CO DWR · PLABALCO

SOUTH PLATTE RIVER

CO DWR · PLABALCOLIVE

South Platte River At Cooper Bridge Near Balzac

COLORADO40.3577°N, -103.5286°W Updated 1 d ago

FLOW RATE

111cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

111cfs

Optimal band: 127–171 cfs

PERIOD HIGH

519cfs

PERIOD LOW

4cfs

RUNNABLE

13%

last 1 year in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

5.8in

-38% vs normal

5.83 in of precipitation so far this year, 38% below the 30-year normal of 9.36 in for this point in the season.

YTD Total

5.8in

This year so far

Normal to Date

9.4in

30-yr average

Typical Range

6.6–12.1in

10th–90th pct YTD

Departure

-38%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.26" · normal 0.46" (0.2–0.9)

Jan

Feb: 0.15" · normal 0.58" (0.1–1.1)

Feb

Mar: 0.98" · normal 1.15" (0.4–2.0)

Mar

Apr: 0.78" · normal 2.10" (1.0–3.5)

Apr

May: 1.97" · normal 2.78" (1.0–5.1)

May

Jun: 1.49" · normal 2.03" (1.0–3.5)

Jun

Jul: 0.20" (so far)· normal 1.72" (0.6–2.9)

Jul

Aug: normal 1.88" (0.6–3.8)

Aug

Sep: normal 1.15" (0.1–2.0)

Sep

Oct: normal 1.36" (0.5–2.8)

Oct

Nov: normal 0.72" (0.2–1.5)

Nov

Dec: normal 0.56" (0.2–1.1)

Dec

Baseline 1991–2020 · Source: Open-Meteo03:58 PM

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Station Location

40.3577, -103.5286

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

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