Figure 3.7: Annual number of heavy precipitation days projected for 2021-2050 in Canada, based on current GHG emission trends (RCP 8.5).
![](https://changingclimate.ca/site/assets/uploads/sites/5/2021/11/Figure_3.7_v2-1024x723.png)
Blue areas correspond to areas with more than 10 days per year of extreme precipitation, while brown areas correspond to areas with less than 4 days per year of extreme precipitation. A Heavy Precipitation Day (HPD) is a day on which a total of at least 20 mm of rain or precipitation falls. Frozen precipitation is measured by its liquid equivalent: 20 cm of snow equals about 20 mm of precipitation.
Prairie Climate Centre, 2019.
Source: Prairie Climate Centre, 2019