USGS · 01081500

MERRIMACK RIVER

USGS · 01081500LIVE

MERRIMACK RIVER AT FRANKLIN JUNCTION, NH

FRANKLIN, NH43.4229°N, -71.6529°W Updated 16 hr ago

FLOW RATE

1,419cfs

GAUGE HT

4.87ft

AIR TEMP

80°F

WIND

3mph NNW

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

1,419cfs 20.1% vs avg

Optimal band: 1,467–1,985 cfs

PERIOD HIGH

1,995cfs

PERIOD LOW

1,419cfs

RUNNABLE

75%

last 7 day in band

Gauge Height

4.87ft

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

83°

53°

MON

88°

60°

TUE

98°

68°

WED

88°

67°

THU

81°

58°

FRI

68°

53°

SAT

78°

49°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

83°

mild

83°

82°

81°

77°

73°

70°

68°

67°

65°

63°

62°

60°

65°

70°

75°

79°

82°

84°

86°

87°

88°

83°

80°

78°

75°

72°

71°

69°

68°

71°

76°

79°

82°

89°

93°

96°

98°

97°

94°

90°

87°

86°

85°

84°

80°

76°

71°

69°

70°

75°

79°

81°

83°

84°

87°

88°

87°

88°

87°

79°

75°

73°

72°

69°

67°

70°

72°

69°

66°

64°

63°

67°

72°

77°

78°

80°

81°

76°

79°

77°

72°

67°

74°

72°

67°

65°

60°

58°

57°

56°

58°

57°

56°

55°

56°

58°

60°

62°

63°

65°

WIND

mph · gust · dir

6mph WSW

G 7 mph

WSW

SSW

SSE

G12

G13

SSE

G12

SSE

G11

SSE

ESE

SSE

G12

G11

SSW

G13

SSW

G12

SSW

G14

SSW

G15

SSW

G15

SSW

G16

WSW

G13

WNW

ESE

G12

SSE

G16

G20

G22

G21

G20

WSW

G22

G23

G25

G26

G29

WSW

G27

G28

WNW

G29

WNW

G29

G30

G31

G30

G26

G11

WNW

G24

G20

G25

WNW

G21

G22

G23

G24

G27

G24

G22

WNW

G21

WNW

G14

G23

G17

G25

WSW

G28

G27

G23

WNW

G15

G16

G15

G17

G19

G21

G24

G21

WNW

G16

WNW

G20

G19

G20

G18

WNW

G19

WNW

G24

G22

G20

G19

G18

PRECIP

chance %

10%

CLOUDS

cover %

15%

few

15%

100%

86%

14%

100%

34%

100%

59%

100%

94%

100%

62%

94%

100%

69%

57%

100%

13%

100%

94%

100%

35%

100%

56%

10%

100%

58%

56%

46%

39%

41%

45%

48%

46%

41%

38%

PRESSURE

hPa · trend

1009

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:17 AM

SUNSET

08:26 PM

15H 9M OF DAYLIGHT

MOON PHASE

Waning Crescent

5% illuminated

Station Location

43.4229, -71.6529

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

Site #01081500·USGS

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