CO DWR · PLATAMCO

SOUTH PLATTE RIVER

CO DWR · PLATAMCOLIVE

South Platte Below Tamarack Swa

LOGAN COUNTY, CO40.8701°N, -102.6901°W Updated 1 d ago

FLOW RATE

34cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

34cfs

Optimal band: 20–28 cfs

PERIOD HIGH

60cfs

PERIOD LOW

20cfs

RUNNABLE

87%

last 30 day in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

7.1in

-32% vs normal

7.12 in of precipitation so far this year, 32% below the 30-year normal of 10.5 in for this point in the season.

YTD Total

7.1in

This year so far

Normal to Date

10.5in

30-yr average

Typical Range

6.6–13.8in

10th–90th pct YTD

Departure

-32%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.44" · normal 0.43" (0.1–0.7)

Jan

Feb: 0.14" · normal 0.70" (0.2–1.2)

Feb

Mar: 0.47" · normal 1.26" (0.4–2.3)

Mar

Apr: 0.84" · normal 2.23" (1.1–3.5)

Apr

May: 2.84" · normal 3.11" (1.3–5.0)

May

Jun: 2.02" · normal 2.41" (0.7–4.0)

Jun

Jul: 0.38" (so far)· normal 1.98" (0.8–3.6)

Jul

Aug: normal 1.95" (0.6–3.7)

Aug

Sep: normal 1.30" (0.3–2.4)

Sep

Oct: normal 1.55" (0.6–2.9)

Oct

Nov: normal 0.71" (0.2–1.4)

Nov

Dec: normal 0.57" (0.2–1.2)

Dec

Baseline 1991–2020 · Source: Open-Meteo01:21 PM

Your History · South Platte Below Tamarack Swa

Track your history

Station Location

40.8701, -102.6901

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

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