Rush City, Minnesota · field elev 926 ft
Density Altitude at Rush City Regional (KROS)
Rush City Regional sits at 926 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,649 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 | 11.7 | −2,116 ft | 22.2 | −1,355 ft |
| February | 16.6 | −1,758 ft | 28.2 | −929 ft |
| March | 29.5 | −837 ft | 41.1 | −34 ft |
| April | 43.1 | 102 ft | 55.5 | 931 ft |
| May | 56.3 | 984 ft | 69.1 | 1,813 ft |
| June | 65.8 | 1,602 ft | 78.1 | 2,381 ft |
| July | 70.2 | 1,883 ft | 82.4 | 2,649 ft |
| August | 68.1 | 1,749 ft | 80.4 | 2,525 ft |
| September | 59.8 | 1,213 ft | 72.3 | 2,016 ft |
| October | 46.3 | 318 ft | 57.5 | 1,063 ft |
| November | 31.5 | −697 ft | 40.7 | −61 ft |
| December | 18.4 | −1,628 ft | 27.2 | −999 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 KROS
DENSITY ALTITUDE
Field elevation 926 ft — the air behaves like 2,624 ft.
- PRESSURE ALT
- 927 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
- KCBG — Cambridge Municipal
Cambridge · elev 945 ft
- KJMR — Mora Municipal
Mora · elev 1,033 ft
- 04W — Field Of Dreams
Hinckley · elev 1,021 ft
- 25D — Forest Lake
Forest Lake · elev 930 ft
- KPNM — Princeton Municipal
Princeton · elev 980 ft
- 18Y — Milaca Municipal
Milaca · elev 1,100 ft
- KANE — Anoka County/Blaine (Janes Field)
Minneapolis · elev 912 ft
- KMIC — Crystal
Minneapolis · elev 869 ft
Frequently asked questions
How high does density altitude get at KROS in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Rush City Regional reaches roughly 2,649 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 KROS on an average day?
It swings with the seasons: from roughly −2,116 ft at the coldest month's average temperature to about 1,883 ft at the warmest month's — all from a constant field elevation of 926 ft. The month-by-month table above carries the full year.
What is the field elevation of Rush City Regional?
926 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KROS (ICAO) / ROS (FAA), in Rush City, Minnesota.