diff --git a/source/_components/environment_canada.markdown b/source/_components/environment_canada.markdown
index 04d2ec131b6..2c9c43ae2fd 100644
--- a/source/_components/environment_canada.markdown
+++ b/source/_components/environment_canada.markdown
@@ -101,6 +101,7 @@ sensor:
     - `uv_index` - The next forecast UV index.
     - `pop` - The next forecast probability of precipitation, in %.
     - `text_summary` - A textual description of the next forecast period, e.g. "Tonight. Mainly cloudy. Low -12."
+    - `precip_yesterday` - The total amount of precipitation that fell the previous day.
     - `warnings` - Current warning alerts.
     - `watches` - Current watch alerts.
     - `advisories` - Current advisory alerts.