MEDIAN FLOW RATE · 30 DAY
51cfs 51.2% vs avg
Optimal band: 26–35 cfs
PERIOD HIGH
110cfs
PERIOD LOW
25cfs
RUNNABLE
55%
last 30 day in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
19.4in
-21% vs normal
19.38 in of precipitation so far this year, 21% below the 30-year normal of 24.55 in for this point in the season.
YTD Total
19.4in
This year so far
Normal to Date
24.6in
30-yr average
Typical Range
17.8–31.6in
10th–90th pct YTD
Departure
-21%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.35" · normal 4.42" (2.6–6.8)
Feb: 2.20" · normal 3.86" (1.9–6.1)
Mar: 1.65" · normal 4.62" (2.2–6.8)
Apr: 1.21" · normal 3.89" (1.7–6.4)
May: 9.16" · normal 3.19" (1.4–5.7)
Jun: 2.45" · normal 3.69" (1.6–6.6)
Jul: 0.37" (so far)· normal 3.74" (1.7–6.8)
Aug: normal 3.91" (1.7–6.6)
Sep: normal 3.62" (1.3–6.1)
Oct: normal 3.23" (1.0–5.8)
Nov: normal 3.87" (2.0–5.4)
Dec: normal 4.28" (2.8–6.7)
Baseline 1991–2020 · Source: Open-Meteo02:40 PM
Your History · SOUTH TYGER RIVER BELOW DUNCAN, SC
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Station Location
34.9210, -82.1301Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #02158408·USGS
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