MEDIAN FLOW RATE · 30 DAY
1cfs 7.3% vs avg
Optimal band: 2–2 cfs
PERIOD HIGH
67cfs
PERIOD LOW
1cfs
RUNNABLE
33%
last 30 day in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
7.2in
-22% vs normal
7.19 in of precipitation so far this year, 22% below the 30-year normal of 9.27 in for this point in the season.
YTD Total
7.2in
This year so far
Normal to Date
9.3in
30-yr average
Typical Range
6.7–11.6in
10th–90th pct YTD
Departure
-22%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.26" · normal 0.59" (0.3–0.9)
Feb: 0.40" · normal 0.49" (0.2–0.8)
Mar: 0.96" · normal 0.81" (0.3–1.3)
Apr: 1.82" · normal 1.55" (0.8–2.4)
May: 1.17" · normal 2.79" (1.0–5.0)
Jun: 2.20" · normal 2.78" (1.2–4.5)
Jul: 0.39" (so far)· normal 1.47" (0.3–3.1)
Aug: normal 1.36" (0.3–2.8)
Sep: normal 1.33" (0.4–2.3)
Oct: normal 1.16" (0.4–1.7)
Nov: normal 0.70" (0.2–1.2)
Dec: normal 0.60" (0.2–1.1)
Baseline 1991–2020 · Source: Open-Meteo08:11 AM
Your History · Nelson Creek near Van Norman MT
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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
59°
SAT
90°
59°
SUN
92°
71°
MON
85°
71°
TUE
82°
66°
WED
96°
64°
THU
88°
70°
FISH INDEX
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:12 AM
SUNSET
09:05 PM
15H 53M OF DAYLIGHT10H 15M REMAINING
MOON PHASE
Waning Gibbous
87% illuminated
Station Location
47.5366, -106.1535Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 10:50 UTC
Site #06131200·USGS
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