USGS · 12101100

LAKE TAPPS DIVERSION

USGS · 12101100LIVE

LAKE TAPPS DIVERSION AT DIERINGER, WA

SUMNER, WA47.2382°N, -122.2282°W Updated 3 hr ago

FLOW RATE

21cfs

AIR TEMP

61°F

WIND

5mph WSW

FISH INDEX

88SCORE / 100

EPIC · 5 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

21cfs 32.1% vs avg

Optimal band: 18–24 cfs

PERIOD HIGH

22cfs

PERIOD LOW

20cfs

RUNNABLE

100%

last 7 day in band

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

63°

55°

TUE

67°

52°

WED

64°

52°

THU

68°

51°

FRI

71°

55°

SAT

78°

52°

SUN

78°

49°

TIME

TUE

NOW

WED

THU

FRI

SAT

TEMP

hourly forecast

52°

mild

52°

53°

55°

56°

58°

60°

62°

63°

64°

66°

67°

66°

65°

64°

62°

58°

56°

54°

53°

52°

53°

54°

55°

56°

58°

60°

62°

64°

63°

64°

63°

61°

59°

58°

56°

55°

54°

53°

52°

51°

53°

56°

58°

62°

65°

68°

66°

65°

62°

61°

57°

56°

55°

56°

57°

58°

59°

66°

71°

69°

68°

67°

64°

61°

59°

57°

56°

55°

54°

52°

54°

57°

61°

66°

69°

73°

75°

77°

78°

77°

75°

71°

WIND

mph · gust · dir

5mph SSW

G 15 mph

G15

SSW

G13

SSW

G12

SSW

G11

G12

G11

G12

G13

G12

WSW

G16

WSW

G16

WSW

G16

WSW

G16

WSW

G17

G19

G18

G16

SSW

G16

SSW

G17

SSW

G18

SSW

G17

SSW

G19

SSW

G18

G17

G16

G15

G14

G12

SSW

G13

SSE

G13

SSE

G13

G11

G10

SSW

G10

SSW

G11

SSW

G11

SSW

G11

SSW

WSW

WNW

NNW

WSW

SSW

WSW

SSE

ESE

ENE

WSW

NNE

SSW

WSW

G10

WSW

G11

WSW

G12

WSW

G13

WSW

G13

WSW

PRECIP

chance %

CLOUDS

cover %

54%

partly

54%

78%

96%

100%

84%

100%

78%

76%

100%

72%

100%

79%

29%

92%

73%

58%

77%

86%

100%

78%

100%

93%

100%

98%

60%

100%

75%

100%

78%

100%

85%

100%

68%

24%

62%

96%

100%

17%

26%

31%

47%

75%

13%

20%

33%

46%

63%

80%

84%

62%

26%

PRESSURE

hPa · trend

1015

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Stable

Moon Phase

Peak Activity

DAYLIGHT

SUNRISE

05:16 AM

SUNSET

09:08 PM

15H 52M OF DAYLIGHT17H 10M REMAINING

MOON PHASE

Full Moon

100% illuminated

PEAK ACTIVITY

Station Location

47.2382, -122.2282

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DATA · USGS · NOAA · NWSUPDATED 2026-06-30 03:58 UTC

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