USGS · 01581500

BYNUM RUN

USGS · 01581500LIVE

BYNUM RUN AT BEL AIR, MD

HARFORD COUNTY, MD39.5415°N, -76.3301°W Updated 10 hr ago

FLOW RATE

3cfs

AIR TEMP

63°F

WIND

2mph W

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

3cfs 29.8% vs avg

Optimal band: 3–5 cfs

PERIOD HIGH

174cfs

PERIOD LOW

2cfs

RUNNABLE

51%

last 1 year in band

Precipitation History

Your History · BYNUM RUN AT BEL AIR, MD

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Weather Conditions

WEATHER CONDITIONS

TODAY

84°

62°

FRI

90°

68°

SAT

72°

66°

SUN

82°

64°

MON

86°

64°

TUE

86°

65°

WED

88°

66°

TIME

THU

NOW

FRI

SAT

SUN

MON

TUE

TEMP

hourly forecast

80°

mild

80°

82°

83°

84°

83°

82°

77°

74°

73°

72°

71°

70°

68°

69°

72°

73°

76°

80°

82°

85°

86°

88°

89°

90°

88°

85°

81°

79°

78°

71°

69°

68°

67°

66°

68°

67°

68°

69°

72°

71°

70°

67°

66°

65°

67°

65°

64°

67°

70°

73°

76°

78°

81°

82°

78°

82°

80°

78°

77°

75°

71°

69°

68°

67°

66°

65°

64°

66°

69°

72°

76°

79°

81°

83°

85°

86°

85°

81°

78°

76°

73°

71°

69°

68°

67°

66°

65°

WIND

mph · gust · dir

5mph SSW

G 9 mph

SSW

G10

G11

G12

SSE

G12

SSE

G12

SSE

G14

SSE

G15

SSE

G17

G22

G15

G16

G19

G20

G21

G19

G13

SSW

WNW

SSW

G12

G14

WSW

G16

G17

G16

WSW

G17

WSW

G17

G14

G11

SSW

G15

SSE

G10

ESE

G11

ESE

G13

ESE

G11

G14

G11

ENE

NNE

NNW

G11

NNW

G10

NNE

NNW

G11

ENE

G13

ESE

ENE

ESE

SSE

SSW

G10

SSE

G10

SSE

G11

SSE

G10

SSE

SSW

PRECIP

chance %

11%

12%

30%

69%

80%

74%

62%

19%

10%

CLOUDS

cover %

clear

100%

79%

87%

100%

97%

100%

81%

25%

15%

49%

91%

62%

80%

97%

93%

81%

100%

84%

100%

82%

71%

100%

86%

100%

99%

100%

21%

44%

34%

81%

100%

94%

83%

69%

51%

31%

17%

16%

21%

23%

PRESSURE

hPa · trend

1009

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:39 AM

SUNSET

08:36 PM

14H 57M OF DAYLIGHT10H 1M REMAINING

MOON PHASE

Waxing Gibbous

78% illuminated

Station Location

39.5415, -76.3301

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DATA · USGS · NOAA · NWSUPDATED 2026-06-25 10:35 UTC

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