Jamestown, Kentucky · field elev 1,010 ft

Density Altitude at Russell County (K24)

Russell County sits at 1,010 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,948 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,948 ft station: JAMESTOWN WWTP · 2 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at JAMESTOWN WWTP (2 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 −418 ft 43.5 233 ft
February 37.5 −176 ft 48.1 544 ft
March 45.5 369 ft 57.2 1,147 ft
April 54.8 989 ft 67.5 1,814 ft
May 64.2 1,602 ft 75.4 2,315 ft
June 71.9 2,094 ft 82.6 2,764 ft
July 75.4 2,315 ft 85.6 2,948 ft
August 74.2 2,239 ft 84.8 2,899 ft
September 67.7 1,827 ft 79.4 2,565 ft
October 56.7 1,114 ft 68.9 1,903 ft
November 45.1 342 ft 56.7 1,114 ft
December 38.2 −128 ft 47.4 497 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 K24

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,973 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,973 ft

Field elevation 1,010 ft — the air behaves like 2,973 ft.

PRESSURE ALT
1,011 ft
ISA DEVIATION
RULE-OF-THUMB DA
AIR DENSITY INDEX
AIR DENSITY
WATER · GRAINS/LB

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 K24 in summer?

On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Russell County reaches roughly 2,948 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 K24 on an average day?

It swings with the seasons: from roughly −418 ft at the coldest month's average temperature to about 2,315 ft at the warmest month's — all from a constant field elevation of 1,010 ft. The month-by-month table above carries the full year.

What is the field elevation of Russell County?

1,010 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is K24 (FAA), in Jamestown, Kentucky.