Waterlands
Columbia River
USGS · 12436500
COLUMBIA RIVER
USGS · 12436500LIVE

COLUMBIA RIVER AT GRAND COULEE, WA

COULEE DAM, WA47.9654°N, -118.9828°W
AIR TEMP
61°F
WIND
7mph S
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
cfs
No flow data available
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

5.5in

-36% vs normal

5.49 in of precipitation so far this year, 36% below the 30-year normal of 8.61 in for this point in the season.

YTD Total

5.5in

This year so far

Normal to Date

8.6in

30-yr average

Typical Range

5.8–12.2in

10th–90th pct YTD

Departure

-36%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.86" · normal 1.99" (0.9–3.2)
Jan
Feb: 0.92" · normal 1.40" (0.7–2.2)
Feb
Mar: 0.99" · normal 1.73" (0.8–3.4)
Mar
Apr: 1.39" · normal 1.28" (0.4–2.1)
Apr
May: 0.58" · normal 1.34" (0.4–2.3)
May
Jun: 0.74" (so far)· normal 0.98" (0.3–2.0)
Jun
Jul: normal 0.45" (0.0–0.9)
Jul
Aug: normal 0.32" (0.0–0.8)
Aug
Sep: normal 0.55" (0.1–1.3)
Sep
Oct: normal 1.34" (0.4–2.1)
Oct
Nov: normal 2.06" (0.8–3.4)
Nov
Dec: normal 2.46" (0.9–4.1)
Dec
Baseline 19912020 · Source: Open-Meteo02:24 PM
Your History · COLUMBIA RIVER AT GRAND COULEE, WA

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Weather Conditions
WEATHER CONDITIONS
TODAY
77°
58°
SAT
70°
56°
SUN
81°
54°
MON
75°
59°
TUE
79°
54°
WED
76°
52°
THU
77°
49°
TIME
FRI
2
NOW
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
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
TEMP
hourly forecast
77°
mild
77°
77°
70°
69°
73°
71°
71°
67°
64°
63°
61°
59°
58°
58°
57°
56°
58°
62°
65°
67°
69°
69°
70°
70°
70°
67°
62°
64°
64°
64°
63°
61°
62°
62°
61°
60°
60°
59°
57°
54°
54°
58°
62°
65°
69°
72°
76°
78°
80°
81°
81°
79°
76°
74°
73°
71°
70°
68°
66°
65°
64°
63°
60°
61°
61°
62°
60°
59°
64°
67°
69°
71°
73°
74°
75°
75°
73°
72°
71°
69°
66°
63°
62°
61°
57°
56°
55°
54°
56°
60°
63°
66°
69°
71°
73°
73°
73°
74°
76°
78°
79°
78°
74°
67°
63°
61°
59°
58°
56°
55°
53°
52°
54°
WIND
mph · gust · dir
12mph SSW
G 17 mph
12
G17
SSW
12
G16
SW
7
G17
SW
12
G24
SW
6
G12
WSW
10
G15
SW
6
G10
SW
4
G12
WSW
5
G13
WSW
8
G13
WSW
4
G12
WSW
2
G10
WSW
6
G10
WSW
5
G12
W
5
G11
WSW
5
G8
WSW
3
G5
W
1
G7
NNE
4
G9
NE
8
G10
N
10
G12
N
11
G13
N
8
G11
NNW
9
G11
W
17
G21
WSW
6
G7
SE
10
G11
SE
5
G10
SW
6
G11
WSW
6
G11
WSW
3
G7
NNW
3
G5
NNW
3
G7
N
2
G3
SE
2
G7
W
3
G10
WSW
3
G8
WSW
4
G5
WNW
5
G6
SSE
5
WNW
4
G6
WNW
5
G8
WNW
6
G9
WNW
5
G9
WNW
7
G10
WNW
8
G12
WNW
10
G16
W
11
G16
WNW
10
G14
WNW
8
G12
W
10
G12
WSW
9
SW
5
WSW
4
WSW
3
G4
NNE
4
NE
4
NNE
3
G4
NNW
5
G6
WNW
5
G6
WNW
6
NW
5
WNW
4
WNW
1
G2
SW
4
SE
6
SE
5
SE
5
SE
5
SSE
6
S
7
S
8
S
8
S
9
S
10
S
11
S
11
S
11
S
11
G14
SSE
11
G17
SSE
12
G17
SE
10
G16
SE
7
G13
ESE
4
G9
ESE
4
ESE
4
ESE
4
ESE
3
ESE
3
ESE
3
G5
ESE
4
G6
SE
5
G6
SE
5
SE
5
G6
SSE
5
G6
S
5
G6
SSW
3
G5
WSW
1
G6
E
5
G9
E
6
G9
ESE
6
G9
SE
6
G8
SE
6
ESE
6
E
5
E
5
E
5
E
5
ESE
5
ESE
5
ESE
5
SE
5
SE
4
G5
SE
PRECIP
chance %
10%
10%
24%
26%
26%
23%
20%
14%
7%
6%
6%
5%
4%
3%
3%
3%
5%
7%
10%
14%
12%
15%
16%
19%
18%
15%
17%
17%
15%
12%
12%
12%
12%
12%
12%
7%
7%
7%
7%
7%
7%
5%
5%
5%
5%
5%
5%
3%
3%
3%
3%
3%
3%
16%
16%
16%
16%
16%
16%
28%
28%
28%
28%
28%
28%
14%
14%
14%
14%
14%
14%
15%
15%
15%
15%
15%
15%
18%
18%
18%
18%
18%
18%
14%
14%
14%
14%
14%
14%
15%
15%
15%
15%
15%
15%
8%
8%
8%
8%
8%
8%
10%
10%
10%
10%
10%
10%
4%
4%
4%
4%
4%
4%
5%
CLOUDS
cover %
100%
overcast
100%
97%
100%
100%
58%
100%
69%
100%
88%
99%
83%
90%
100%
100%
100%
100%
100%
99%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
69%
58%
33%
90%
100%
100%
100%
100%
100%
100%
22%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
77%
100%
100%
100%
99%
100%
100%
100%
100%
97%
100%
100%
100%
97%
100%
100%
100%
100%
100%
100%
81%
25%
6%
6%
5%
5%
11%
6%
23%
42%
82%
100%
100%
100%
100%
93%
51%
14%
30%
5%
5%
10%
6%
4%
11%
36%
71%
97%
100%
PRESSURE
hPa · trend
970
970970969972974975974974971970972975976976977977973971972
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
04:58 AM
SUNSET
08:59 PM
16H 1M OF DAYLIGHT6H 34M REMAINING
MOON PHASE
Waxing Gibbous
87% illuminated

Station Location

47.9654, -118.9828
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 14:25 UTC
Site #12436500·USGS

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