Bandera, Washington · field elev 1,636 ft
Density Altitude at Bandera State (4W0)
Bandera State sits at 1,636 ft, and even a typical August afternoon (71 °F) only lifts density altitude to about 2,785 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 | 35.5 | 466 ft | 39.5 | 739 ft |
| February | 36.8 | 555 ft | 42.0 | 909 ft |
| March | 39.4 | 733 ft | 45.8 | 1,165 ft |
| April | 43.6 | 1,017 ft | 51.2 | 1,525 ft |
| May | 50.4 | 1,472 ft | 58.9 | 2,030 ft |
| June | 54.7 | 1,755 ft | 63.1 | 2,301 ft |
| July | 60.5 | 2,133 ft | 70.1 | 2,747 ft |
| August | 61.2 | 2,179 ft | 70.7 | 2,785 ft |
| September | 55.8 | 1,827 ft | 64.2 | 2,372 ft |
| October | 47.5 | 1,279 ft | 53.7 | 1,690 ft |
| November | 39.8 | 760 ft | 44.1 | 1,051 ft |
| December | 34.9 | 424 ft | 38.6 | 678 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 4W0
DENSITY ALTITUDE
Field elevation 1,636 ft — the air behaves like 2,804 ft.
- PRESSURE ALT
- 1,637 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
- KESW — Easton State
Easton · elev 2,226 ft
- S88 — Skykomish State
Skykomish · elev 1,002 ft
- 21W — Ranger Creek
Greenwater · elev 2,650 ft
- S36 — Crest Airfield
Covington · elev 472 ft
- KRNT — Renton Municipal
Renton · elev 32 ft
- S50 — Auburn Municipal
Auburn · elev 63 ft
- S93 — Cle Elum Municipal
Cle Elum · elev 1,945 ft
- 2W1 — De Vere Field
Cle Elum · elev 1,800 ft
Frequently asked questions
How high does density altitude get at 4W0 in summer?
On a typical August afternoon — around 71 °F at the nearest NOAA normals station — density altitude at Bandera State reaches roughly 2,785 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 4W0 on an average day?
It swings with the seasons: from roughly 424 ft at the coldest month's average temperature to about 2,179 ft at the warmest month's — all from a constant field elevation of 1,636 ft. The month-by-month table above carries the full year.
What is the field elevation of Bandera State?
1,636 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4W0 (FAA), in Bandera, Washington.