Valparaiso, Indiana · field elev 770 ft
Density Altitude at Porter County Regional (KVPZ)
Porter County Regional sits at 770 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,619 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 | 26.2 | −1,265 ft | 33.9 | −724 ft |
| February | 29.8 | −1,011 ft | 37.9 | −448 ft |
| March | 39.8 | −317 ft | 49.1 | 313 ft |
| April | 50.9 | 433 ft | 62.1 | 1,171 ft |
| May | 61.7 | 1,145 ft | 73.0 | 1,870 ft |
| June | 71.4 | 1,768 ft | 82.2 | 2,446 ft |
| July | 74.6 | 1,971 ft | 85.0 | 2,619 ft |
| August | 72.8 | 1,857 ft | 83.3 | 2,514 ft |
| September | 66.2 | 1,436 ft | 77.6 | 2,159 ft |
| October | 54.6 | 679 ft | 65.1 | 1,365 ft |
| November | 42.3 | −146 ft | 50.5 | 407 ft |
| December | 31.6 | −885 ft | 38.8 | −386 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 KVPZ
DENSITY ALTITUDE
Field elevation 770 ft — the air behaves like 2,619 ft.
- PRESSURE ALT
- 771 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
- 3HO — Hobart Sky Ranch
Hobart · elev 630 ft
- KPPO — La Porte Municipal
La Porte · elev 812 ft
- KOXI — Starke County
Knox · elev 685 ft
- KMGC — Michigan City Municipal-Phillips Field
Michigan City · elev 655 ft
- 05C — Griffith-Merrillville
Griffith · elev 634 ft
- KGYY — Gary/Chicago International
Gary/Chicago · elev 597 ft
- C97 — Lowell
Lowell · elev 672 ft
- C98 — Lake Village
Lake Village · elev 644 ft
Frequently asked questions
How high does density altitude get at KVPZ in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Porter County Regional reaches roughly 2,619 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 KVPZ on an average day?
It swings with the seasons: from roughly −1,265 ft at the coldest month's average temperature to about 1,971 ft at the warmest month's — all from a constant field elevation of 770 ft. The month-by-month table above carries the full year.
What is the field elevation of Porter County Regional?
770 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KVPZ (ICAO) / VPZ (FAA), in Valparaiso, Indiana.