St. Croix River
River in Maine, read from 2 USGS gauges, draining about 1,366 square miles. Figures refresh every fifteen minutes.
Discharge
857
cfs · 18 min ago
Normal for today
1,770
cfs median, 67 yrs
Water temp
—
not measured here
Gage height
4.60
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 1,770 cfs over 67 years of record, with the middle half of years falling between 988 and 2,570 cfs. Today is below that band: lower, clearer and, in summer, warmer water than a typical October day here.
Regional hatch calendar
What is likely hatching near St. Croix River
St. Croix River does not have its own verified chart yet. This calendar is combined from the verified charts on Penobscot River (64 mi), Kennebec River (134 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: absent | April: active | May: peak | June: active | July: absent | August: active | September: peak | October: active | November: active | December: absent |
| Caddis | January: absent | February: absent | March: absent | April: active | May: active | June: peak | July: peak | August: active | September: active | 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 |
| Hendrickson | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Light Cahill | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Quill Gordon | January: absent | February: absent | March: absent | April: active | May: peak | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Terrestrials | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: peak | September: active | October: absent | November: absent | December: absent |
| Brown Drake | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: absent | September: absent | October: absent | November: absent | December: absent |
| Little Black Stonefly | January: absent | February: absent | March: peak | April: active | May: absent | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Sculpin | January: active | February: active | March: active | April: peak | May: active | June: active | July: active | August: active | September: active | October: peak | November: active | December: active |
Reports
From anglers on St. Croix 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.