Red Lake Falls, Minnesota · field elev 1,060 ft
Density Altitude at Red Lake Falls Municipal (D81)
Red Lake Falls Municipal sits at 1,060 ft, and even a typical July afternoon (79 °F) only lifts density altitude to about 2,595 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 | 6.0 | −2,369 ft | 15.0 | −1,706 ft |
| February | 10.0 | −2,072 ft | 19.8 | −1,359 ft |
| March | 24.4 | −1,030 ft | 33.7 | −377 ft |
| April | 40.6 | 98 ft | 51.2 | 812 ft |
| May | 54.3 | 1,018 ft | 65.6 | 1,754 ft |
| June | 64.6 | 1,689 ft | 74.6 | 2,326 ft |
| July | 68.7 | 1,952 ft | 78.9 | 2,595 ft |
| August | 67.0 | 1,843 ft | 78.2 | 2,551 ft |
| September | 57.9 | 1,254 ft | 68.9 | 1,965 ft |
| October | 43.5 | 296 ft | 53.2 | 945 ft |
| November | 27.2 | −831 ft | 35.0 | −286 ft |
| December | 13.5 | −1,815 ft | 21.3 | −1,251 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 D81
DENSITY ALTITUDE
Field elevation 1,060 ft — the air behaves like 2,601 ft.
- PRESSURE ALT
- 1,061 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 Minnesota fields
- KCKN — Crookston Municipal/Kirkwood Field
Crookston · elev 897 ft
- KTVF — Thief River Falls Regional
Thief River Falls · elev 1,119 ft
- D14 — Fertile Municipal
Fertile · elev 1,137 ft
- KFSE — Fosston Municipal/Anderson Field
Fosston · elev 1,279 ft
- D37 — Warren Municipal
Warren · elev 888 ft
- D00 — Norman County Ada/Twin Valley
Ada/Twin Valley · elev 954 ft
- 3N8 — Mahnomen County
Mahnomen · elev 1,246 ft
- 3G2 — Grygla Municipal - Mel Wilkens Field
Grygla · elev 1,177 ft
Frequently asked questions
How high does density altitude get at D81 in summer?
On a typical July afternoon — around 79 °F at the nearest NOAA normals station — density altitude at Red Lake Falls Municipal reaches roughly 2,595 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 D81 on an average day?
It swings with the seasons: from roughly −2,369 ft at the coldest month's average temperature to about 1,952 ft at the warmest month's — all from a constant field elevation of 1,060 ft. The month-by-month table above carries the full year.
What is the field elevation of Red Lake Falls Municipal?
1,060 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is D81 (FAA), in Red Lake Falls, Minnesota.