Kasilof, Alaska · field elev 125 ft
Density Altitude at Kasilof (5KS)
Kasilof sits at 125 ft, and even a typical July afternoon (66 °F) only lifts density altitude to about 597 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 | 13.0 | −3,031 ft | 21.2 | −2,432 ft |
| February | 18.8 | −2,606 ft | 28.3 | −1,924 ft |
| March | 23.1 | −2,296 ft | 34.6 | −1,481 ft |
| April | 35.2 | −1,439 ft | 45.9 | −703 ft |
| May | 44.2 | −819 ft | 56.1 | −19 ft |
| June | 51.3 | −339 ft | 62.3 | 389 ft |
| July | 55.3 | −72 ft | 65.5 | 597 ft |
| August | 53.2 | −212 ft | 63.7 | 480 ft |
| September | 45.9 | −703 ft | 55.2 | −79 ft |
| October | 34.0 | −1,523 ft | 42.4 | −942 ft |
| November | 20.1 | −2,512 ft | 28.1 | −1,938 ft |
| December | 15.7 | −2,833 ft | 23.3 | −2,281 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 5KS
DENSITY ALTITUDE
Field elevation 125 ft — the air behaves like 629 ft.
- PRESSURE ALT
- 126 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
- PASX — Soldotna
Soldotna · elev 113 ft
- PAEN — Kenai Municipal
Kenai · elev 100 ft
- NIN — Ninilchik
Ninilchik · elev 276 ft
- PAHO — Homer
Homer · elev 84 ft
- JLA — Quartz Creek
Cooper Landing · elev 466 ft
- 4Z9 — Jakolof Bay
Jakolof Bay · elev 5 ft
- PASO — Seldovia
Seldovia · elev 29 ft
- 9Z9 — Lawing
Lawing · elev 484 ft
Frequently asked questions
How high does density altitude get at 5KS in summer?
On a typical July afternoon — around 66 °F at the nearest NOAA normals station — density altitude at Kasilof reaches roughly 597 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 5KS on an average day?
It swings with the seasons: from roughly −3,031 ft at the coldest month's average temperature to about −72 ft at the warmest month's — all from a constant field elevation of 125 ft. The month-by-month table above carries the full year.
What is the field elevation of Kasilof?
125 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 5KS (FAA), in Kasilof, Alaska.