Gustine, California · field elev 79 ft
Density Altitude at Gustine (3O1)
Gustine sits at 79 ft, and even a typical July afternoon (100 °F) only lifts density altitude to about 2,690 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 | 49.2 | −537 ft | 60.1 | 188 ft |
| February | 53.7 | −235 ft | 66.6 | 611 ft |
| March | 58.3 | 70 ft | 73.0 | 1,022 ft |
| April | 63.0 | 378 ft | 79.7 | 1,445 ft |
| May | 70.1 | 837 ft | 88.0 | 1,961 ft |
| June | 76.6 | 1,250 ft | 95.7 | 2,431 ft |
| July | 80.8 | 1,514 ft | 100.0 | 2,690 ft |
| August | 79.3 | 1,420 ft | 98.2 | 2,582 ft |
| September | 76.1 | 1,219 ft | 94.9 | 2,382 ft |
| October | 67.5 | 670 ft | 85.1 | 1,782 ft |
| November | 56.5 | −49 ft | 70.7 | 875 ft |
| December | 49.1 | −544 ft | 60.4 | 208 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 3O1
DENSITY ALTITUDE
Field elevation 79 ft — the air behaves like 2,690 ft.
- PRESSURE ALT
- 80 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
- KLSN — Los Banos Municipal
Los Banos · elev 121 ft
- O15 — Turlock Municipal
Turlock · elev 161 ft
- KMER — Castle
Atwater · elev 190 ft
- KMCE — Merced Yosemite Regional
Merced · elev 155 ft
- KMOD — Modesto City-County-Harry Sham Field
Modesto · elev 99 ft
- 1Q4 — New Jerusalem
Tracy · elev 62 ft
- 1C9 — Frazier Lake Airpark
Hollister · elev 152 ft
- KCVH — Hollister Municipal
Hollister · elev 231 ft
Frequently asked questions
How high does density altitude get at 3O1 in summer?
On a typical July afternoon — around 100 °F at the nearest NOAA normals station — density altitude at Gustine reaches roughly 2,690 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 3O1 on an average day?
It swings with the seasons: from roughly −544 ft at the coldest month's average temperature to about 1,514 ft at the warmest month's — all from a constant field elevation of 79 ft. The month-by-month table above carries the full year.
What is the field elevation of Gustine?
79 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3O1 (FAA), in Gustine, California.