Franklin, California · field elev 23 ft
Density Altitude at Franklin Field (F72)
Franklin Field sits at 23 ft, and even a typical July afternoon (93 °F) only lifts density altitude to about 2,174 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 | 47.6 | −714 ft | 56.0 | −152 ft |
| February | 51.4 | −458 ft | 61.3 | 198 ft |
| March | 55.4 | −191 ft | 66.3 | 523 ft |
| April | 59.5 | 79 ft | 72.1 | 896 ft |
| May | 66.1 | 510 ft | 80.3 | 1,415 ft |
| June | 72.2 | 902 ft | 87.9 | 1,887 ft |
| July | 75.9 | 1,137 ft | 92.6 | 2,174 ft |
| August | 75.3 | 1,099 ft | 91.9 | 2,132 ft |
| September | 72.5 | 921 ft | 88.5 | 1,923 ft |
| October | 64.5 | 406 ft | 78.8 | 1,320 ft |
| November | 53.9 | −291 ft | 65.0 | 439 ft |
| December | 47.3 | −735 ft | 56.0 | −152 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 F72
DENSITY ALTITUDE
Field elevation 23 ft — the air behaves like 2,199 ft.
- PRESSURE ALT
- 24 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
- 1O3 — Lodi
Lodi · elev 60 ft
- KSAC — Sacramento Exec
Sacramento · elev 23 ft
- O20 — Kingdon Airpark
Lodi · elev 18 ft
- L53 — Lodi Airpark
Lodi · elev 25 ft
- O88 — Rio Vista Municipal
Rio Vista · elev 23 ft
- KMHR — Sacramento Mather
Sacramento · elev 98 ft
- KRIU — Rancho Murieta
Rancho Murieta · elev 144 ft
- KEDU — University
Davis · elev 70 ft
Frequently asked questions
How high does density altitude get at F72 in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Franklin Field reaches roughly 2,174 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 F72 on an average day?
It swings with the seasons: from roughly −735 ft at the coldest month's average temperature to about 1,137 ft at the warmest month's — all from a constant field elevation of 23 ft. The month-by-month table above carries the full year.
What is the field elevation of Franklin Field?
23 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is F72 (FAA), in Franklin, California.