standard deviation, σ; median; and mean value, µ) of the difference between measured radiometric PWV values and every MERRA-2 grid point indicated in Table 1 along with the interpolated data for both studied sites during 2019.
| APEX | LHATPRO | |||||
|---|---|---|---|---|---|---|
| σ | Median | µ | σ | Median | µ | |
| (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | |
| Bidimensional Interpolation | 0.681 | −0.007 | −0.021 | 1.240 | 0.256 | 0.171 |
| MERRA-2 Northwest (NW) | 0.722 | −0.094 | −0.208 | 1.399 | 0.021 | −0.169 |
| MERRA-2 Northeast (NE) | 0.753 | 0.033 | 0.115 | 1.352 | 0.68 | 0.827 |
| MERRA-2 Southwest (SW) | 0.772 | −0.125 | −0.309 | 1.412 | 0.006 | −0.234 |
| MERRA-2 Southeast (SE) | 0.704 | −0.004 | −0.043 | 1.406 | 0.703 | 0.807 |
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