Waterlands
Lopez C nr Arroyo Grande Ca River
USGS · 11141280
LOPEZ C NR ARROYO GRANDE CA RIVER
USGS · 11141280LIVE

LOPEZ C NR ARROYO GRANDE CA

SAN LUIS OBISPO COUNTY, CA35.2355°N, -120.4724°W Updated 1 hr ago
FLOW RATE
2.54cfs
GAUGE HT
7.84ft
AIR TEMP
69°F
WIND
7mph WSW
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
2.54cfs 6.1% vs avg
Optimal band: 2–3 cfs
PERIOD HIGH
2.93cfs
PERIOD LOW
2.54cfs
RUNNABLE
100%
last 1 day in band

Gauge Height

7.84ft
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

11.6in

≈ normal

11.61 in of precipitation so far this year — about average for this point in the season (normal 11.81 in).

YTD Total

11.6in

This year so far

Normal to Date

11.8in

30-yr average

Typical Range

4.2–23.7in

10th–90th pct YTD

Departure

-2%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 3.16" · normal 3.68" (0.4–7.9)
Jan
Feb: 5.38" · normal 3.60" (0.4–7.3)
Feb
Mar: 0.08" · normal 2.94" (0.4–6.2)
Mar
Apr: 2.31" · normal 1.08" (0.0–2.4)
Apr
May: 0.64" · normal 0.46" (0.0–1.0)
May
Jun: 0.03" · normal 0.06" (0.0–0.1)
Jun
Jul: 0.02" (so far)· normal 0.03" (0.0–0.1)
Jul
Aug: normal 0.02" (0.0–0.1)
Aug
Sep: normal 0.05" (0.0–0.2)
Sep
Oct: normal 0.75" (0.0–2.0)
Oct
Nov: normal 1.29" (0.1–2.8)
Nov
Dec: normal 2.64" (0.3–5.9)
Dec
Baseline 1991–2020 · Source: Open-Meteo12:22 AM
Your History · LOPEZ C NR ARROYO GRANDE CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
73°
54°
FRI
76°
48°
SAT
80°
49°
SUN
80°
54°
MON
80°
52°
TUE
82°
54°
WED
87°
57°
TIME
FRI
2
NOW
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SAT
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
TEMP
hourly forecast
51°
mild
51°
50°
49°
48°
48°
50°
54°
62°
67°
72°
75°
76°
75°
75°
74°
72°
69°
66°
62°
58°
56°
55°
54°
53°
51°
51°
50°
49°
49°
52°
59°
66°
72°
76°
80°
80°
79°
80°
80°
77°
73°
70°
63°
58°
58°
57°
57°
55°
56°
57°
55°
54°
54°
57°
63°
69°
72°
76°
79°
80°
80°
78°
77°
74°
71°
68°
62°
57°
55°
55°
54°
54°
53°
52°
52°
52°
52°
55°
62°
67°
72°
75°
78°
80°
79°
80°
78°
76°
72°
67°
61°
56°
55°
54°
54°
55°
55°
55°
57°
57°
57°
61°
67°
72°
77°
80°
82°
82°
82°
82°
80°
78°
WIND
mph · gust · dir
2mph S
2
S
1
SW
2
SSE
2
SSE
2
G3
SE
2
SSE
3
SSW
4
G5
SSW
4
G7
SSW
6
G8
SW
8
SW
9
WSW
10
G11
WSW
9
G10
WSW
9
WSW
8
G9
WSW
6
G7
WSW
5
G6
WSW
3
SW
2
WSW
2
WSW
2
WSW
3
W
3
WSW
3
WSW
3
W
3
SW
3
WSW
2
WSW
1
G2
WNW
2
G4
SSW
3
G4
SSW
5
SW
7
SW
7
SW
9
SW
8
SW
7
SW
7
SW
7
SW
5
G6
SW
5
SW
4
SW
2
S
1
G2
SE
0
G1
E
1
G2
SW
1
G3
SSE
2
E
1
S
2
SSW
1
SSW
1
SSW
1
G2
WSW
2
G3
SW
4
SW
6
SW
6
SW
7
SW
7
SW
8
SW
9
SW
8
SW
7
SW
6
SW
5
SW
4
G5
SW
3
SSW
2
S
1
G2
S
2
SSW
2
SE
2
S
2
S
1
SE
1
ENE
1
SW
1
S
3
SW
4
SW
6
SW
7
SW
8
SW
8
SW
8
SW
8
SW
8
SW
7
SW
7
SW
5
SW
4
SSW
3
S
3
SSE
2
SSE
2
G3
SE
2
SE
2
ESE
1
G3
NE
1
G3
NNE
2
G3
N
1
G3
NNE
1
G2
W
3
WSW
4
WSW
5
WSW
7
SW
8
SW
9
SW
9
SW
8
SW
8
SW
7
SW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
CLOUDS
cover %
14%
few
14%
11%
7%
26%
100%
100%
80%
30%
3%
2%
2%
2%
2%
3%
16%
100%
100%
100%
67%
19%
19%
21%
21%
5%
7%
5%
7%
30%
100%
92%
42%
2%
2%
1%
0%
0%
0%
0%
0%
0%
0%
5%
0%
33%
9%
5%
5%
0%
0%
0%
7%
7%
92%
100%
100%
93%
100%
100%
90%
6%
5%
5%
5%
5%
6%
6%
6%
6%
5%
0%
5%
12%
5%
21%
35%
21%
7%
5%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
11%
18%
0%
14%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
3%
PRESSURE
hPa · trend
991
991993993992993995994993992994992992992992992992992992992
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:51 AM
SUNSET
08:20 PM
14H 29M OF DAYLIGHT18H 48M REMAINING
MOON PHASE
Waning Gibbous
90% illuminated

Station Location

35.2355, -120.4724
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 01:32 UTC
Site #11141280·USGS

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