Waterlands
Mattole R nr Ettersburg Ca River
USGS · 11468900
MATTOLE R NR ETTERSBURG CA RIVER
USGS · 11468900LIVE

MATTOLE R NR ETTERSBURG CA

HUMBOLDT COUNTY, CA40.1393°N, -123.9914°W Updated 7 hr ago
FLOW RATE
26cfs
AIR TEMP
58°F
WIND
1mph E
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
26cfs 27.4% vs avg
Optimal band: 2939 cfs
PERIOD HIGH
69cfs
PERIOD LOW
26cfs
RUNNABLE
71%
last 30 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

29.8in

≈ normal

29.75 in of precipitation so far this year — about average for this point in the season (normal 33.35 in).

YTD Total

29.8in

This year so far

Normal to Date

33.4in

30-yr average

Typical Range

21.3–58.9in

10th–90th pct YTD

Departure

-11%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 9.55" · normal 9.72" (1.5–16.7)
Jan
Feb: 12.44" · normal 8.34" (1.6–16.5)
Feb
Mar: 0.51" · normal 7.90" (2.8–14.1)
Mar
Apr: 5.91" · normal 4.32" (1.8–8.0)
Apr
May: 0.41" · normal 2.32" (0.3–6.2)
May
Jun: 0.93" · normal 0.74" (0.0–1.7)
Jun
Jul: 0.00" (so far)· normal 0.07" (0.0–0.3)
Jul
Aug: normal 0.09" (0.0–0.2)
Aug
Sep: normal 0.48" (0.0–1.1)
Sep
Oct: normal 3.22" (0.2–6.6)
Oct
Nov: normal 6.52" (2.0–11.2)
Nov
Dec: normal 10.92" (2.3–20.2)
Dec
Baseline 19912020 · Source: Open-Meteo06:08 AM
Your History · MATTOLE R NR ETTERSBURG CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
82°
55°
FRI
84°
54°
SAT
86°
50°
SUN
78°
50°
MON
81°
49°
TUE
86°
47°
WED
86°
49°
TIME
THU
7
NOW
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
FRI
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
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
TEMP
hourly forecast
58°
mild
58°
64°
70°
75°
78°
80°
82°
82°
81°
79°
76°
73°
71°
68°
64°
61°
60°
58°
58°
57°
56°
55°
54°
55°
58°
65°
72°
77°
80°
81°
82°
83°
84°
84°
83°
81°
76°
66°
57°
54°
54°
53°
53°
53°
53°
52°
51°
50°
54°
62°
71°
79°
84°
86°
85°
82°
81°
82°
86°
86°
81°
72°
63°
56°
53°
51°
51°
50°
50°
51°
51°
52°
57°
65°
71°
75°
76°
76°
76°
77°
76°
78°
75°
73°
74°
68°
64°
59°
56°
52°
50°
49°
50°
49°
49°
49°
52°
60°
67°
73°
77°
78°
77°
77°
78°
79°
81°
77°
72°
67°
61°
55°
50°
WIND
mph · gust · dir
2mph NNE
G 9 mph
2
G9
NNE
2
G9
NNW
4
G9
NNW
6
G10
NNW
7
G10
NNW
7
G10
N
7
G9
N
8
G11
N
9
G12
N
10
G14
N
10
G16
N
10
G17
N
9
G19
N
7
G20
NNW
4
G13
NNW
3
G9
N
2
G8
NNE
2
G10
NE
3
G7
NNE
1
G6
NE
2
G5
ENE
2
G6
NNE
1
G5
ENE
1
G6
NE
2
G9
NE
3
G11
NNW
7
G13
NNW
8
G14
N
8
G13
N
9
G13
N
9
G12
N
9
G12
N
8
G13
ENE
6
G13
SSE
6
G13
W
6
G14
N
8
G15
N
8
G15
NNE
8
G15
NNE
8
G14
NNE
7
G13
NNE
8
G12
NNE
7
G12
NNE
7
G10
NNE
6
G9
NNE
6
G9
NNE
6
G9
NNE
5
G8
NNE
5
G7
NNE
3
G6
NNE
2
G5
N
2
G5
WNW
3
WSW
4
WSW
5
SW
6
SW
5
SW
3
G5
WSW
4
G7
NW
6
G10
NNW
6
G11
N
6
G12
N
6
G12
N
6
G11
NNE
6
G10
NNE
7
G9
NNE
6
G7
NNE
6
NNE
5
NNE
4
NE
4
NE
4
NE
3
NNE
1
G3
NNE
2
SW
4
SW
6
SW
6
SW
6
SW
7
SW
7
SSW
5
SW
5
SSW
3
G4
SW
3
G6
WNW
4
G8
NW
5
G9
NNW
5
G9
N
5
G9
NNE
5
G9
NNE
5
G8
NNE
5
G8
NNE
5
G8
NNE
5
G7
NNE
4
G6
NNE
4
G5
NNE
3
G5
NNE
2
G3
NNE
2
G3
W
3
WSW
4
SW
5
SW
6
SW
5
SW
5
SW
3
G5
SW
1
G6
N
3
G8
NNE
5
G9
NNE
7
G10
NNE
7
G11
NNE
7
G13
NNE
7
G13
NNE
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%
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%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
0%
0%
2%
19%
90%
0%
0%
0%
0%
9%
0%
2%
2%
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%
5%
5%
18%
89%
54%
16%
100%
10%
0%
6%
5%
5%
11%
7%
5%
0%
7%
100%
14%
59%
92%
96%
100%
100%
88%
6%
5%
20%
8%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
7%
17%
22%
PRESSURE
hPa · trend
987
987990989988989991990990990990990989988988988988988989990
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:51 AM
SUNSET
08:48 PM
14H 57M OF DAYLIGHT13H 20M REMAINING
MOON PHASE
Waning Gibbous
94% illuminated

Station Location

40.1393, -123.9914
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 07:28 UTC
Site #11468900·USGS

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