CO DWR · PLAWATCO

SOUTH PLATTE RIVER

CO DWR · PLAWATCOLIVE

South Platte River At Waterton, Co.

JEFFERSON COUNTY, CO39.4883°N, -105.0928°W Updated 1 d ago

FLOW RATE

34.4cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

34.4cfs

Optimal band: 29–40 cfs

PERIOD HIGH

34.4cfs

PERIOD LOW

34.4cfs

RUNNABLE

100%

last 1 day in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

9.8in

-24% vs normal

9.83 in of precipitation so far this year, 24% below the 30-year normal of 12.86 in for this point in the season.

YTD Total

9.8in

This year so far

Normal to Date

12.9in

30-yr average

Typical Range

9.3–16.4in

10th–90th pct YTD

Departure

-24%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.04" · normal 0.90" (0.4–1.5)

Jan

Feb: 0.23" · normal 0.97" (0.3–1.7)

Feb

Mar: 1.35" · normal 2.00" (1.2–3.1)

Mar

Apr: 1.58" · normal 2.99" (1.4–4.5)

Apr

May: 3.98" · normal 3.40" (2.0–5.3)

May

Jun: 1.55" · normal 2.19" (1.0–4.0)

Jun

Jul: 0.10" (so far)· normal 2.11" (0.7–3.5)

Jul

Aug: normal 1.86" (0.8–3.2)

Aug

Sep: normal 1.50" (0.4–2.9)

Sep

Oct: normal 1.66" (0.5–3.1)

Oct

Nov: normal 1.21" (0.5–2.2)

Nov

Dec: normal 0.88" (0.3–1.3)

Dec

Baseline 1991–2020 · Source: Open-Meteo01:22 PM

Your History · South Platte River At Waterton, Co.

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Station Location

39.4883, -105.0928

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

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