USGS · 01591610

PATUXENT RIVER

USGS · 01591610LIVE

PATUXENT RIVER BELOW BRIGHTON DAM NEAR BRIGHTON,MD

MARYLAND39.1922°N, -77.0044°W Updated 17 hr ago

FLOW RATE

66cfs

AIR TEMP

99°F

WIND

5mph WSW

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

66cfs 46.2% vs avg

Optimal band: 45–61 cfs

PERIOD HIGH

67cfs

PERIOD LOW

45cfs

RUNNABLE

63%

last 7 day in band

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

102°

78°

SUN

98°

76°

MON

79°

68°

TUE

74°

64°

WED

83°

59°

THU

91°

67°

FRI

92°

70°

TIME

SAT

NOW

SUN

MON

TUE

WED

THU

TEMP

hourly forecast

102°

mild

102°

89°

86°

85°

84°

83°

81°

79°

77°

76°

77°

79°

83°

87°

90°

93°

95°

97°

98°

80°

83°

80°

76°

77°

76°

75°

74°

73°

74°

76°

77°

74°

71°

77°

79°

77°

75°

72°

69°

68°

66°

65°

66°

67°

69°

71°

73°

74°

73°

71°

72°

70°

69°

68°

66°

65°

64°

63°

62°

61°

60°

59°

61°

65°

69°

73°

76°

79°

80°

82°

83°

82°

76°

73°

72°

71°

70°

69°

68°

67°

68°

70°

72°

75°

79°

83°

87°

WIND

mph · gust · dir

8mph SW

G 13 mph

G13

G45

SSW

WNW

G12

NNE

G16

NNW

G14

G15

ENE

G11

G10

ESE

SSE

G11

SSE

G14

G13

SSE

G43

WNW

G18

G22

G13

ENE

G11

NNE

G12

ENE

NNE

G12

ENE

G10

ENE

SSW

NNE

NNW

G11

NNW

G10

NNE

G10

G15

G16

G15

G14

G12

G13

NNE

G13

NNE

G15

G16

G15

G13

NNE

G13

NNE

G13

NNE

G13

NNE

G13

NNE

G13

NNE

G13

NNE

G14

NNE

G14

G17

G13

NNE

G12

NNE

ENE

ESE

SSW

G11

G16

G19

SSE

G21

G24

G26

G18

G19

G20

G21

G20

SSW

G18

SSW

G17

SSW

G15

SSW

G14

SSW

G13

SSW

G12

SSW

PRECIP

chance %

16%

26%

25%

15%

28%

20%

24%

21%

23%

11%

15%

24%

22%

36%

38%

45%

46%

36%

31%

78%

44%

53%

82%

76%

35%

26%

44%

20%

CLOUDS

cover %

clear

97%

94%

100%

47%

91%

90%

100%

89%

100%

40%

19%

100%

46%

13%

21%

77%

100%

94%

89%

100%

79%

100%

88%

100%

25%

72%

22%

83%

53%

50%

97%

100%

68%

100%

96%

70%

100%

82%

72%

100%

10%

71%

PRESSURE

hPa · trend

1000

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:47 AM

SUNSET

08:37 PM

14H 50M OF DAYLIGHT

MOON PHASE

Waning Gibbous

77% illuminated

Station Location

39.1922, -77.0044

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-04 00:00 UTC

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