MEDIAN FLOW RATE · 1 YEAR
64cfs 7.1% vs avg
Optimal band: 1–1 cfs
PERIOD HIGH
186cfs
PERIOD LOW
1cfs
RUNNABLE
69%
last 1 year in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
14.7in
-35% vs normal
14.72 in of precipitation so far this year, 35% below the 30-year normal of 22.68 in for this point in the season.
YTD Total
14.7in
This year so far
Normal to Date
22.7in
30-yr average
Typical Range
16.5–27.6in
10th–90th pct YTD
Departure
-35%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.08" · normal 3.61" (2.0–5.3)
Feb: 3.51" · normal 3.09" (1.5–5.0)
Mar: 1.65" · normal 4.22" (2.5–6.3)
Apr: 1.11" · normal 3.47" (1.6–5.1)
May: 3.00" · normal 3.55" (2.0–6.0)
Jun: 2.60" · normal 3.83" (1.9–6.1)
Jul: 0.77" (so far)· normal 4.25" (2.4–7.1)
Aug: normal 3.83" (2.2–6.1)
Sep: normal 4.53" (1.8–8.5)
Oct: normal 3.12" (1.3–4.9)
Nov: normal 3.43" (1.3–6.4)
Dec: normal 3.47" (2.0–5.4)
Baseline 1991–2020 · Source: Open-Meteo02:18 PM
Your History · SANDY CREEK AT CORNWALLIS RD NEAR DURHAM, NC
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Station Location
35.9832, -78.9568Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #0209722970·USGS
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