Arlington, Washington · field elev 142 ft
Density Altitude at Arlington Municipal (KAWO)
Arlington Municipal sits at 142 ft, and even a typical August afternoon (78 °F) only lifts density altitude to about 1,397 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 | 38.0 | −1,223 ft | 47.4 | −580 ft |
| February | 39.3 | −1,134 ft | 50.5 | −371 ft |
| March | 42.9 | −886 ft | 54.2 | −124 ft |
| April | 47.6 | −567 ft | 59.8 | 246 ft |
| May | 53.8 | −151 ft | 66.7 | 695 ft |
| June | 58.2 | 141 ft | 71.0 | 972 ft |
| July | 62.6 | 429 ft | 77.3 | 1,372 ft |
| August | 62.4 | 416 ft | 77.7 | 1,397 ft |
| September | 57.1 | 68 ft | 72.0 | 1,036 ft |
| October | 48.9 | −479 ft | 60.8 | 312 ft |
| November | 41.7 | −968 ft | 52.2 | −257 ft |
| December | 37.0 | −1,293 ft | 46.1 | −668 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 KAWO
DENSITY ALTITUDE
Field elevation 142 ft — the air behaves like 1,416 ft.
- PRESSURE ALT
- 143 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
- 13W — Camano Island Airfield
Stanwood · elev 145 ft
- W10 — Whidbey Air Park
Langley · elev 271 ft
- S43 — Harvey Field
Snohomish · elev 23 ft
- KPAE — Seattle Paine Field International
Everett · elev 607 ft
- W16 — First Air Field
Monroe · elev 50 ft
- KOKH — Delaurentis
Oak Harbor · elev 193 ft
- KBVS — Skagit Regional
Burlington/Mount Vernon · elev 145 ft
- 1S2 — Darrington Municipal
Darrington · elev 553 ft
Frequently asked questions
How high does density altitude get at KAWO in summer?
On a typical August afternoon — around 78 °F at the nearest NOAA normals station — density altitude at Arlington Municipal reaches roughly 1,397 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 KAWO on an average day?
It swings with the seasons: from roughly −1,293 ft at the coldest month's average temperature to about 429 ft at the warmest month's — all from a constant field elevation of 142 ft. The month-by-month table above carries the full year.
What is the field elevation of Arlington Municipal?
142 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KAWO (ICAO) / AWO (FAA), in Arlington, Washington.