Winamac, Indiana · field elev 708 ft
Density Altitude at Arens Field (KRWN)
Arens Field sits at 708 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,451 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 | 24.1 | −1,492 ft | 32.5 | −899 ft |
| February | 27.3 | −1,265 ft | 36.3 | −635 ft |
| March | 37.6 | −546 ft | 47.8 | 149 ft |
| April | 49.5 | 263 ft | 60.7 | 1,003 ft |
| May | 60.8 | 1,010 ft | 71.8 | 1,717 ft |
| June | 70.1 | 1,609 ft | 80.7 | 2,277 ft |
| July | 73.0 | 1,794 ft | 83.5 | 2,451 ft |
| August | 71.3 | 1,686 ft | 81.9 | 2,352 ft |
| September | 64.8 | 1,269 ft | 76.6 | 2,021 ft |
| October | 52.9 | 490 ft | 64.2 | 1,230 ft |
| November | 40.1 | −374 ft | 49.1 | 236 ft |
| December | 29.5 | −1,110 ft | 37.2 | −573 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 KRWN
DENSITY ALTITUDE
Field elevation 708 ft — the air behaves like 2,482 ft.
- PRESSURE ALT
- 709 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 Indiana fields
- KOXI — Starke County
Knox · elev 685 ft
- KRCR — Fulton County
Rochester · elev 790 ft
- C65 — Plymouth Municipal
Plymouth · elev 800 ft
- KMCX — White County
Monticello · elev 679 ft
- C92 — Mentone
Mentone · elev 860 ft
- KGGP — Logansport/Cass County
Logansport · elev 738 ft
- KRZL — Jasper County
Rensselaer · elev 698 ft
- I76 — Peru Municipal
Peru · elev 779 ft
Frequently asked questions
How high does density altitude get at KRWN in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Arens Field reaches roughly 2,451 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 KRWN on an average day?
It swings with the seasons: from roughly −1,492 ft at the coldest month's average temperature to about 1,794 ft at the warmest month's — all from a constant field elevation of 708 ft. The month-by-month table above carries the full year.
What is the field elevation of Arens Field?
708 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRWN (ICAO) / RWN (FAA), in Winamac, Indiana.