CO DWR · SOAKTECO

ARKANSAS RIVER

CO DWR · SOAKTECOLIVE

South Arkansas Below Tennasse Ditch

CHAFFEE COUNTY, CO38.5222°N, -106.0118°W Updated 1 d ago

FLOW RATE

13cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

13cfs

Optimal band: 20–26 cfs

PERIOD HIGH

71cfs

PERIOD LOW

5cfs

RUNNABLE

last 1 year in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

5.9in

-33% vs normal

5.89 in of precipitation so far this year, 33% below the 30-year normal of 8.74 in for this point in the season.

YTD Total

5.9in

This year so far

Normal to Date

8.7in

30-yr average

Typical Range

6.0–11.2in

10th–90th pct YTD

Departure

-33%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.28" · normal 0.88" (0.4–1.6)

Jan

Feb: 0.55" · normal 0.96" (0.5–1.4)

Feb

Mar: 0.84" · normal 1.35" (0.4–2.5)

Mar

Apr: 1.47" · normal 1.86" (0.8–3.1)

Apr

May: 1.98" · normal 1.92" (0.6–3.4)

May

Jun: 0.70" · normal 1.41" (0.5–2.6)

Jun

Jul: 0.07" (so far)· normal 2.33" (0.9–4.0)

Jul

Aug: normal 2.44" (0.8–4.0)

Aug

Sep: normal 1.37" (0.6–2.4)

Sep

Oct: normal 1.25" (0.3–2.2)

Oct

Nov: normal 1.01" (0.4–1.8)

Nov

Dec: normal 0.88" (0.3–1.3)

Dec

Baseline 1991–2020 · Source: Open-Meteo11:10 AM

Your History · South Arkansas Below Tennasse Ditch

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Station Location

38.5222, -106.0118

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

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