USGS · 03228300

BIG WALNUT CREEK

USGS · 03228300LIVE

Big Walnut Creek at Sunbury OH

DELAWARE COUNTY, OH40.2362°N, -82.8513°W Updated 20 hr ago

FLOW RATE

12cfs

AIR TEMP

77°F

WIND

13mph WSW

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

12cfs 4.9% vs avg

Optimal band: 26–36 cfs

PERIOD HIGH

1,316cfs

PERIOD LOW

12cfs

RUNNABLE

19%

last 30 day in band

Precipitation History

Your History · Big Walnut Creek at Sunbury OH

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Weather Conditions

WEATHER CONDITIONS

TODAY

80°

62°

FRI

78°

63°

SAT

72°

64°

SUN

80°

58°

MON

85°

62°

TUE

91°

70°

WED

92°

75°

TIME

THU

NOW

FRI

SAT

SUN

MON

TUE

TEMP

hourly forecast

73°

mild

73°

70°

68°

67°

65°

64°

63°

66°

69°

71°

74°

76°

77°

78°

76°

74°

72°

69°

67°

66°

65°

64°

65°

66°

67°

69°

68°

69°

70°

71°

72°

71°

72°

71°

67°

65°

64°

63°

61°

60°

59°

58°

60°

64°

67°

70°

73°

76°

77°

79°

80°

76°

71°

69°

67°

66°

65°

64°

63°

62°

64°

68°

71°

74°

76°

77°

79°

81°

82°

83°

84°

85°

81°

76°

75°

74°

73°

72°

71°

70°

71°

75°

78°

81°

84°

86°

88°

89°

90°

WIND

mph · gust · dir

16mph NW

G 26 mph

G26

SSE

G12

WSW

SSW

WSW

WNW

NNW

NNE

NNW

WNW

G12

G11

ESE

G13

ENE

G15

ENE

G19

G20

G19

ESE

G17

ESE

G18

ESE

G18

G23

G24

G19

G17

G13

G20

SSE

G20

SSE

G12

ESE

G10

ENE

NNE

ENE

NNE

ENE

ESE

SSE

SSW

WSW

ESE

G10

ESE

SSE

SSW

G10

WSW

G10

WSW

PRECIP

chance %

29%

30%

29%

11%

15%

30%

35%

42%

43%

44%

42%

44%

51%

62%

63%

58%

59%

85%

54%

24%

CLOUDS

cover %

100%

overcast

100%

93%

100%

97%

100%

99%

100%

82%

30%

84%

100%

57%

48%

100%

36%

57%

40%

42%

44%

65%

99%

100%

91%

87%

49%

100%

15%

50%

26%

38%

100%

28%

26%

100%

11%

10%

100%

20%

100%

17%

64%

61%

48%

33%

46%

69%

85%

89%

88%

81%

68%

PRESSURE

hPa · trend

980

TemperatureWind / GustsPrecipitationCloud coverPressure

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FISH INDEX

Temperature

Warm

Wind

Moderate

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

06:03 AM

SUNSET

09:05 PM

15H 2M OF DAYLIGHT0H 44M REMAINING

MOON PHASE

Waxing Gibbous

81% illuminated

Station Location

40.2362, -82.8513

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DATA · USGS · NOAA · NWSUPDATED 2026-06-25 20:21 UTC

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