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Table III
Comparison of interpolated and homogenised measured time series: Daily average of station means, with n = number of stations, I = interpolated average, M = measured average, ME = Deviation (I–M), PMAE = Percentage of Deviation, DTR = diurnal temperature range.
| Variable | Unit | n | I | M | ME | PME |
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| Temperature | 75 | 8.4 | 8.0 | 0.4 | 4.8 | |
| Temperature (max) | °C | 75 | 12.4 | 12.2 | 0.3 | 2.2 |
| Temperature (min) | 74 | 4.5 | 4.0 | 0.6 | 14.4 | |
| DTR | 74 | 8.0 | 8.3 | –0.3 | –3.8 | |
| Precipitation | mm | 71 | 2.8 | 2.5 | 0.2 | 8.0 |
| Rel. humidity | % | 75 | 79.6 | 80.3 | –0.8 | –1.0 |
| Solar radiation | Wm-2 | 74 | 117 | 113 | 4.9 | 4.3 |
| Wind speed | ms-1 | 73 | 2.7 | 2.1 | 0.6 | 30.9 |