Porterville, California · field elev 443 ft
Density Altitude at Porterville Municipal (KPTV)
Porterville Municipal sits at 443 ft, and even a typical July afternoon (98 °F) only lifts density altitude to about 3,035 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 | 49.4 | −72 ft | 59.1 | 572 ft |
| February | 53.9 | 228 ft | 64.6 | 930 ft |
| March | 58.5 | 532 ft | 70.5 | 1,309 ft |
| April | 62.9 | 820 ft | 76.0 | 1,658 ft |
| May | 70.2 | 1,290 ft | 84.1 | 2,164 ft |
| June | 77.6 | 1,759 ft | 92.7 | 2,691 ft |
| July | 83.4 | 2,121 ft | 98.4 | 3,035 ft |
| August | 81.9 | 2,028 ft | 97.1 | 2,957 ft |
| September | 77.3 | 1,740 ft | 92.3 | 2,667 ft |
| October | 67.7 | 1,130 ft | 82.0 | 2,034 ft |
| November | 56.3 | 387 ft | 68.4 | 1,175 ft |
| December | 49.0 | −99 ft | 59.2 | 578 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 KPTV
DENSITY ALTITUDE
Field elevation 443 ft — the air behaves like 3,011 ft.
- PRESSURE ALT
- 444 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 California fields
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- KVIS — Visalia Municipal
Visalia · elev 293 ft
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- D86 — Sequoia Field
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- L19 — Wasco-Kern County
Wasco · elev 312 ft
Frequently asked questions
How high does density altitude get at KPTV in summer?
On a typical July afternoon — around 98 °F at the nearest NOAA normals station — density altitude at Porterville Municipal reaches roughly 3,035 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 KPTV on an average day?
It swings with the seasons: from roughly −99 ft at the coldest month's average temperature to about 2,121 ft at the warmest month's — all from a constant field elevation of 443 ft. The month-by-month table above carries the full year.
What is the field elevation of Porterville Municipal?
443 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KPTV (ICAO) / PTV (FAA), in Porterville, California.