St. Mary River
River in British Columbia, read from its Environment Canada gauge, draining about 82 square miles. Figures refresh every fifteen minutes.
Discharge
81.9
cfs · 1h ago
Normal for today
—
no long-term record
Water temp
—
not measured here
Water level
4.73
ft
Regional hatch calendar
What is likely hatching near St. Mary River
St. Mary River does not have its own verified chart yet. This calendar is combined from the verified charts on Crowsnest River (91 mi), Kootenai River (105 mi). Treat it as regional timing, and file a report if you see something different here.
| Insect | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blue-Winged Olive | January: absent | February: absent | March: peak | April: peak | May: active | June: active | July: absent | August: active | September: peak | October: peak | November: active | December: absent |
| Caddis | January: absent | February: absent | March: absent | April: absent | May: active | June: active | July: peak | August: peak | September: active | October: active | November: absent | December: absent |
| Green Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: active | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| October Caddis | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: absent | August: active | September: peak | October: peak | November: absent | December: absent |
| Pale Morning Dun | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: absent | October: absent | November: absent | December: absent |
| Terrestrials | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: peak | October: absent | November: absent | December: absent |
| Golden Stonefly | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Grannom | January: absent | February: absent | March: absent | April: absent | May: peak | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Little Black Stonefly | January: absent | February: absent | March: active | April: active | May: active | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Midge | January: active | February: active | March: peak | April: peak | May: active | June: absent | July: absent | August: absent | September: absent | October: active | November: active | December: active |
| Salmonfly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
PeakActiveAbsent
Reports
From anglers on St. Mary River
No reports filed here yet. The first one becomes the page’s local knowledge, stamped with the flow at the time. File a report.