USGS · 10173450

MAMMOTH CREEK

USGS · 10173450LIVE

MAMMOTH CREEK ABV WEST HATCH DITCH, NEAR HATCH, UT

GARFIELD COUNTY, UT37.6228°N, -112.5169°W Updated 4 hr ago

FLOW RATE

13cfs

AIR TEMP

60°F

WIND

10mph W

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

13cfs 28.4% vs avg

Optimal band: 9–12 cfs

PERIOD HIGH

138cfs

PERIOD LOW

5cfs

RUNNABLE

27%

last 1 year in band

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

73°

44°

THU

76°

49°

FRI

78°

51°

SAT

84°

48°

SUN

85°

53°

MON

87°

55°

TUE

87°

56°

TIME

THU

NOW

FRI

SAT

SUN

MON

TEMP

hourly forecast

50°

mild

50°

49°

50°

55°

61°

66°

68°

70°

72°

74°

75°

76°

75°

74°

72°

70°

64°

61°

59°

58°

57°

56°

54°

53°

52°

51°

58°

64°

68°

71°

73°

75°

77°

78°

77°

75°

72°

62°

58°

56°

54°

52°

51°

50°

49°

48°

52°

63°

68°

72°

75°

79°

82°

83°

84°

83°

82°

80°

75°

64°

59°

57°

56°

55°

54°

53°

57°

68°

74°

78°

81°

83°

84°

85°

83°

82°

79°

76°

64°

63°

60°

59°

58°

57°

56°

55°

59°

69°

74°

78°

81°

83°

85°

86°

87°

85°

81°

75°

70°

WIND

mph · gust · dir

2mph SW

WSW

G14

G16

G15

G17

G16

WSW

G20

WSW

G17

WSW

G17

WSW

G17

WSW

G19

WSW

G16

WNW

NNW

WSW

SSW

G12

SSW

G13

SSW

G12

G14

SSW

G16

G17

WSW

G16

G19

G18

WSW

WNW

WSW

WNW

ESE

G11

SSE

SSW

G18

WSW

WNW

SSW

SSE

G11

G13

SSW

G14

SSW

NNW

WSW

SSE

G12

SSW

G15

G18

WSW

G19

WSW

PRECIP

chance %

CLOUDS

cover %

clear

17%

98%

26%

13%

100%

53%

80%

87%

36%

11%

57%

100%

12%

21%

40%

49%

40%

21%

PRESSURE

hPa · trend

777

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Moderate

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

06:12 AM

SUNSET

08:55 PM

14H 43M OF DAYLIGHT16H 50M REMAINING

MOON PHASE

Waning Gibbous

95% illuminated

Station Location

37.6228, -112.5169

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DATA · USGS · NOAA · NWSUPDATED 2026-07-02 04:05 UTC

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