Gold Beach, Oregon · field elev 21 ft
Density Altitude at Gold Beach Municipal (4S1)
Gold Beach Municipal sits at 21 ft, and even a typical September afternoon (69 °F) only lifts density altitude to about 682 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 | 48.7 | −642 ft | 54.7 | −240 ft |
| February | 48.9 | −629 ft | 55.4 | −194 ft |
| March | 49.7 | −575 ft | 56.7 | −108 ft |
| April | 51.4 | −461 ft | 58.6 | 18 ft |
| May | 54.8 | −234 ft | 62.3 | 261 ft |
| June | 57.7 | −42 ft | 65.4 | 462 ft |
| July | 60.6 | 149 ft | 68.1 | 637 ft |
| August | 60.9 | 169 ft | 68.6 | 669 ft |
| September | 60.3 | 130 ft | 68.8 | 682 ft |
| October | 56.4 | −128 ft | 64.1 | 378 ft |
| November | 50.9 | −494 ft | 57.2 | −75 ft |
| December | 47.9 | −697 ft | 54.0 | −287 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 4S1
DENSITY ALTITUDE
Field elevation 21 ft — the air behaves like 695 ft.
- PRESSURE ALT
- 22 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
- KBOK — Brookings
Brookings · elev 462 ft
- 5S6 — Cape Blanco State
Sixes · elev 202 ft
- 6S6 — Powers
Powers · elev 326 ft
- 3S4 — Illinois Valley
Cave Junction · elev 1,394 ft
- S05 — Bandon State
Bandon · elev 122 ft
- 3S8 — Grants Pass
Grants Pass · elev 1,130 ft
- 16S — Myrtle Creek Municipal
Myrtle Creek · elev 619 ft
- KOTH — Southwest Oregon Regional
North Bend · elev 17 ft
Frequently asked questions
How high does density altitude get at 4S1 in summer?
On a typical September afternoon — around 69 °F at the nearest NOAA normals station — density altitude at Gold Beach Municipal reaches roughly 682 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 4S1 on an average day?
It swings with the seasons: from roughly −697 ft at the coldest month's average temperature to about 169 ft at the warmest month's — all from a constant field elevation of 21 ft. The month-by-month table above carries the full year.
What is the field elevation of Gold Beach Municipal?
21 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4S1 (FAA), in Gold Beach, Oregon.