Long Tom River

River in Oregon, read from 3 USGS gauges, draining about 391 square miles. Figures refresh every fifteen minutes.

Discharge

307

cfs · 14 min ago

Normal for today

741

cfs median, 103 yrs

Water temp

°F · 14 min ago

Gage height

4.80

Normal for the date41% of medianUSGS gauge 14170000

Thirty-day mean discharge · 56.7–301 cfsdashed line: today’s long-term median

Gauges on this water

Reading by reach

Station	Flow	Temp	Updated
LONG TOM RIVER AT MONROE, OR14170000	307 cfs	61°F	14 min ago
LONG TOM RIVER NEAR ALVADORE, OR14169000	not reporting	32°F	—
LONG TOM RIVER NEAR NOTI, OR14166500	13.9 cfs	51°F	14 min ago

Reading the number

On this date the gauge has averaged 741 cfs over 103 years of record, with the middle half of years falling between 51.0 and 975 cfs. Today sits inside that band, which is as close to a normal October day as the gauge can tell you.

Regional hatch calendar

What is likely hatching near Long Tom River

Long Tom River does not have its own verified chart yet. This calendar is combined from the verified charts on Mckenzie River (48 mi), North Santiam River (65 mi), North Umpqua River (68 mi). Treat it as regional timing, and file a report if you see something different here.

Month-by-month insect activity for Long Tom River
Insect	J	F	M	A	M	J	J	A	S	O	N	D
Caddis	January: absent	February: absent	March: active	April: peak	May: peak	June: peak	July: peak	August: peak	September: active	October: peak	November: absent	December: absent
Blue-Winged Olive	January: absent	February: absent	March: peak	April: peak	May: active	June: absent	July: absent	August: absent	September: active	October: peak	November: peak	December: absent
Golden Stonefly	January: absent	February: absent	March: absent	April: absent	May: active	June: peak	July: peak	August: active	September: absent	October: absent	November: absent	December: absent
Midge	January: peak	February: peak	March: peak	April: peak	May: active	June: absent	July: absent	August: absent	September: active	October: peak	November: peak	December: peak
Pale Morning Dun	January: absent	February: absent	March: absent	April: absent	May: active	June: peak	July: peak	August: active	September: absent	October: absent	November: absent	December: absent
Coho	January: absent	February: absent	March: absent	April: absent	May: absent	June: absent	July: absent	August: absent	September: active	October: peak	November: active	December: absent
Hatchery Trout	January: absent	February: absent	March: absent	April: absent	May: absent	June: active	July: peak	August: peak	September: peak	October: active	November: absent	December: absent
March Brown	January: absent	February: active	March: peak	April: peak	May: active	June: absent	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: absent	September: active	October: peak	November: active	December: absent
Salmonfly	January: absent	February: absent	March: absent	April: absent	May: active	June: peak	July: active	August: absent	September: absent	October: absent	November: absent	December: absent
Spring Chinook	January: absent	February: absent	March: absent	April: active	May: active	June: peak	July: peak	August: active	September: absent	October: absent	November: absent	December: absent
Summer Steelhead	January: absent	February: absent	March: absent	April: active	May: active	June: peak	July: peak	August: active	September: active	October: active	November: absent	December: absent

PeakActiveAbsent

Reports

From anglers on Long Tom 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.