Whitewater, Wisconsin · field elev 821 ft
Density Altitude at Gutzmer'S Twin Oaks (5Y3)
Gutzmer'S Twin Oaks sits at 821 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,489 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 | 19.5 | −1,680 ft | 27.4 | −1,116 ft |
| February | 23.0 | −1,429 ft | 31.3 | −842 ft |
| March | 34.1 | −647 ft | 43.4 | −8 ft |
| April | 45.9 | 161 ft | 56.5 | 867 ft |
| May | 57.6 | 940 ft | 68.6 | 1,652 ft |
| June | 67.7 | 1,595 ft | 78.4 | 2,272 ft |
| July | 71.4 | 1,831 ft | 81.9 | 2,489 ft |
| August | 69.4 | 1,703 ft | 80.2 | 2,384 ft |
| September | 62.0 | 1,227 ft | 73.6 | 1,970 ft |
| October | 50.1 | 443 ft | 60.6 | 1,136 ft |
| November | 37.2 | −432 ft | 45.6 | 141 ft |
| December | 25.6 | −1,244 ft | 33.0 | −723 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 5Y3
DENSITY ALTITUDE
Field elevation 821 ft — the air behaves like 2,496 ft.
- PRESSURE ALT
- 822 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 Wisconsin fields
- 61C — Fort Atkinson Municipal
Fort Atkinson · elev 800 ft
- 88C — Palmyra Municipal
Palmyra · elev 851 ft
- W11 — Lake Country
Sullivan · elev 843 ft
- 58C — Jana
Edgerton · elev 843 ft
- C59 — Lake Lawn
Delavan · elev 981 ft
- 57C — East Troy Municipal
East Troy · elev 860 ft
- KJVL — Southern Wisconsin Regional
Janesville · elev 808 ft
- KRYV — Watertown Municipal
Watertown · elev 833 ft
Frequently asked questions
How high does density altitude get at 5Y3 in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Gutzmer'S Twin Oaks reaches roughly 2,489 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 5Y3 on an average day?
It swings with the seasons: from roughly −1,680 ft at the coldest month's average temperature to about 1,831 ft at the warmest month's — all from a constant field elevation of 821 ft. The month-by-month table above carries the full year.
What is the field elevation of Gutzmer'S Twin Oaks?
821 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 5Y3 (FAA), in Whitewater, Wisconsin.