Mattawa, Washington · field elev 586 ft
Density Altitude at Desert Aire Regional (M94)
Desert Aire Regional sits at 586 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,799 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 35.1 | −871 ft | 40.6 | −491 ft |
| February | 39.5 | −567 ft | 46.9 | −63 ft |
| March | 47.4 | −29 ft | 56.9 | 604 ft |
| April | 55.1 | 485 ft | 65.4 | 1,158 ft |
| May | 64.0 | 1,067 ft | 75.2 | 1,783 ft |
| June | 70.8 | 1,504 ft | 82.0 | 2,209 ft |
| July | 79.0 | 2,022 ft | 91.6 | 2,799 ft |
| August | 78.1 | 1,965 ft | 90.2 | 2,713 ft |
| September | 69.0 | 1,389 ft | 80.4 | 2,109 ft |
| October | 55.9 | 538 ft | 65.3 | 1,151 ft |
| November | 43.0 | −327 ft | 49.9 | 139 ft |
| December | 35.4 | −850 ft | 40.9 | −471 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 M94
DENSITY ALTITUDE
Field elevation 586 ft — the air behaves like 2,823 ft.
- PRESSURE ALT
- 587 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
Nearby Washington fields
- 1S5 — Sunnyside Municipal
Sunnyside · elev 768 ft
- KYKM — Yakima Air Trml/Mcallister Field
Yakima · elev 1,099 ft
- S40 — Prosser
Prosser · elev 706 ft
- 80T — Quincy Municipal
Quincy · elev 1,271 ft
- KELN — Bowers Field
Ellensburg · elev 1,763 ft
- KRLD — Richland
Richland · elev 394 ft
- S70 — Othello Municipal
Othello · elev 1,149 ft
- 2S4 — Warden
Warden · elev 1,276 ft
Frequently asked questions
How high does density altitude get at M94 in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Desert Aire Regional reaches roughly 2,799 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 M94 on an average day?
It swings with the seasons: from roughly −871 ft at the coldest month's average temperature to about 2,022 ft at the warmest month's — all from a constant field elevation of 586 ft. The month-by-month table above carries the full year.
What is the field elevation of Desert Aire Regional?
586 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is M94 (FAA), in Mattawa, Washington.