Waterlands
Mad R nr Arcata Ca River
USGS · 11481000
MAD R NR ARCATA CA RIVER
USGS · 11481000LIVE

MAD R NR ARCATA CA

HUMBOLDT COUNTY, CA40.9098°N, -124.0606°W Updated 19 min ago
FLOW RATE
66.4cfs
GAUGE HT
5.90ft
AIR TEMP
62°F
WIND
8mph NNW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
66.4cfs 45.1% vs avg
Optimal band: 5169 cfs
PERIOD HIGH
67.9cfs
PERIOD LOW
58.8cfs
RUNNABLE
100%
last 1 day in band

Gauge Height

5.90ft
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

23.3in

-28% vs normal

23.28 in of precipitation so far this year, 28% below the 30-year normal of 32.5 in for this point in the season.

YTD Total

23.3in

This year so far

Normal to Date

32.5in

30-yr average

Typical Range

22.6–45.9in

10th–90th pct YTD

Departure

-28%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 5.47" · normal 9.05" (2.4–15.2)
Jan
Feb: 9.05" · normal 7.33" (2.6–14.4)
Feb
Mar: 1.62" · normal 7.71" (3.5–12.7)
Mar
Apr: 5.31" · normal 4.67" (2.5–8.4)
Apr
May: 0.73" · normal 2.67" (0.6–5.7)
May
Jun: 1.10" · normal 1.06" (0.1–2.8)
Jun
Jul: 0.00" (so far)· normal 0.14" (0.0–0.4)
Jul
Aug: normal 0.22" (0.0–0.6)
Aug
Sep: normal 0.80" (0.0–2.0)
Sep
Oct: normal 3.50" (0.5–6.8)
Oct
Nov: normal 6.73" (2.5–11.2)
Nov
Dec: normal 11.19" (3.8–20.8)
Dec
Baseline 19912020 · Source: Open-Meteo02:04 AM
Your History · MAD R NR ARCATA CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
69°
50°
THU
68°
49°
FRI
69°
53°
SAT
74°
53°
SUN
75°
53°
MON
70°
51°
TUE
70°
50°
TIME
THU
2
NOW
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
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12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
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pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
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am
6
am
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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
TEMP
hourly forecast
51°
mild
51°
51°
50°
49°
49°
51°
55°
58°
61°
64°
66°
68°
68°
68°
67°
65°
64°
61°
58°
57°
56°
55°
55°
55°
55°
54°
54°
54°
53°
53°
54°
56°
58°
60°
63°
66°
68°
68°
69°
68°
67°
65°
61°
55°
55°
56°
56°
57°
57°
56°
55°
55°
56°
58°
63°
68°
70°
71°
73°
73°
74°
74°
73°
71°
68°
64°
59°
53°
53°
53°
53°
54°
55°
56°
56°
56°
55°
59°
63°
67°
70°
73°
74°
75°
74°
72°
72°
70°
67°
64°
59°
53°
54°
53°
53°
53°
53°
53°
53°
53°
52°
56°
60°
64°
67°
69°
70°
70°
69°
69°
68°
66°
64°
WIND
mph · gust · dir
2mph SSW
G 6 mph
2
G6
SSW
3
G5
SSW
4
G6
SSW
3
G6
SSW
3
G6
SSW
2
G7
SW
3
G5
SW
2
G3
WSW
2
G3
W
3
G4
W
4
G5
WNW
5
NW
6
G7
NW
9
G11
NW
9
G13
NNW
7
G11
NNW
7
G10
NW
6
G8
NW
3
G4
NW
3
G4
NW
2
G3
NW
2
SW
3
G4
S
3
G7
S
2
G8
SSW
3
G9
SSW
2
G8
SW
2
G6
WSW
2
G5
WSW
2
G4
WSW
1
G3
WNW
2
G4
WNW
4
WNW
6
WNW
6
W
7
W
7
G8
WNW
7
G9
WNW
7
G9
WNW
7
G10
WNW
6
G9
WNW
5
G7
WNW
4
G7
WNW
1
G3
W
2
G3
S
2
G3
S
3
G4
S
3
G6
SSE
2
G5
SSE
2
G4
SE
2
ESE
1
E
2
NE
2
N
3
NW
4
WNW
6
W
7
WNW
7
W
7
W
7
W
7
W
7
W
6
W
5
W
4
WSW
3
WSW
3
SSW
4
G8
S
5
G9
SSE
5
G9
SE
4
G5
SE
3
E
2
NE
2
N
2
N
1
N
2
WNW
3
W
4
W
5
W
6
W
6
W
6
W
6
W
6
W
6
W
6
W
5
W
5
W
4
WSW
2
SSW
3
G6
S
3
G6
S
4
G7
S
4
G8
S
4
G8
S
4
G9
S
3
G7
S
3
G6
SE
2
G3
ESE
0
G2
W
3
WNW
4
W
5
W
6
W
7
W
7
W
7
W
7
W
7
W
6
W
6
W
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
0%
0%
0%
0%
0%
0%
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%
2%
2%
2%
2%
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%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
0%
CLOUDS
cover %
3%
clear
3%
4%
5%
9%
9%
12%
48%
97%
68%
35%
9%
11%
4%
3%
19%
6%
8%
13%
100%
84%
84%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
94%
54%
35%
10%
13%
7%
6%
4%
6%
6%
6%
6%
40%
55%
96%
100%
100%
100%
36%
23%
0%
5%
6%
6%
0%
0%
5%
0%
5%
0%
0%
0%
5%
0%
0%
41%
95%
100%
100%
46%
13%
0%
0%
0%
5%
6%
42%
77%
51%
7%
8%
11%
100%
100%
100%
6%
0%
0%
0%
30%
89%
100%
100%
100%
100%
100%
100%
100%
81%
22%
0%
14%
0%
0%
2%
5%
7%
7%
6%
5%
6%
PRESSURE
hPa · trend
1012
1012101310151015101510161017101710161016101510151013101410131014101410141015
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:48 AM
SUNSET
08:51 PM
15H 3M OF DAYLIGHT18H 47M REMAINING
MOON PHASE
Waning Gibbous
95% illuminated

Station Location

40.9098, -124.0606
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 02:04 UTC
Site #11481000·USGS

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