MEDIAN FLOW RATE · 30 DAY
46,980cfs
Optimal band: 63,637–86,097 cfs
PERIOD HIGH
83,941cfs
PERIOD LOW
46,980cfs
RUNNABLE
87%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-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)
Feb: 4.75" · normal 3.97" (0.3–7.9)
Mar: 0.84" · normal 3.06" (0.3–6.5)
Apr: 4.27" · normal 1.37" (0.3–2.5)
May: 0.82" · normal 0.74" (0.0–1.4)
Jun: 0.00" · normal 0.16" (0.0–0.3)
Jul: 0.00" (so far)· normal 0.01" (0.0–0.0)
Aug: normal 0.05" (0.0–0.0)
Sep: normal 0.07" (0.0–0.3)
Oct: normal 0.96" (0.0–2.8)
Nov: normal 2.06" (0.6–3.9)
Dec: normal 3.93" (0.4–7.8)
Baseline 1991–2020 · Source: Open-Meteo04:29 AM
Your History · SACRAMENTO R A RIO VISTA CA
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Station Location
38.1490, -121.6889Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #11455420·USGS
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