Table 4 Seasonal bias statistics comparing the WRF historical simulation during the period 1981–2019 to both the ERA5 and PRISM datasets, including CONUS-wide mean absolute biases for daily maximum temperature and precipitation, as well as the spatial pattern correlation coefficients mean daily maximum temperature and precipitation across the CONUS.
|  | Mean Absolute Daily Maximum Temperature Bias (°C) | Mean Absolute Daily Precipitation Bias (mm) | ||
|---|---|---|---|---|
WRF vs. ERA5 | WRF vs. PRISM | WRF vs. ERA5 | WRF vs. PRISM | |
Winter (DJF) | 1.73 | 1.68 | 0.24 | 0.33 |
Spring (MAM) | 1.12 | 0.97 | 0.31 | 0.30 |
Summer (JJA) | 1.09 | 1.04 | 0.56 | 0.58 |
Fall (SON) | 0.78 | 0.81 | 0.36 | 0.32 |
| Â | Mean Daily Maximum Temperature Spatial Pattern Correlation | Mean Daily Precipitation Spatial Pattern Correlation | ||
WRF vs. ERA5 | WRF vs. PRISM | WRF vs. ERA5 | WRF vs. PRISM | |
Winter (DJF) | 0.99 | 0.99 | 0.96 | 0.96 |
Spring (MAM) | 0.99 | 0.99 | 0.95 | 0.94 |
Summer (JJA) | 0.95 | 0.95 | 0.91 | 0.90 |
Fall (SON) | 0.99 | 0.99 | 0.95 | 0.95 |
