USGS · 07144550

ARKANSAS R RIVER

USGS · 07144550LIVE

ARKANSAS R AT DERBY, KS

DERBY, KS37.5443°N, -97.2756°W Updated 16 hr ago

FLOW RATE

1,840cfs

AIR TEMP

70°F

WIND

11mph E

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

1,840cfs 52.7% vs avg

Optimal band: 533–721 cfs

PERIOD HIGH

3,803cfs

PERIOD LOW

215cfs

RUNNABLE

19%

last 30 day in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

17.4in

≈ normal

17.35 in of precipitation so far this year — about average for this point in the season (normal 18.32 in).

YTD Total

17.4in

This year so far

Normal to Date

18.3in

30-yr average

Typical Range

13.2–24.4in

10th–90th pct YTD

Departure

-5%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.08" · normal 1.08" (0.3–2.2)

Jan

Feb: 2.79" · normal 1.47" (0.6–3.0)

Feb

Mar: 0.58" · normal 2.82" (0.9–4.8)

Mar

Apr: 3.43" · normal 3.66" (1.5–5.8)

Apr

May: 5.10" · normal 5.64" (2.7–9.6)

May

Jun: 4.37" (so far)· normal 4.62" (1.6–7.8)

Jun

Jul: normal 2.99" (0.7–4.9)

Jul

Aug: normal 2.99" (1.1–5.1)

Aug

Sep: normal 2.94" (0.9–5.5)

Sep

Oct: normal 3.18" (1.6–6.2)

Oct

Nov: normal 1.73" (0.4–3.9)

Nov

Dec: normal 1.47" (0.3–2.9)

Dec

Baseline 1991–2020 · Source: Open-Meteo02:42 PM

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

78°

62°

WED

83°

67°

THU

91°

71°

FRI

92°

71°

SAT

96°

72°

SUN

95°

79°

MON

94°

79°

TIME

TUE

NOW

WED

THU

FRI

SAT

SUN

TEMP

hourly forecast

75°

mild

75°

78°

76°

74°

73°

72°

71°

68°

67°

68°

71°

73°

76°

78°

79°

81°

82°

83°

81°

79°

76°

75°

74°

73°

72°

71°

72°

75°

77°

79°

83°

86°

81°

85°

91°

90°

89°

84°

82°

79°

77°

76°

75°

74°

76°

75°

73°

71°

73°

76°

79°

82°

84°

86°

88°

90°

91°

92°

91°

88°

83°

81°

80°

82°

77°

75°

74°

73°

72°

76°

80°

85°

88°

89°

91°

93°

95°

96°

95°

90°

85°

84°

83°

85°

84°

83°

82°

81°

79°

80°

82°

84°

WIND

mph · gust · dir

8mph ESE

G 11 mph

G11

ESE

G10

ENE

G15

ESE

G19

G18

G19

G14

SSE

G14

SSE

G11

G13

ESE

G10

G11

NNE

G10

NNW

WNW

NNE

ENE

G10

SSE

G11

SSE

ESE

G11

G18

G28

G25

ESE

G27

SSE

G28

G26

G25

SSW

G24

SSW

G27

SSW

G22

SSW

G22

SSW

G20

SSW

G16

SSW

G21

SSE

G23

SSE

G18

ENE

G13

G22

ESE

G18

G13

SSE

G16

SSE

G15

G10

SSW

G10

SSW

G11

WSW

G10

G12

SSW

G10

SSW

G11

ESE

G25

G26

G30

SSE

G17

SSW

G25

G13

G15

SSW

G11

G12

G15

G28

SSE

G31

SSE

G32

G31

G28

SSW

G28

SSW

G28

G29

G30

G32

G33

G34

SSE

G41

SSE

G43

SSE

G44

SSE

G45

G38

G39

G40

G38

G34

G32

PRECIP

chance %

22%

24%

21%

29%

33%

30%

15%

11%

25%

32%

33%

35%

31%

34%

26%

16%

10%

11%

10%

12%

10%

12%

54%

57%

53%

49%

51%

11%

14%

CLOUDS

cover %

100%

overcast

100%

42%

95%

100%

25%

100%

97%

59%

69%

46%

93%

100%

98%

100%

82%

100%

81%

100%

80%

93%

98%

100%

94%

93%

100%

12%

28%

100%

38%

94%

100%

92%

100%

65%

11%

53%

21%

29%

40%

32%

38%

16%

100%

84%

100%

10%

38%

18%

100%

11%

63%

70%

22%

46%

63%

69%

68%

61%

PRESSURE

hPa · trend

973

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Moderate

Pressure

Stable

Moon Phase

Good

DAYLIGHT

SUNRISE

06:08 AM

SUNSET

08:54 PM

14H 46M OF DAYLIGHT4H 50M REMAINING

MOON PHASE

First Quarter

61% illuminated

Station Location

37.5443, -97.2756

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-23 16:04 UTC

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