MEDIAN FLOW RATE · 30 DAY
204cfs 81.8% vs avg
Optimal band: 283–383 cfs
PERIOD HIGH
440cfs
PERIOD LOW
186cfs
RUNNABLE
35%
last 30 day in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
5.7in
-35% vs normal
5.73 in of precipitation so far this year, 35% below the 30-year normal of 8.88 in for this point in the season.
YTD Total
5.7in
This year so far
Normal to Date
8.9in
30-yr average
Typical Range
5.9–11.5in
10th–90th pct YTD
Departure
-35%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.30" · normal 0.84" (0.4–1.6)
Feb: 0.50" · normal 0.92" (0.5–1.3)
Mar: 0.67" · normal 1.37" (0.6–2.5)
Apr: 1.59" · normal 1.91" (0.7–3.2)
May: 1.86" · normal 1.94" (0.8–3.4)
Jun: 0.70" · normal 1.50" (0.5–2.7)
Jul: 0.11" (so far)· normal 2.57" (0.9–4.8)
Aug: normal 2.61" (0.9–4.0)
Sep: normal 1.42" (0.5–2.3)
Oct: normal 1.17" (0.3–1.9)
Nov: normal 0.95" (0.4–1.7)
Dec: normal 0.90" (0.3–1.4)
Baseline 1991–2020 · Source: Open-Meteo11:09 AM
Your History · ARKANSAS RIVER NEAR NATHROP, CO
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Station Location
38.6522, -106.0511Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #07091200·USGS
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