WaterLands
Ahtanum Creek
USGS · 12502500
AHTANUM CREEK
USGS · 12502500LIVE

AHTANUM CREEK AT UNION GAP, WA

YAKIMA COUNTY, WA46.5360°N, -120.4734°W Updated 56 min ago
FLOW RATE
46.9cfs
GAUGE HT
3.42ft
AIR TEMP
62°F
WIND
5mph N
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
46.9cfs 60.3% vs avg
Optimal band: 4156 cfs
PERIOD HIGH
50.5cfs
PERIOD LOW
46cfs
RUNNABLE
100%
last 1 day in band

Gauge Height

3.42ft
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

6.3in

≈ normal

6.34 in of precipitation so far this year — about average for this point in the season (normal 6.77 in).

YTD Total

6.3in

This year so far

Normal to Date

6.8in

30-yr average

Typical Range

4.4–9.7in

10th–90th pct YTD

Departure

-6%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.81" · normal 2.25" (0.9–3.8)
Jan
Feb: 1.58" · normal 1.61" (0.5–3.2)
Feb
Mar: 2.30" · normal 1.28" (0.5–2.3)
Mar
Apr: 1.15" · normal 0.79" (0.1–1.3)
Apr
May: 0.51" · normal 0.73" (0.3–1.3)
May
Jun: 0.00" (so far)· normal 0.37" (0.1–0.7)
Jun
Jul: normal 0.13" (0.0–0.3)
Jul
Aug: normal 0.11" (0.0–0.3)
Aug
Sep: normal 0.32" (0.0–0.7)
Sep
Oct: normal 1.14" (0.3–2.1)
Oct
Nov: normal 2.05" (0.7–3.7)
Nov
Dec: normal 2.56" (1.4–3.9)
Dec
Baseline 19912020 · Source: Open-Meteo03:26 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
72°
53°
SAT
65°
46°
SUN
72°
46°
MON
74°
53°
TUE
66°
52°
WED
74°
51°
THU
80°
52°
TIME
FRI
3
NOW
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
7
am
TEMP
hourly forecast
72°
mild
72°
71°
70°
66°
64°
60°
57°
56°
54°
53°
50°
49°
48°
47°
46°
46°
51°
54°
57°
58°
61°
62°
62°
63°
65°
59°
60°
59°
58°
55°
53°
50°
49°
48°
48°
46°
47°
48°
48°
49°
51°
54°
58°
61°
63°
66°
68°
70°
71°
72°
72°
72°
72°
70°
68°
62°
57°
56°
55°
54°
53°
53°
53°
53°
54°
56°
59°
62°
65°
67°
70°
72°
72°
74°
74°
73°
71°
69°
66°
62°
61°
59°
57°
56°
54°
52°
52°
52°
53°
55°
59°
61°
63°
65°
66°
65°
66°
66°
65°
64°
61°
60°
57°
56°
56°
55°
54°
54°
53°
51°
51°
52°
54°
WIND
mph · gust · dir
15mph W
G 18 mph
15
G18
W
13
G15
W
14
G16
WNW
16
G21
NW
15
G19
NW
15
G22
NW
10
G19
NW
7
G23
NW
5
G10
NNE
8
G18
NNW
0
G3
E
1
G5
SSW
4
G8
W
6
G8
W
4
G7
WSW
4
W
4
G7
WSW
3
G9
SW
4
G10
SSW
5
G11
SSW
6
G11
SSW
7
G11
SW
9
G11
WSW
14
G17
WSW
11
G14
SW
13
G16
NE
16
G21
NE
13
G18
NNW
13
G19
NNW
13
G22
NNW
6
G19
NNE
3
SW
5
G10
NW
6
G11
NW
4
G6
NNW
4
G5
N
3
G5
WNW
4
G5
WNW
3
G4
NW
3
G4
NNW
4
G6
NW
6
WNW
5
W
3
G4
SW
5
SSW
6
S
7
S
5
G7
SSE
5
G7
SSE
6
G8
SSE
7
G10
SSE
10
G12
SSE
10
G17
S
13
G21
SSW
15
G25
SW
18
G28
SW
17
G27
S
16
G23
SSW
11
G19
SW
6
G12
SW
4
G7
SSW
3
G7
SSW
1
G2
S
2
G3
WNW
1
G4
W
1
G4
N
2
G5
SW
1
G5
SE
4
G7
SE
7
G9
SSE
9
G11
S
13
SSW
13
G15
SSW
10
G15
SSW
14
G16
SSW
14
SW
12
G14
SSW
11
G16
SSW
9
G20
SSW
16
G26
SW
6
G16
WNW
8
G12
N
4
G9
N
3
G6
N
4
G5
N
3
G5
N
3
G5
N
2
G7
NNW
1
G9
NW
2
G10
W
6
G14
NW
10
G15
NW
11
G14
WNW
12
G13
WNW
11
G14
W
10
G15
W
13
G16
W
13
G16
W
12
G15
W
12
G14
W
12
G16
WNW
12
G14
WNW
13
G18
NW
12
G16
NW
6
G15
NW
5
G12
NW
4
G9
NW
3
G7
NW
3
G6
NW
3
G6
NW
3
G5
NW
3
G5
NW
4
G5
NW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
2%
2%
2%
4%
6%
13%
16%
8%
7%
6%
5%
3%
3%
3%
3%
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%
7%
7%
7%
7%
7%
7%
15%
15%
15%
15%
15%
15%
20%
20%
20%
20%
20%
20%
7%
7%
7%
7%
7%
7%
12%
12%
12%
12%
12%
12%
11%
11%
11%
11%
11%
11%
5%
5%
5%
5%
5%
5%
1%
1%
1%
1%
1%
1%
1%
1%
CLOUDS
cover %
34%
few
34%
5%
26%
33%
100%
100%
100%
100%
100%
100%
75%
14%
0%
2%
0%
0%
0%
1%
100%
100%
44%
100%
100%
77%
17%
100%
76%
100%
77%
77%
46%
0%
0%
0%
0%
0%
0%
0%
5%
37%
0%
6%
6%
0%
0%
5%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
64%
10%
73%
80%
64%
0%
8%
11%
0%
7%
0%
10%
21%
6%
7%
7%
7%
72%
7%
14%
11%
12%
100%
99%
66%
12%
13%
12%
11%
7%
100%
100%
0%
6%
23%
15%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
94%
67%
31%
4%
0%
0%
PRESSURE
hPa · trend
977
977976977980979980980978974972972972968968971973975977979
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:10 AM
SUNSET
08:50 PM
15H 40M OF DAYLIGHT5H 24M REMAINING
MOON PHASE
Waning Gibbous
73% illuminated

Station Location

46.5360, -120.4734
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-05 15:26 UTC
Site #12502500·USGS

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