Inola, Oklahoma · field elev 661 ft

Density Altitude at Buzzards Roost (O18)

Buzzards Roost sits at 661 ft, and even a typical August afternoon (92 °F) only lifts density altitude to about 2,920 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: August · ≈2,920 ft station: PRYOR · 12 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at PRYOR (12 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 36.0 −715 ft 47.0 37 ft
February 40.7 −391 ft 52.9 432 ft
March 49.1 178 ft 60.9 958 ft
April 58.4 795 ft 70.7 1,590 ft
May 67.6 1,392 ft 78.6 2,088 ft
June 76.1 1,932 ft 86.6 2,584 ft
July 80.4 2,201 ft 91.2 2,865 ft
August 80.0 2,176 ft 92.1 2,920 ft
September 71.8 1,660 ft 83.5 2,393 ft
October 60.0 900 ft 73.0 1,736 ft
November 49.1 178 ft 61.0 965 ft
December 39.0 −508 ft 50.5 272 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 O18

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,914 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,914 ft

Field elevation 661 ft — the air behaves like 2,914 ft.

PRESSURE ALT
662 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 O18 in summer?

On a typical August afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Buzzards Roost reaches roughly 2,920 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 O18 on an average day?

It swings with the seasons: from roughly −715 ft at the coldest month's average temperature to about 2,201 ft at the warmest month's — all from a constant field elevation of 661 ft. The month-by-month table above carries the full year.

What is the field elevation of Buzzards Roost?

661 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is O18 (FAA), in Inola, Oklahoma.