St George, Alaska · field elev 128 ft
Density Altitude at St George (PAPB)
St George sits at 128 ft, and even its warmest typical afternoon (August, 52 °F) leaves density altitude around −261 ft — below the field elevation itself. Cold, dense air is the norm here; watch for the opposite altimetry problem on cold days instead.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 26.5 | −2,048 ft | 30.3 | −1,779 ft |
| February | 27.7 | −1,963 ft | 31.5 | −1,694 ft |
| March | 27.3 | −1,992 ft | 31.4 | −1,701 ft |
| April | 31.5 | −1,694 ft | 35.4 | −1,421 ft |
| May | 37.6 | −1,269 ft | 41.7 | −986 ft |
| June | 43.3 | −876 ft | 47.2 | −611 ft |
| July | 47.8 | −570 ft | 51.2 | −342 ft |
| August | 49.3 | −469 ft | 52.4 | −261 ft |
| September | 46.0 | −692 ft | 49.6 | −449 ft |
| October | 39.5 | −1,137 ft | 43.3 | −876 ft |
| November | 34.1 | −1,512 ft | 37.9 | −1,248 ft |
| December | 29.8 | −1,814 ft | 33.7 | −1,540 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 PAPB
DENSITY ALTITUDE
Field elevation 128 ft — the air behaves like −288 ft.
- PRESSURE ALT
- 129 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
- PASN — St Paul Island
St Paul Island · elev 66 ft
- PADU — Unalaska
Unalaska · elev 23 ft
- PAUT — Akutan
Akutan · elev 129 ft
- PAKO — Nikolski As
Nikolski · elev 77 ft
- PAKF — False Pass
False Pass · elev 18 ft
- PACD — Cold Bay
Cold Bay · elev 100 ft
- PAMY — Mekoryuk
Mekoryuk · elev 53 ft
- PAVC — King Cove
King Cove · elev 149 ft
Frequently asked questions
How high does density altitude get at PAPB in summer?
On a typical August afternoon — around 52 °F at the nearest NOAA normals station — density altitude at St George reaches roughly −261 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 PAPB on an average day?
It swings with the seasons: from roughly −2,048 ft at the coldest month's average temperature to about −469 ft at the warmest month's — all from a constant field elevation of 128 ft. The month-by-month table above carries the full year.
What is the field elevation of St George?
128 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PAPB (ICAO) / PBV (FAA), in St George, Alaska.