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Around Sylvia Grinnell River
About this river
Sylvia Grinnell River is a 56.7 mile river. Streamflow is measured at the Water Survey of Canada gauge Sylvia Grinnell River near Iqaluit (site 10UH001). Reach geometry comes from Natural Resources Canada's National Hydro Network.
Typical flow by month
1971 to 2024
Sylvia Grinnell River typically runs highest in July, at a median 4,061 cfs, and lowest in February, at 0.0 cfs. The highest flow on record for any single day is 26,027 cfs, in 2009.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 12 | 7.4 to 17 |
| February | 0.0 | 0.0 to 11 |
| March | 0.0 | 0.0 to 0.0 |
| April | 0.0 | 0.0 to 0.0 |
| May | 0.0 | 0.0 to 0.1 |
| June | 1,586 | 441 to 5,213 |
| July | 4,061 | 2,580 to 6,763 |
| August | 2,129 | 1,568 to 2,992 |
| September | 1,730 | 1,323 to 2,170 |
| October | 539 | 364 to 869 |
| November | 168 | 112 to 243 |
| December | 58 | 30 to 68 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 22 years of record. Statistics published by the US Geological Survey for Sylvia Grinnell River near Iqaluit (site 10UH001). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Sylvia Grinnell River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Sylvia Grinnell River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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