CO DWR · PLAKASCO

SOUTH PLATTE RIVER

CO DWR · PLAKASCOLIVE

South Platte River At Last Chance Diversion Near Kassler

JEFFERSON COUNTY, CO39.4850°N, -105.1041°W

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

—cfs

No flow data available

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

9.7in

-25% vs normal

9.71 in of precipitation so far this year, 25% below the 30-year normal of 12.89 in for this point in the season.

YTD Total

9.7in

This year so far

Normal to Date

12.9in

30-yr average

Typical Range

9.2–16.4in

10th–90th pct YTD

Departure

-25%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.98" · normal 0.90" (0.4–1.5)

Jan

Feb: 0.21" · normal 0.96" (0.3–1.7)

Feb

Mar: 1.32" · normal 2.00" (1.2–3.1)

Mar

Apr: 1.44" · normal 3.00" (1.4–4.5)

Apr

May: 4.10" · normal 3.42" (2.0–5.3)

May

Jun: 1.58" · normal 2.20" (1.0–4.0)

Jun

Jul: 0.08" (so far)· normal 2.09" (0.6–3.5)

Jul

Aug: normal 1.84" (0.8–3.2)

Aug

Sep: normal 1.50" (0.5–2.9)

Sep

Oct: normal 1.68" (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-Meteo04:02 PM

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Station Location

39.4850, -105.1041

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