USGS · 10301300

WALKER RV BLW MASON VLY WMA RIVER

USGS · 10301300LIVE

WALKER RV BLW MASON VLY WMA AT RR XING NR WABUSKA

LYON COUNTY, NV39.1282°N, -119.1167°W Updated 4 hr ago

FLOW RATE

32cfs

AIR TEMP

81°F

WIND

10mph NW

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

32cfs 18.3% vs avg

Optimal band: 36–48 cfs

PERIOD HIGH

56cfs

PERIOD LOW

32cfs

RUNNABLE

71%

last 30 day in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

3.0in

-35% vs normal

3.04 in of precipitation so far this year, 35% below the 30-year normal of 4.69 in for this point in the season.

YTD Total

3.0in

This year so far

Normal to Date

4.7in

30-yr average

Typical Range

2.3–7.4in

10th–90th pct YTD

Departure

-35%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.19" · normal 1.12" (0.1–2.0)

Jan

Feb: 1.21" · normal 0.91" (0.3–1.8)

Feb

Mar: 0.10" · normal 0.92" (0.1–2.1)

Mar

Apr: 0.55" · normal 0.62" (0.1–1.2)

Apr

May: 0.95" · normal 0.71" (0.1–1.5)

May

Jun: 0.06" · normal 0.38" (0.0–1.0)

Jun

Jul: 0.00" (so far)· normal 0.12" (0.0–0.3)

Jul

Aug: normal 0.10" (0.0–0.2)

Aug

Sep: normal 0.22" (0.0–0.6)

Sep

Oct: normal 0.51" (0.0–1.2)

Oct

Nov: normal 0.68" (0.2–1.3)

Nov

Dec: normal 0.98" (0.2–1.9)

Dec

Baseline 1991–2020 · Source: Open-Meteo03:56 AM

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Station Location

39.1282, -119.1167

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DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC

Site #10301300·USGS

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