Bagley, Minnesota · field elev 1,503 ft
Density Altitude at Bagley Municipal (7Y4)
Bagley Municipal sits at 1,503 ft, and even a typical July afternoon (79 °F) only lifts density altitude to about 3,130 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 | 6.3 | −1,787 ft | 16.9 | −1,011 ft |
| February | 10.6 | −1,469 ft | 22.8 | −588 ft |
| March | 24.0 | −503 ft | 35.9 | 328 ft |
| April | 38.5 | 506 ft | 51.0 | 1,347 ft |
| May | 52.2 | 1,426 ft | 65.0 | 2,259 ft |
| June | 62.4 | 2,092 ft | 74.3 | 2,849 ft |
| July | 66.9 | 2,381 ft | 78.8 | 3,130 ft |
| August | 65.1 | 2,266 ft | 77.4 | 3,043 ft |
| September | 56.2 | 1,690 ft | 68.1 | 2,457 ft |
| October | 42.3 | 764 ft | 52.1 | 1,420 ft |
| November | 26.7 | −312 ft | 34.8 | 252 ft |
| December | 13.7 | −1,243 ft | 22.2 | −631 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 7Y4
DENSITY ALTITUDE
Field elevation 1,503 ft — the air behaves like 3,142 ft.
- PRESSURE ALT
- 1,504 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
- KFSE — Fosston Municipal/Anderson Field
Fosston · elev 1,279 ft
- KBJI — Bemidji Regional
Bemidji · elev 1,391 ft
- 3N8 — Mahnomen County
Mahnomen · elev 1,246 ft
- Y49 — Walker Municipal
Walker · elev 1,348 ft
- D14 — Fertile Municipal
Fertile · elev 1,137 ft
- KPKD — Park Rapids Municipal/Konshok Field
Park Rapids · elev 1,445 ft
- D81 — Red Lake Falls Municipal
Red Lake Falls · elev 1,060 ft
- D00 — Norman County Ada/Twin Valley
Ada/Twin Valley · elev 954 ft
Frequently asked questions
How high does density altitude get at 7Y4 in summer?
On a typical July afternoon — around 79 °F at the nearest NOAA normals station — density altitude at Bagley Municipal reaches roughly 3,130 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 7Y4 on an average day?
It swings with the seasons: from roughly −1,787 ft at the coldest month's average temperature to about 2,381 ft at the warmest month's — all from a constant field elevation of 1,503 ft. The month-by-month table above carries the full year.
What is the field elevation of Bagley Municipal?
1,503 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 7Y4 (FAA), in Bagley, Minnesota.