CO DWR · IRNSTNCO

IRONSTONE CANAL RIVER

CO DWR · IRNSTNCOLIVE

Ironstone Canal Near Olathe, Co

MONTROSE COUNTY, CO38.5688°N, -107.9794°W Updated 1 d ago

FLOW RATE

237cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

237cfs

Optimal band: 201–273 cfs

PERIOD HIGH

237cfs

PERIOD LOW

237cfs

RUNNABLE

100%

last 1 day in band

Weather Map

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Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

5.7in

-24% vs normal

5.72 in of precipitation so far this year, 24% below the 30-year normal of 7.55 in for this point in the season.

YTD Total

5.7in

This year so far

Normal to Date

7.5in

30-yr average

Typical Range

4.7–9.7in

10th–90th pct YTD

Departure

-24%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.02" · normal 1.22" (0.6–1.9)

Jan

Feb: 0.83" · normal 1.22" (0.6–1.7)

Feb

Mar: 0.55" · normal 1.46" (0.7–2.3)

Mar

Apr: 1.85" · normal 1.59" (0.6–2.6)

Apr

May: 0.89" · normal 1.29" (0.3–2.3)

May

Jun: 0.50" · normal 0.50" (0.1–1.1)

Jun

Jul: 0.08" (so far)· normal 0.81" (0.2–1.4)

Jul

Aug: normal 0.97" (0.3–1.6)

Aug

Sep: normal 1.10" (0.3–2.1)

Sep

Oct: normal 1.28" (0.4–2.4)

Oct

Nov: normal 1.22" (0.5–2.2)

Nov

Dec: normal 1.17" (0.6–2.0)

Dec

Baseline 1991–2020 · Source: Open-Meteo22:38 UTC

Your History · Ironstone Canal Near Olathe, Co

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Station Location

38.5688, -107.9794

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DATA · CO DWR · NOAA · NWSUPDATED 2026-07-12 06:00 UTC

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