| Term: | Approximate freezing index |
| Definition: |
The cumulative number of degree-days below 0˚C for a given time period, calculated from the mean monthly temperatures for a specific station without making corrections for positive degree-days in spring and fall IPAPermafrost
GCW |
| Term: | Approximate freezing index |
| Definition: | The cumulative number of degree-days below 0˚C for a given time period, calculated from the mean monthly temperatures for a specific station without making corrections for positive degree-days in spring and fall |