USGS · 03228300

BIG WALNUT CREEK

USGS · 03228300LIVE

Big Walnut Creek at Sunbury OH

DELAWARE COUNTY, OH40.2362°N, -82.8513°W Updated 19 hr ago

FLOW RATE

24cfs

GAUGE HT

4.86ft

WATER TEMP

74°F

AIR TEMP

82°F

WIND

13mph E

FISH INDEX

50SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

24cfs 90.9% vs avg

Optimal band: 3–3 cfs

PERIOD HIGH

71cfs

PERIOD LOW

3cfs

RUNNABLE

63%

last 7 day in band

Gauge Height

4.86ft

Water Temperature

73.8°F

Precipitation History

Your History · Big Walnut Creek at Sunbury OH

Track your history

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

84°

66°

MON

89°

65°

TUE

87°

67°

WED

88°

70°

THU

84°

70°

FRI

77°

60°

SAT

78°

56°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

82°

mild

82°

77°

74°

72°

71°

70°

69°

68°

67°

66°

65°

69°

74°

78°

81°

84°

85°

87°

88°

89°

88°

87°

84°

79°

76°

75°

73°

71°

70°

69°

68°

67°

72°

75°

78°

80°

83°

85°

86°

87°

86°

84°

80°

76°

75°

73°

72°

71°

70°

71°

74°

77°

80°

83°

84°

85°

86°

87°

88°

86°

83°

79°

78°

75°

74°

72°

71°

70°

72°

74°

77°

79°

82°

83°

84°

83°

80°

77°

73°

72°

73°

68°

67°

66°

62°

61°

60°

62°

65°

68°

71°

73°

75°

76°

WIND

mph · gust · dir

7mph NNW

G 13 mph

G13

NNW

G20

G12

NNE

G11

G10

NNW

G13

NNE

G14

G12

ENE

G12

ENE

ESE

ENE

NNE

G10

NNE

G13

G14

G13

G12

ENE

G11

ENE

ESE

SSW

NNW

WNW

G10

G12

G11

WNW

G10

WNW

G10

WNW

G11

WNW

G10

G12

G10

WNW

G11

G13

WNW

G20

WNW

G23

WNW

G23

WNW

G24

G20

G18

NNW

G14

NNW

G13

G11

G10

NNE

WNW

G16

ENE

G17

ENE

G16

ENE

G16

ENE

G13

ENE

G16

ENE

G15

ENE

G13

ENE

G11

ENE

NNE

PRECIP

chance %

11%

CLOUDS

cover %

11%

clear

11%

14%

99%

57%

53%

10%

100%

59%

44%

99%

62%

78%

56%

35%

100%

97%

20%

100%

11%

100%

41%

20%

11%

80%

11%

40%

12%

79%

98%

47%

15%

100%

11%

13%

86%

19%

78%

100%

23%

77%

100%

91%

81%

56%

33%

19%

PRESSURE

hPa · trend

984

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Moderate

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

06:12 AM

SUNSET

09:01 PM

14H 49M OF DAYLIGHT

MOON PHASE

Waning Crescent

4% illuminated

Station Location

40.2362, -82.8513

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC

Site #03228300·USGS

Create a free account to save favorites, set flow alerts, and track conditions