This tool calculates statistics about the frost change frequency either from monthly or daily minimum and maximum temperatures. In case of monthly observations these will be spline interpolated to gain a daily resolution.
| | Name | Type | Identifier | Description | Constraints |
| Input | Minimum Temperature | Grid list (input) | TMIN | Monthly (12) or daily (365) temperature observations. | - |
| Maximum Temperature | Grid list (input) | TMAX | Monthly (12) or daily (365) temperature observations. | - |
| Output | Frost Change Frequency | Grid (output) | FREQUENCY | The number of days with frost change. | - |
| Mean Temperature Span (*) | Grid (optional output) | DT_MEAN | Mean daily temperature span of frost change days. | - |
| Maximum Temperature Span (*) | Grid (optional output) | DT_MAX | Maximum daily temperature span of frost change days. | - |
| Standard Deviation of Temperature Span (*) | Grid (optional output) | DT_STDV | Standard deviation of daily temperature span of frost change days. | - |
| Mean Minimum Temperature (*) | Grid (optional output) | TMIN_MEAN | Mean daily minimum temperature of frost change days. | - |
| Minimum Temperature (*) | Grid (optional output) | TMIN_MIN | Coldest daily minimum temperature of all frost change days. | - |
| Options | Grid system | Grid system | PARAMETERS_GRID_SYSTEM | - | - |
| (*) optional |