MEDIAN FLOW RATE · 1 YEAR
92cfs
Optimal band: 100–136 cfs
PERIOD HIGH
423cfs
PERIOD LOW
55cfs
RUNNABLE
41%
last 1 year in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
5.8in
-39% vs normal
5.82 in of precipitation so far this year, 39% below the 30-year normal of 9.52 in for this point in the season.
YTD Total
5.8in
This year so far
Normal to Date
9.5in
30-yr average
Typical Range
6.4–12.8in
10th–90th pct YTD
Departure
-39%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.19" · normal 0.43" (0.1–0.8)
Feb: 0.22" · normal 0.61" (0.2–1.1)
Mar: 0.63" · normal 1.15" (0.4–1.9)
Apr: 0.89" · normal 2.13" (0.9–3.6)
May: 2.21" · normal 2.86" (0.9–4.7)
Jun: 1.37" · normal 2.06" (0.7–3.5)
Jul: 0.30" (so far)· normal 1.78" (0.6–3.3)
Aug: normal 1.81" (0.6–3.4)
Sep: normal 1.16" (0.1–2.1)
Oct: normal 1.37" (0.5–2.6)
Nov: normal 0.67" (0.2–1.2)
Dec: normal 0.56" (0.2–1.1)
Baseline 1991–2020 · Source: Open-Meteo01:22 PM
Your History · South Platte River At Merino, Co
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Station Location
40.4739, -103.3457Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #PLAMERCO·CO DWR
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