MEDIAN FLOW RATE · 1 YEAR
95cfs
Optimal band: 34–46 cfs
PERIOD HIGH
295cfs
PERIOD LOW
17cfs
RUNNABLE
9%
last 1 year in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
6.4in
-37% vs normal
6.37 in of precipitation so far this year, 37% below the 30-year normal of 10.2 in for this point in the season.
YTD Total
6.4in
This year so far
Normal to Date
10.2in
30-yr average
Typical Range
6.6–13.6in
10th–90th pct YTD
Departure
-37%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.18" · normal 0.41" (0.1–0.6)
Feb: 0.28" · normal 0.67" (0.3–1.3)
Mar: 0.88" · normal 1.23" (0.4–2.4)
Apr: 1.12" · normal 2.19" (1.0–3.6)
May: 1.87" · normal 3.09" (1.3–5.0)
Jun: 1.52" · normal 2.30" (0.9–3.9)
Jul: 0.52" (so far)· normal 1.98" (0.7–3.5)
Aug: normal 1.86" (0.6–3.3)
Sep: normal 1.26" (0.2–2.4)
Oct: normal 1.50" (0.6–2.7)
Nov: normal 0.68" (0.2–1.3)
Dec: normal 0.57" (0.2–1.2)
Baseline 1991–2020 · Source: Open-Meteo05:07 PM
Your History · South Platte River Near Iliff, Co
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Station Location
40.7476, -103.0558Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #PLAILFCO·CO DWR
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