USGS · 01591700

HAWLINGS RIVER

USGS · 01591700LIVE

HAWLINGS RIVER NEAR SANDY SPRING, MD

MONTGOMERY COUNTY, MD39.1745°N, -77.0214°W Updated 9 hr ago

FLOW RATE

14cfs

GAUGE HT

0.53ft

AIR TEMP

73°F

WIND

5mph NE

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

14cfs 2.3% vs avg

Optimal band: 7–9 cfs

PERIOD HIGH

260cfs

PERIOD LOW

4cfs

RUNNABLE

32%

last 30 day in band

Gauge Height

0.53ft

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

82°

71°

MON

86°

65°

TUE

89°

64°

WED

97°

69°

THU

92°

76°

FRI

88°

71°

SAT

90°

67°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

72°

mild

72°

74°

76°

75°

78°

80°

82°

81°

80°

79°

76°

73°

72°

71°

70°

69°

68°

67°

66°

65°

67°

71°

75°

77°

79°

81°

83°

84°

85°

86°

85°

82°

80°

77°

74°

73°

71°

70°

68°

67°

66°

65°

64°

66°

71°

76°

79°

82°

84°

86°

88°

89°

88°

86°

80°

77°

76°

75°

73°

72°

70°

69°

70°

71°

76°

80°

84°

87°

89°

92°

94°

95°

96°

97°

92°

87°

84°

82°

80°

79°

78°

77°

76°

77°

80°

84°

86°

88°

90°

92°

90°

86°

84°

81°

79°

77°

76°

75°

74°

72°

WIND

mph · gust · dir

3mph E

G 14 mph

G14

G13

ENE

G13

ENE

G11

ENE

G10

G14

ESE

G13

ESE

G14

G12

G11

G10

SSE

NNE

SSE

ESE

ENE

SSE

G10

SSE

G13

G15

G13

SSW

WNW

WSW

G13

G19

G21

G20

G18

WSW

G15

WSW

G12

G11

G16

G20

WNW

G16

WNW

G15

WNW

G14

WNW

G13

WNW

G12

WNW

G12

WNW

G12

WNW

G13

G11

WNW

G17

NNW

G13

NNW

G20

G18

WNW

G17

G14

G15

WNW

G14

WNW

G10

WNW

G16

WNW

G13

G15

WNW

G17

WNW

G17

G19

NNW

G20

NNW

G24

NNW

G25

NNW

G26

NNW

G26

NNW

G26

NNW

G25

NNW

G24

NNW

G23

NNW

G21

G19

PRECIP

chance %

CLOUDS

cover %

100%

overcast

100%

99%

100%

93%

55%

67%

100%

85%

51%

37%

43%

13%

25%

54%

98%

10%

11%

100%

24%

71%

58%

55%

100%

99%

58%

49%

71%

100%

99%

100%

97%

86%

72%

PRESSURE

hPa · trend

1010

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:52 AM

SUNSET

08:35 PM

14H 43M OF DAYLIGHT

MOON PHASE

Waning Crescent

6% illuminated

Station Location

39.1745, -77.0214

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

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