USGS · 01077400

COCKERMOUTH RIVER

USGS · 01077400LIVE

COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH

GROTON, NH43.7039°N, -71.8333°W Updated 11 hr ago

FLOW RATE

38cfs

AIR TEMP

60°F

WIND

2mph SE

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

38cfs 31.6% vs avg

Optimal band: 15–21 cfs

PERIOD HIGH

747cfs

PERIOD LOW

1cfs

RUNNABLE

last 1 year in band

Precipitation History

Your History · COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH

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Weather Conditions

WEATHER CONDITIONS

TODAY

73°

59°

SAT

75°

59°

SUN

81°

56°

MON

84°

57°

TUE

86°

59°

WED

86°

62°

THU

76°

60°

TIME

FRI

NOW

SAT

SUN

MON

TUE

WED

TEMP

hourly forecast

69°

mild

69°

71°

68°

73°

66°

70°

69°

67°

64°

63°

62°

61°

60°

59°

60°

63°

65°

67°

69°

71°

72°

73°

74°

75°

73°

71°

69°

68°

66°

63°

61°

59°

57°

56°

57°

60°

64°

69°

73°

76°

78°

79°

81°

80°

74°

71°

73°

69°

64°

62°

60°

59°

58°

57°

58°

63°

68°

73°

76°

78°

80°

82°

83°

84°

83°

81°

76°

70°

66°

64°

66°

63°

60°

59°

60°

65°

70°

74°

77°

81°

75°

82°

86°

84°

81°

75°

72°

69°

66°

64°

63°

62°

63°

WIND

mph · gust · dir

7mph S

G 14 mph

G14

G13

G14

G11

G21

G11

G15

G19

WNW

G15

G13

WNW

WSW

WNW

G15

WNW

G16

G13

WNW

G10

WNW

NNW

NNE

ESE

WSW

WNW

G10

NNW

G12

G11

G10

NNW

G11

G10

NNW

ENE

WNW

WSW

G10

WNW

G10

G12

ESE

NNW

PRECIP

chance %

19%

29%

42%

31%

45%

71%

57%

19%

10%

11%

28%

26%

19%

CLOUDS

cover %

97%

overcast

97%

58%

73%

57%

95%

100%

93%

100%

93%

100%

37%

100%

97%

21%

39%

54%

16%

14%

13%

89%

100%

94%

100%

12%

35%

12%

25%

100%

11%

45%

100%

11%

17%

13%

12%

40%

50%

52%

71%

100%

89%

77%

54%

27%

11%

16%

PRESSURE

hPa · trend

996

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:07 AM

SUNSET

08:33 PM

15H 26M OF DAYLIGHT8H 55M REMAINING

MOON PHASE

Waxing Gibbous

86% illuminated

Station Location

43.7039, -71.8333

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DATA · USGS · NOAA · NWSUPDATED 2026-06-26 11:38 UTC

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