Lakeport, California · field elev 1,380 ft
Density Altitude at Lampson Field (1O2)
Lampson Field sits at 1,380 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 3,752 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 | 43.7 | 706 ft | 54.8 | 1,446 ft |
| February | 45.7 | 841 ft | 57.7 | 1,636 ft |
| March | 48.5 | 1,029 ft | 61.6 | 1,889 ft |
| April | 52.8 | 1,314 ft | 66.4 | 2,198 ft |
| May | 58.8 | 1,708 ft | 72.5 | 2,585 ft |
| June | 67.3 | 2,256 ft | 83.2 | 3,252 ft |
| July | 73.6 | 2,655 ft | 91.4 | 3,752 ft |
| August | 72.4 | 2,579 ft | 90.5 | 3,697 ft |
| September | 67.9 | 2,294 ft | 85.4 | 3,387 ft |
| October | 59.3 | 1,740 ft | 75.4 | 2,768 ft |
| November | 49.5 | 1,095 ft | 63.4 | 2,005 ft |
| December | 43.7 | 706 ft | 54.8 | 1,446 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 1O2
DENSITY ALTITUDE
Field elevation 1,380 ft — the air behaves like 3,727 ft.
- PRESSURE ALT
- 1,381 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
- O60 — Cloverdale Municipal
Cloverdale · elev 276 ft
- KUKI — Ukiah Municipal
Ukiah · elev 617 ft
- KHES — Healdsburg Municipal
Healdsburg · elev 280 ft
- D83 — Boonville
Boonville · elev 379 ft
- 1Q5 — Gravelly Valley
Upper Lake · elev 1,900 ft
- KSTS — Charles M Schulz/Sonoma County
Santa Rosa · elev 129 ft
- E55 — Ocean Ridge
Gualala · elev 934 ft
- 2O3 — Angwin-Parrett Field
Angwin · elev 1,875 ft
Frequently asked questions
How high does density altitude get at 1O2 in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Lampson Field reaches roughly 3,752 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 1O2 on an average day?
It swings with the seasons: from roughly 706 ft at the coldest month's average temperature to about 2,655 ft at the warmest month's — all from a constant field elevation of 1,380 ft. The month-by-month table above carries the full year.
What is the field elevation of Lampson Field?
1,380 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1O2 (FAA), in Lakeport, California.