WaterLands
Green River
USGS · 03320000
GREEN RIVER
USGS · 03320000LIVE

GREEN RIVER AT LOCK 2 AT CALHOUN, KY

CALHOUN, KY37.5339°N, -87.2639°W Updated 8 hr ago
FLOW RATE
13,221cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
13,221cfs 24.6% vs avg
Optimal band: 11,20115,155 cfs
PERIOD HIGH
15,123cfs
PERIOD LOW
1,706cfs
RUNNABLE
50%
last 7 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

22.8in

≈ normal

22.76 in of precipitation so far this year — about average for this point in the season (normal 23.07 in).

YTD Total

22.8in

This year so far

Normal to Date

23.1in

30-yr average

Typical Range

18.6–28.9in

10th–90th pct YTD

Departure

-1%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 1.87" · normal 3.69" (1.9–5.1)
Jan
Feb: 2.01" · normal 3.68" (1.9–5.5)
Feb
Mar: 4.65" · normal 4.66" (2.7–7.0)
Mar
Apr: 4.87" · normal 4.89" (2.9–7.1)
Apr
May: 6.22" · normal 4.48" (2.2–6.1)
May
Jun: 3.13" (so far)· normal 3.84" (2.4–5.1)
Jun
Jul: normal 3.45" (1.4–5.5)
Jul
Aug: normal 2.94" (1.0–4.9)
Aug
Sep: normal 3.41" (0.6–7.3)
Sep
Oct: normal 3.63" (0.8–6.1)
Oct
Nov: normal 3.66" (2.0–5.8)
Nov
Dec: normal 4.35" (2.7–6.6)
Dec
Baseline 19912020 · Source: Open-Meteo08:40 AM
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Station Location

37.5339, -87.2639
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-13 08:40 UTC
Site #03320000·USGS

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