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Mccormick Creek at Mouth near Key Largo, FL Water Level Today

Florida · USGS gauge 251003080435500 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 251003080435500 sits on Mccormick Creek in the Everglades basin. Daily flow has been on record here since 1996, 30 years of it.

Normal flows here

Mccormick Creek runs a median of 18 cfs at this gauge across 30 years of record. October is the fullest month at a median 97 cfs, and April the leanest at -33.5 cfs. The highest daily mean on record is 414 cfs in 2019, and the lowest is -308.0 cfs in 2004.

Median flow by month
MonthMedian flowShare of annual median
Jan13 cfs74%
Feb2.5 cfs14%
Mar-12.0 cfs-69%
Apr-33.5 cfs-191%
May-27.0 cfs-154%
Jun14 cfs83%
Jul24 cfs137%
Aug20 cfs114%
Sep70 cfs397%
Oct97 cfs554%
Nov52 cfs300%
Dec28 cfs160%

Medians from the USGS daily-statistics record, 1996 to 2026. A month at 100% is running at its own long-term median.

Nearby river gauges

Live streamflow and gage height: USGS gauge 251003080435500. Percentile context computed against the gauge's period of record. Not for navigation.

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