Waterlands
Sacramento R A Rio Vista Ca River
USGS · 11455420
SACRAMENTO R A RIO VISTA CA RIVER
USGS · 11455420LIVE

SACRAMENTO R A RIO VISTA CA

SACRAMENTO COUNTY, CA38.1490°N, -121.6889°W Updated 8 hr ago
FLOW RATE
46,980cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
46,980cfs
Optimal band: 63,63786,097 cfs
PERIOD HIGH
83,941cfs
PERIOD LOW
46,980cfs
RUNNABLE
87%
last 30 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

14.5in

≈ normal

14.5 in of precipitation so far this year — about average for this point in the season (normal 13.49 in).

YTD Total

14.5in

This year so far

Normal to Date

13.5in

30-yr average

Typical Range

5.6–21.9in

10th–90th pct YTD

Departure

+8%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.83" · normal 4.19" (0.3–8.9)
Jan
Feb: 4.75" · normal 3.97" (0.3–7.9)
Feb
Mar: 0.84" · normal 3.06" (0.3–6.5)
Mar
Apr: 4.27" · normal 1.37" (0.3–2.5)
Apr
May: 0.82" · normal 0.74" (0.0–1.4)
May
Jun: 0.00" · normal 0.16" (0.0–0.3)
Jun
Jul: 0.00" (so far)· normal 0.01" (0.0–0.0)
Jul
Aug: normal 0.05" (0.0–0.0)
Aug
Sep: normal 0.07" (0.0–0.3)
Sep
Oct: normal 0.96" (0.0–2.8)
Oct
Nov: normal 2.06" (0.6–3.9)
Nov
Dec: normal 3.93" (0.4–7.8)
Dec
Baseline 19912020 · Source: Open-Meteo04:29 AM
Your History · SACRAMENTO R A RIO VISTA CA

Track your history

Sign in to track your sessions at SACRAMENTO R A RIO VISTA CA — best days, monthly trends, and time on the water.

Sign in
SPONSORED

Station Location

38.1490, -121.6889
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #11455420·USGS

Create a free account to save favorites, set flow alerts, and track conditions