Vale, Oregon · field elev 2,249 ft
Density Altitude at Miller Meml Airpark (S49)
Miller Meml Airpark sits at 2,249 ft, and even a typical July afternoon (93 °F) only lifts density altitude to about 4,884 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 | 28.3 | 732 ft | 35.4 | 1,222 ft |
| February | 34.3 | 1,146 ft | 44.1 | 1,811 ft |
| March | 42.6 | 1,710 ft | 55.5 | 2,564 ft |
| April | 48.7 | 2,117 ft | 62.8 | 3,035 ft |
| May | 58.7 | 2,771 ft | 73.5 | 3,712 ft |
| June | 65.3 | 3,195 ft | 81.6 | 4,213 ft |
| July | 74.8 | 3,793 ft | 92.7 | 4,884 ft |
| August | 72.1 | 3,624 ft | 91.0 | 4,783 ft |
| September | 62.2 | 2,997 ft | 80.3 | 4,133 ft |
| October | 48.4 | 2,097 ft | 63.7 | 3,093 ft |
| November | 35.6 | 1,236 ft | 46.6 | 1,978 ft |
| December | 28.0 | 711 ft | 36.8 | 1,317 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 S49
DENSITY ALTITUDE
Field elevation 2,249 ft — the air behaves like 4,902 ft.
- PRESSURE ALT
- 2,250 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 Oregon fields
- KONO — Ontario Municipal
Ontario · elev 2,193 ft
- 28U — Owyhee Reservoir State
Owyhee · elev 2,680 ft
- KBKE — Baker City Municipal
Baker City · elev 3,373 ft
- KBNO — Burns Municipal
Burns · elev 4,148 ft
- KGCD — Grant County Regional/Ogilvie Field
John Day · elev 3,703 ft
- KJSY — Joseph State
Joseph · elev 4,126 ft
- 68D — Reds Horse Ranch Usfs
Enterprise · elev 3,613 ft
- KLGD — La Grande/Union County
La Grande · elev 2,718 ft
Frequently asked questions
How high does density altitude get at S49 in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Miller Meml Airpark reaches roughly 4,884 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 S49 on an average day?
It swings with the seasons: from roughly 711 ft at the coldest month's average temperature to about 3,793 ft at the warmest month's — all from a constant field elevation of 2,249 ft. The month-by-month table above carries the full year.
What is the field elevation of Miller Meml Airpark?
2,249 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is S49 (FAA), in Vale, Oregon.