Cumberland, Maryland · field elev 607 ft

Density Altitude at Mexico Farms (1W3)

Mexico Farms sits at 607 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 2,549 ft — heat still trims performance, but the field rarely turns high-and-hot.

worst typical month: July · ≈2,549 ft station: CUMBERLAND 2 · 2 mi away normals vintage 1991–2020

Typical density altitude by month

From NOAA 1991–2020 monthly normals at CUMBERLAND 2 (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 30.8 −1,145 ft 39.2 −561 ft
February 33.7 −942 ft 43.4 −274 ft
March 42.1 −363 ft 53.0 372 ft
April 53.6 411 ft 66.3 1,242 ft
May 62.9 1,022 ft 74.6 1,771 ft
June 71.3 1,562 ft 82.5 2,265 ft
July 75.8 1,847 ft 87.1 2,549 ft
August 74.0 1,733 ft 85.4 2,445 ft
September 66.8 1,274 ft 78.5 2,016 ft
October 55.0 504 ft 66.8 1,274 ft
November 43.7 −254 ft 53.9 431 ft
December 35.0 −851 ft 42.9 −308 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 1W3

Altimeter-style gauge: field elevation and density altitude needles 03691215 DENSITY ALT ×1,000 FT 2,543 DENSITY ALTITUDE · FEET
field elevation density altitude

DENSITY ALTITUDE 2,543 ft

Field elevation 607 ft — the air behaves like 2,543 ft.

PRESSURE ALT
608 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 1W3 in summer?

On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Mexico Farms reaches roughly 2,549 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 1W3 on an average day?

It swings with the seasons: from roughly −1,145 ft at the coldest month's average temperature to about 1,847 ft at the warmest month's — all from a constant field elevation of 607 ft. The month-by-month table above carries the full year.

What is the field elevation of Mexico Farms?

607 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1W3 (FAA), in Cumberland, Maryland.