MEDIAN FLOW RATE · 30 DAY
26cfs 11.3% vs avg
Optimal band: 24–32 cfs
PERIOD HIGH
31cfs
PERIOD LOW
26cfs
RUNNABLE
100%
last 30 day in band
Gauge Height
5.09ft
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
12.7in
-23% vs normal
12.65 in of precipitation so far this year, 23% below the 30-year normal of 16.42 in for this point in the season.
YTD Total
12.7in
This year so far
Normal to Date
16.4in
30-yr average
Typical Range
7.5–23.5in
10th–90th pct YTD
Departure
-23%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.22" · normal 4.78" (0.7–10.2)
Feb: 5.24" · normal 5.02" (0.6–9.6)
Mar: 0.50" · normal 3.76" (0.5–7.8)
Apr: 3.15" · normal 1.84" (0.4–3.2)
May: 0.44" · normal 0.85" (0.0–2.2)
Jun: 0.07" · normal 0.16" (0.0–0.3)
Jul: 0.03" (so far)· normal 0.03" (0.0–0.1)
Aug: normal 0.04" (0.0–0.1)
Sep: normal 0.10" (0.0–0.2)
Oct: normal 1.17" (0.0–3.4)
Nov: normal 2.35" (0.4–4.3)
Dec: normal 4.58" (0.3–8.8)
Baseline 1991–2020 · Source: Open-Meteo01:12 UTC
Your History · GUADALUPE R ABV HWY 101 A SAN JOSE CA
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Weather Conditions
WEATHER CONDITIONS
TODAY
86°
61°
MON
92°
62°
TUE
95°
62°
WED
92°
58°
THU
89°
56°
FRI
92°
54°
SAT
91°
61°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:57 AM
SUNSET
08:29 PM
14H 32M OF DAYLIGHT
MOON PHASE
New Moon
3% illuminated
PEAK ACTIVITY
Station Location
37.3738, -121.9330Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #11169025·USGS
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