Skwentna, Alaska · field elev 148 ft
Density Altitude at Skwentna (PASW)
Skwentna sits at 148 ft, and even a typical July afternoon (70 °F) only lifts density altitude to about 922 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 | 9.0 | −3,299 ft | 16.8 | −2,723 ft |
| February | 16.1 | −2,774 ft | 25.2 | −2,116 ft |
| March | 22.6 | −2,303 ft | 34.2 | −1,480 ft |
| April | 35.8 | −1,369 ft | 46.3 | −647 ft |
| May | 47.8 | −546 ft | 59.6 | 240 ft |
| June | 56.7 | 49 ft | 68.6 | 825 ft |
| July | 59.8 | 254 ft | 70.1 | 922 ft |
| August | 56.1 | 10 ft | 65.9 | 651 ft |
| September | 46.7 | −620 ft | 55.7 | −17 ft |
| October | 33.7 | −1,515 ft | 41.2 | −995 ft |
| November | 17.9 | −2,643 ft | 24.4 | −2,173 ft |
| December | 11.9 | −3,083 ft | 19.0 | −2,563 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 PASW
DENSITY ALTITUDE
Field elevation 148 ft — the air behaves like 915 ft.
- PRESSURE ALT
- 149 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 Alaska fields
- PAUO — Willow
Willow · elev 215 ft
- PATK — Talkeetna
Talkeetna · elev 365 ft
- 6AK — Rainy Pass Lodge
Rainy Pass · elev 1,900 ft
- PAGQ — Big Lake
Big Lake · elev 162 ft
- Z40 — Goose Bay
Goose Bay · elev 78 ft
- PAWS — Wasilla
Wasilla · elev 354 ft
- PABV — Birchwood
Birchwood · elev 83 ft
- PALH — Lake Hood
Anchorage · elev 79 ft
Frequently asked questions
How high does density altitude get at PASW in summer?
On a typical July afternoon — around 70 °F at the nearest NOAA normals station — density altitude at Skwentna reaches roughly 922 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 PASW on an average day?
It swings with the seasons: from roughly −3,299 ft at the coldest month's average temperature to about 254 ft at the warmest month's — all from a constant field elevation of 148 ft. The month-by-month table above carries the full year.
What is the field elevation of Skwentna?
148 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PASW (ICAO) / SKW (FAA), in Skwentna, Alaska.