Falls-Of-Rough, Kentucky · field elev 576 ft

Density Altitude at Rough River State Park (2I3)

Rough River State Park sits at 576 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,701 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,701 ft station: ROUGH RVR LAKE · 1 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at ROUGH RVR LAKE (1 mi from the field) · standard pressure, dry air
Month Avg temp °F DA at avg temp Afternoon high °F DA on a typical afternoon
January 34.0 −960 ft 43.6 −299 ft
February 37.4 −724 ft 48.6 39 ft
March 45.9 −143 ft 58.2 677 ft
April 56.4 558 ft 70.0 1,441 ft
May 65.7 1,165 ft 78.5 1,978 ft
June 74.1 1,701 ft 86.6 2,481 ft
July 77.8 1,934 ft 90.2 2,701 ft
August 76.5 1,853 ft 89.8 2,677 ft
September 69.9 1,434 ft 83.6 2,296 ft
October 58.1 670 ft 71.9 1,562 ft
November 46.5 −102 ft 58.6 703 ft
December 37.8 −696 ft 47.7 −21 ft

▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.

Run today’s numbers for 2I3

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,689 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,689 ft

Field elevation 576 ft — the air behaves like 2,689 ft.

PRESSURE ALT
577 ft
ISA DEVIATION
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RULE-OF-THUMB DA
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AIR DENSITY INDEX
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AIR DENSITY
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WATER · GRAINS/LB
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For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment

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Frequently asked questions

How high does density altitude get at 2I3 in summer?

On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Rough River State Park reaches roughly 2,701 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.

What is the density altitude at 2I3 on an average day?

It swings with the seasons: from roughly −960 ft at the coldest month's average temperature to about 1,934 ft at the warmest month's — all from a constant field elevation of 576 ft. The month-by-month table above carries the full year.

What is the field elevation of Rough River State Park?

576 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2I3 (FAA), in Falls-Of-Rough, Kentucky.