Rushford, Minnesota · field elev 1,211 ft
Density Altitude at Rushford Municipal/Robert W Bunke Field (55Y)
Rushford Municipal/Robert W Bunke Field sits at 1,211 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,984 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 | 15.4 | −1,487 ft | 25.5 | −763 ft |
| February | 19.1 | −1,219 ft | 30.1 | −439 ft |
| March | 31.3 | −355 ft | 42.3 | 402 ft |
| April | 44.6 | 557 ft | 56.9 | 1,375 ft |
| May | 56.4 | 1,342 ft | 68.6 | 2,131 ft |
| June | 66.9 | 2,022 ft | 78.2 | 2,736 ft |
| July | 70.7 | 2,264 ft | 82.2 | 2,984 ft |
| August | 68.4 | 2,118 ft | 80.2 | 2,860 ft |
| September | 60.8 | 1,629 ft | 73.4 | 2,435 ft |
| October | 47.8 | 772 ft | 60.0 | 1,577 ft |
| November | 34.5 | −133 ft | 44.5 | 551 ft |
| December | 21.8 | −1,026 ft | 31.0 | −376 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 55Y
DENSITY ALTITUDE
Field elevation 1,211 ft — the air behaves like 2,972 ft.
- PRESSURE ALT
- 1,212 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
- KONA — Winona Municipal/Max Conrad Field
Winona · elev 656 ft
- KFKA — Fillmore County
Preston · elev 1,277 ft
- KCHU — Houston County
Caledonia · elev 1,179 ft
- KRST — Rochester International
Rochester · elev 1,317 ft
- KTOB — Dodge Center
Dodge Center · elev 1,304 ft
- KAUM — Austin Municipal
Austin · elev 1,234 ft
- KRGK — Red Wing Regional
Red Wing · elev 778 ft
- KOWA — Owatonna Degner Regional
Owatonna · elev 1,145 ft
Frequently asked questions
How high does density altitude get at 55Y in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Rushford Municipal/Robert W Bunke Field reaches roughly 2,984 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 55Y on an average day?
It swings with the seasons: from roughly −1,487 ft at the coldest month's average temperature to about 2,264 ft at the warmest month's — all from a constant field elevation of 1,211 ft. The month-by-month table above carries the full year.
What is the field elevation of Rushford Municipal/Robert W Bunke Field?
1,211 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 55Y (FAA), in Rushford, Minnesota.