Visalia, California · field elev 313 ft
Density Altitude at Sequoia Field (D86)
Sequoia Field sits at 313 ft, and even a typical July afternoon (94 °F) only lifts density altitude to about 2,600 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 | 46.9 | −402 ft | 55.3 | 161 ft |
| February | 51.4 | −99 ft | 61.3 | 555 ft |
| March | 56.2 | 220 ft | 66.9 | 919 ft |
| April | 60.6 | 510 ft | 72.7 | 1,290 ft |
| May | 68.0 | 990 ft | 80.6 | 1,788 ft |
| June | 75.1 | 1,442 ft | 88.8 | 2,295 ft |
| July | 80.2 | 1,763 ft | 93.8 | 2,600 ft |
| August | 79.0 | 1,688 ft | 93.2 | 2,564 ft |
| September | 74.2 | 1,385 ft | 88.3 | 2,265 ft |
| October | 65.1 | 802 ft | 77.8 | 1,613 ft |
| November | 53.9 | 68 ft | 64.4 | 757 ft |
| December | 46.6 | −422 ft | 55.4 | 167 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 D86
DENSITY ALTITUDE
Field elevation 313 ft — the air behaves like 2,612 ft.
- PRESSURE ALT
- 314 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
- KVIS — Visalia Municipal
Visalia · elev 293 ft
- O42 — Woodlake
Woodlake · elev 425 ft
- O32 — Reedley Municipal
Reedley · elev 386 ft
- KHJO — Hanford Municipal
Hanford · elev 240 ft
- KTLR — Mefford Field
Tulare · elev 265 ft
- 0Q4 — Selma
Selma · elev 305 ft
- 1Q1 — Kingtech Field
Strathmore · elev 426 ft
- KFAT — Fresno Yosemite International
Fresno · elev 336 ft
Frequently asked questions
How high does density altitude get at D86 in summer?
On a typical July afternoon — around 94 °F at the nearest NOAA normals station — density altitude at Sequoia Field reaches roughly 2,600 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 D86 on an average day?
It swings with the seasons: from roughly −422 ft at the coldest month's average temperature to about 1,763 ft at the warmest month's — all from a constant field elevation of 313 ft. The month-by-month table above carries the full year.
What is the field elevation of Sequoia Field?
313 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is D86 (FAA), in Visalia, California.