Norwich, New York · field elev 1,024 ft

Density Altitude at Lt Warren Eaton (KOIC)

Lt Warren Eaton sits at 1,024 ft, and even a typical July afternoon (81 °F) only lifts density altitude to about 2,688 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,688 ft station: NORWICH · 4 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at NORWICH (4 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 21.7 −1,267 ft 31.5 −575 ft
February 22.8 −1,189 ft 33.9 −408 ft
March 31.3 −589 ft 42.7 197 ft
April 44.2 298 ft 56.5 1,118 ft
May 55.7 1,066 ft 68.9 1,921 ft
June 64.7 1,651 ft 77.1 2,439 ft
July 68.8 1,914 ft 81.1 2,688 ft
August 67.4 1,825 ft 79.4 2,582 ft
September 60.2 1,360 ft 72.5 2,149 ft
October 48.6 594 ft 60.1 1,354 ft
November 37.4 −166 ft 47.4 514 ft
December 28.2 −806 ft 36.5 −228 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 KOIC

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,682 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,682 ft

Field elevation 1,024 ft — the air behaves like 2,682 ft.

PRESSURE ALT
1,025 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 KOIC in summer?

On a typical July afternoon — around 81 °F at the nearest NOAA normals station — density altitude at Lt Warren Eaton reaches roughly 2,688 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 KOIC on an average day?

It swings with the seasons: from roughly −1,267 ft at the coldest month's average temperature to about 1,914 ft at the warmest month's — all from a constant field elevation of 1,024 ft. The month-by-month table above carries the full year.

What is the field elevation of Lt Warren Eaton?

1,024 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KOIC (ICAO) / OIC (FAA), in Norwich, New York.