Orr, Minnesota · field elev 1,313 ft
Density Altitude at Orr Regional (KORB)
Orr Regional sits at 1,313 ft, and even a typical July afternoon (75 °F) only lifts density altitude to about 2,679 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 | 3.5 | −2,236 ft | 14.9 | −1,395 ft |
| February | 7.4 | −1,945 ft | 20.9 | −962 ft |
| March | 21.1 | −948 ft | 33.8 | −54 ft |
| April | 35.5 | 63 ft | 48.0 | 912 ft |
| May | 48.2 | 926 ft | 61.2 | 1,781 ft |
| June | 58.3 | 1,592 ft | 70.9 | 2,402 ft |
| July | 63.0 | 1,897 ft | 75.3 | 2,679 ft |
| August | 61.0 | 1,768 ft | 74.0 | 2,598 ft |
| September | 52.9 | 1,238 ft | 64.3 | 1,981 ft |
| October | 40.1 | 379 ft | 49.5 | 1,012 ft |
| November | 25.4 | −642 ft | 33.4 | −82 ft |
| December | 11.4 | −1,650 ft | 20.7 | −976 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 KORB
DENSITY ALTITUDE
Field elevation 1,313 ft — the air behaves like 2,661 ft.
- PRESSURE ALT
- 1,314 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
- KCQM — Cook Municipal
Cook · elev 1,329 ft
- 12D — Tower Municipal
Tower · elev 1,370 ft
- KFOZ — Bigfork Municipal
Bigfork · elev 1,351 ft
- 13Y — Littlefork Municipal/Hanover
Littlefork · elev 1,145 ft
- KHIB — Range Regional
Hibbing · elev 1,354 ft
- 7Y9 — Big Falls Municipal
Big Falls · elev 1,233 ft
- KEVM — Eveleth/Virginia Municipal
Eveleth · elev 1,376 ft
- KINL — Falls International/Einarson Field
International Falls · elev 1,184 ft
Frequently asked questions
How high does density altitude get at KORB in summer?
On a typical July afternoon — around 75 °F at the nearest NOAA normals station — density altitude at Orr Regional reaches roughly 2,679 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 KORB on an average day?
It swings with the seasons: from roughly −2,236 ft at the coldest month's average temperature to about 1,897 ft at the warmest month's — all from a constant field elevation of 1,313 ft. The month-by-month table above carries the full year.
What is the field elevation of Orr Regional?
1,313 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KORB (ICAO) / ORB (FAA), in Orr, Minnesota.