Ashland, Oregon · field elev 1,889 ft
Density Altitude at Ashland Municipal/Sumner Parker Field (S03)
Ashland Municipal/Sumner Parker Field sits at 1,889 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 4,171 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 | 39.3 | 1,040 ft | 49.0 | 1,692 ft |
| February | 41.7 | 1,203 ft | 53.7 | 2,002 ft |
| March | 44.9 | 1,418 ft | 58.0 | 2,283 ft |
| April | 49.0 | 1,692 ft | 62.8 | 2,593 ft |
| May | 56.1 | 2,159 ft | 71.1 | 3,121 ft |
| June | 62.1 | 2,548 ft | 78.5 | 3,583 ft |
| July | 69.4 | 3,013 ft | 88.1 | 4,171 ft |
| August | 68.4 | 2,950 ft | 87.4 | 4,128 ft |
| September | 62.0 | 2,541 ft | 80.8 | 3,725 ft |
| October | 52.0 | 1,890 ft | 68.0 | 2,925 ft |
| November | 43.3 | 1,311 ft | 54.2 | 2,035 ft |
| December | 38.2 | 965 ft | 47.2 | 1,572 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 S03
DENSITY ALTITUDE
Field elevation 1,889 ft — the air behaves like 4,164 ft.
- PRESSURE ALT
- 1,890 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
- 24S — Pinehurst State
Pinehurst · elev 3,643 ft
- KMFR — Rogue Valley International/Medford
Medford · elev 1,335 ft
- 64S — Prospect State
Prospect · elev 2,578 ft
- 3S8 — Grants Pass
Grants Pass · elev 1,130 ft
- KLMT — Crater Lake/Klamath Regional
Klamath Falls · elev 4,095 ft
- 2S7 — Chiloquin State
Chiloquin · elev 4,221 ft
- 3S4 — Illinois Valley
Cave Junction · elev 1,394 ft
- 16S — Myrtle Creek Municipal
Myrtle Creek · elev 619 ft
Frequently asked questions
How high does density altitude get at S03 in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Ashland Municipal/Sumner Parker Field reaches roughly 4,171 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 S03 on an average day?
It swings with the seasons: from roughly 965 ft at the coldest month's average temperature to about 3,013 ft at the warmest month's — all from a constant field elevation of 1,889 ft. The month-by-month table above carries the full year.
What is the field elevation of Ashland Municipal/Sumner Parker Field?
1,889 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is S03 (FAA), in Ashland, Oregon.