| Index | Sandia Method | NSRDB TMY2s |
|---|---|---|
| Max Dry Bulb Temp | 1/24 | 1/20 |
| Min Dry Bulb Temp | 1/24 | 1/20 |
| Mean Dry Bulb Temp | 2/24 | 2/20 |
| Max Dew Point Temp | 1/24 | 1/20 |
| Min Dew Point Temp | 1/24 | 1/20 |
| Mean Dew Point Temp | 2/24 | 2/20 |
| Max Wind Velocity | 2/24 | 1/20 |
| Mean Wind Velocity | 2/24 | 1/20 |
| Global Radiation | 12/24 | 5/20 |
| Direct Radiation | Not Used | 5/20 |