The Dalles, Oregon · field elev 247 ft
Density Altitude at Columbia Gorge Regional/The Dalles Municipal (KDLS)
Columbia Gorge Regional/The Dalles Municipal sits at 247 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,190 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 | 36.5 | −1,196 ft | 42.1 | −810 ft |
| February | 40.2 | −941 ft | 48.4 | −382 ft |
| March | 46.4 | −517 ft | 56.7 | 172 ft |
| April | 53.0 | −74 ft | 64.2 | 663 ft |
| May | 61.3 | 474 ft | 73.5 | 1,260 ft |
| June | 67.1 | 850 ft | 79.1 | 1,613 ft |
| July | 74.7 | 1,336 ft | 88.4 | 2,190 ft |
| August | 74.1 | 1,298 ft | 87.9 | 2,160 ft |
| September | 66.3 | 799 ft | 80.4 | 1,695 ft |
| October | 54.0 | −7 ft | 65.5 | 747 ft |
| November | 42.7 | −769 ft | 50.2 | −261 ft |
| December | 36.2 | −1,217 ft | 41.4 | −858 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 KDLS
DENSITY ALTITUDE
Field elevation 247 ft — the air behaves like 2,166 ft.
- PRESSURE ALT
- 248 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
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- KCZK — Cascade Locks State
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- 1S8 — Arlington Municipal
Arlington · elev 890 ft
- 03S — Sandy River
Sandy · elev 704 ft
- 3S9 — Condon State Pauling Field
Condon · elev 2,911 ft
- KTTD — Portland-Troutdale
Portland · elev 39 ft
- S33 — Madras Municipal
Madras · elev 2,438 ft
Frequently asked questions
How high does density altitude get at KDLS in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Columbia Gorge Regional/The Dalles Municipal reaches roughly 2,190 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 KDLS on an average day?
It swings with the seasons: from roughly −1,217 ft at the coldest month's average temperature to about 1,336 ft at the warmest month's — all from a constant field elevation of 247 ft. The month-by-month table above carries the full year.
What is the field elevation of Columbia Gorge Regional/The Dalles Municipal?
247 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDLS (ICAO) / DLS (FAA), in The Dalles, Oregon.