Spirit Lake, Iowa · field elev 1,434 ft
Density Altitude at Spirit Lake Municipal (0F3)
Spirit Lake Municipal sits at 1,434 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 3,293 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 | 15.6 | −1,192 ft | 24.0 | −590 ft |
| February | 19.6 | −903 ft | 28.3 | −286 ft |
| March | 32.4 | −0 ft | 41.6 | 631 ft |
| April | 45.5 | 895 ft | 55.9 | 1,585 ft |
| May | 57.9 | 1,716 ft | 68.2 | 2,379 ft |
| June | 68.7 | 2,411 ft | 78.9 | 3,052 ft |
| July | 72.7 | 2,664 ft | 82.8 | 3,293 ft |
| August | 70.1 | 2,500 ft | 80.1 | 3,126 ft |
| September | 62.6 | 2,020 ft | 73.1 | 2,689 ft |
| October | 48.8 | 1,115 ft | 59.0 | 1,787 ft |
| November | 33.6 | 83 ft | 42.3 | 679 ft |
| December | 20.8 | −817 ft | 28.6 | −265 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 0F3
DENSITY ALTITUDE
Field elevation 1,434 ft — the air behaves like 3,305 ft.
- PRESSURE ALT
- 1,435 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 Iowa fields
- 4D8 — Fuller
Milford · elev 1,439 ft
- KSPW — Spencer Municipal
Spencer · elev 1,339 ft
- KEST — Estherville Municipal
Estherville · elev 1,319 ft
- KEGQ — Emmetsburg Municipal
Emmetsburg · elev 1,206 ft
- 8Y8 — Peltz Field
Ringsted · elev 1,280 ft
- KISB — Sibley Municipal
Sibley · elev 1,538 ft
- KSHL — Sheldon Regional
Sheldon · elev 1,419 ft
- 1Y9 — Paullina Municipal
Paullina · elev 1,385 ft
Frequently asked questions
How high does density altitude get at 0F3 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Spirit Lake Municipal reaches roughly 3,293 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 0F3 on an average day?
It swings with the seasons: from roughly −1,192 ft at the coldest month's average temperature to about 2,664 ft at the warmest month's — all from a constant field elevation of 1,434 ft. The month-by-month table above carries the full year.
What is the field elevation of Spirit Lake Municipal?
1,434 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 0F3 (FAA), in Spirit Lake, Iowa.