Waterlands
Chehalis River
USGS · 12028060
CHEHALIS RIVER
USGS · 12028060LIVE

CHEHALIS RIVER NEAR ROCHESTER, WA

THURSTON COUNTY, WA46.8068°N, -123.1201°W
AIR TEMP
61°F
WIND
6mph W
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
cfs
No flow data available
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

25.4in

≈ normal

25.35 in of precipitation so far this year — about average for this point in the season (normal 28.69 in).

YTD Total

25.4in

This year so far

Normal to Date

28.7in

30-yr average

Typical Range

21.1–36.2in

10th–90th pct YTD

Departure

-12%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 5.70" · normal 7.45" (4.5–10.8)
Jan
Feb: 4.84" · normal 5.35" (2.7–8.1)
Feb
Mar: 8.59" · normal 6.15" (3.5–10.4)
Mar
Apr: 2.73" · normal 4.86" (2.3–7.8)
Apr
May: 1.87" · normal 3.08" (0.9–4.8)
May
Jun: 1.62" (so far)· normal 1.99" (1.1–2.9)
Jun
Jul: normal 0.66" (0.1–1.2)
Jul
Aug: normal 1.01" (0.2–2.0)
Aug
Sep: normal 2.17" (0.2–4.3)
Sep
Oct: normal 5.08" (2.2–7.6)
Oct
Nov: normal 8.27" (4.0–12.4)
Nov
Dec: normal 7.93" (3.8–11.4)
Dec
Baseline 19912020 · Source: Open-Meteo11:55 PM
Your History · CHEHALIS RIVER NEAR ROCHESTER, WA

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Weather Conditions
WEATHER CONDITIONS
TODAY
66°
54°
FRI
61°
54°
SAT
66°
49°
SUN
60°
48°
MON
64°
54°
TUE
63°
53°
WED
63°
52°
TIME
FRI
1
NOW
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
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
57°
mild
57°
57°
57°
57°
57°
57°
58°
58°
58°
60°
59°
58°
59°
60°
60°
61°
61°
61°
59°
58°
56°
55°
54°
54°
54°
53°
52°
53°
53°
53°
53°
53°
55°
59°
62°
65°
66°
66°
65°
63°
63°
65°
65°
62°
57°
52°
49°
48°
48°
49°
54°
55°
54°
54°
54°
54°
55°
57°
58°
58°
58°
60°
60°
60°
59°
59°
59°
57°
56°
55°
55°
54°
54°
54°
54°
54°
54°
54°
56°
58°
59°
59°
60°
61°
61°
61°
63°
63°
63°
64°
61°
58°
56°
55°
55°
54°
53°
53°
53°
53°
53°
53°
53°
54°
54°
56°
59°
61°
62°
63°
63°
62°
61°
WIND
mph · gust · dir
5mph S
G 15 mph
5
G15
S
5
G15
S
4
G15
SSE
4
G16
S
5
G17
S
6
G17
SSW
6
G12
SW
6
G13
W
6
G16
W
7
G16
WSW
8
G14
WSW
11
G16
WNW
8
G14
W
10
G16
W
10
G15
W
8
G16
W
10
G15
WSW
11
G16
WNW
8
G13
WNW
9
G15
WNW
8
G17
W
7
G17
WNW
6
G15
W
7
G15
WNW
5
G15
W
6
G16
W
6
G17
WSW
5
G17
W
7
G18
WNW
7
G18
W
8
G20
W
7
G20
W
5
G12
W
6
G9
W
5
G7
W
5
G7
WNW
6
G7
NW
6
G8
NNW
9
WNW
8
G13
WNW
8
G14
NW
9
WNW
7
G10
WNW
8
G14
W
6
G17
W
6
G13
W
5
G8
W
5
G7
W
4
G5
WSW
4
G9
SW
5
G11
WSW
6
G10
W
5
G9
WSW
3
G9
SW
3
G10
SSW
3
G11
S
3
G11
SSW
4
G12
SW
4
G13
SW
5
G14
SW
6
G13
WSW
6
G12
WSW
7
G11
WSW
7
G12
WSW
7
G12
WSW
7
G13
WSW
6
G12
WSW
4
G11
SW
4
G9
SW
4
G11
SW
4
G9
SW
3
G7
SW
4
G7
SW
3
G7
SW
3
G7
SW
3
G7
SW
3
G8
SW
3
G8
SW
3
G8
WSW
4
G8
WSW
6
G9
WSW
6
G9
W
5
G9
WSW
6
G9
WSW
7
G9
WSW
7
G10
WSW
7
G10
WSW
8
G9
WSW
8
G9
SW
7
G10
WSW
9
G11
WSW
7
G13
W
5
G13
W
4
G5
WSW
4
G8
WSW
3
G10
SW
3
G11
SW
3
G10
SSW
3
G11
SSW
3
G11
SSW
3
G11
SSW
3
G11
SW
3
G12
SW
3
G13
SW
3
G13
SW
4
G12
SW
5
G11
SW
6
G11
WSW
7
G11
WSW
8
G11
WSW
8
G11
W
9
G12
W
9
G12
W
PRECIP
chance %
35%
35%
26%
25%
19%
16%
24%
23%
17%
15%
15%
19%
20%
21%
18%
20%
18%
14%
5%
6%
9%
7%
5%
4%
4%
6%
7%
8%
10%
23%
31%
31%
31%
31%
31%
31%
46%
46%
46%
46%
46%
46%
8%
8%
8%
8%
8%
8%
4%
4%
4%
4%
4%
4%
19%
19%
19%
19%
19%
19%
22%
22%
22%
22%
22%
22%
12%
12%
12%
12%
12%
12%
11%
11%
11%
11%
11%
11%
14%
14%
14%
14%
14%
14%
12%
12%
12%
12%
12%
12%
6%
6%
6%
6%
6%
6%
7%
7%
7%
7%
7%
7%
7%
7%
7%
7%
7%
7%
11%
11%
11%
11%
11%
11%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
91%
100%
100%
100%
100%
99%
100%
100%
100%
100%
100%
100%
100%
100%
100%
98%
100%
100%
100%
100%
60%
33%
100%
17%
5%
10%
5%
8%
48%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
99%
100%
100%
100%
100%
100%
100%
100%
100%
100%
90%
100%
100%
100%
100%
100%
100%
100%
100%
100%
79%
100%
79%
55%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
PRESSURE
hPa · trend
1003
1003100310051006100710081008100910121013101210111011101110111011101310131012
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Ideal
Wind
Light
Pressure
Falling — Active
Moon Phase
Average
DAYLIGHT
SUNRISE
05:19 AM
SUNSET
09:10 PM
15H 51M OF DAYLIGHT19H 51M REMAINING
MOON PHASE
Waxing Gibbous
83% illuminated

Station Location

46.8068, -123.1201
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 01:19 UTC
Site #12028060·USGS

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