Annapolis, Maryland · field elev 34 ft
Density Altitude at Lee (KANP)
Lee sits at 34 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 1,974 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 | 36.8 | −1,441 ft | 44.3 | −925 ft |
| February | 39.3 | −1,268 ft | 47.9 | −680 ft |
| March | 46.7 | −762 ft | 55.0 | −204 ft |
| April | 58.0 | −6 ft | 68.2 | 659 ft |
| May | 66.9 | 575 ft | 76.6 | 1,195 ft |
| June | 75.9 | 1,151 ft | 85.3 | 1,739 ft |
| July | 80.2 | 1,422 ft | 89.1 | 1,974 ft |
| August | 78.4 | 1,309 ft | 86.4 | 1,807 ft |
| September | 72.3 | 922 ft | 80.1 | 1,415 ft |
| October | 60.3 | 146 ft | 68.5 | 679 ft |
| November | 49.4 | −579 ft | 57.6 | −32 ft |
| December | 41.1 | −1,144 ft | 48.3 | −653 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 KANP
DENSITY ALTITUDE
Field elevation 34 ft — the air behaves like 1,968 ft.
- PRESSURE ALT
- 35 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
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Stevensville · elev 15 ft
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- KBWI — Baltimore/Washington International Thurgood Marshall
Baltimore · elev 143 ft
- KCGS — College Park
College Park · elev 49 ft
- W48 — Essex Skypark
Baltimore · elev 14 ft
- KVKX — Potomac Airfield
Friendly · elev 118 ft
Frequently asked questions
How high does density altitude get at KANP in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Lee reaches roughly 1,974 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 KANP on an average day?
It swings with the seasons: from roughly −1,441 ft at the coldest month's average temperature to about 1,422 ft at the warmest month's — all from a constant field elevation of 34 ft. The month-by-month table above carries the full year.
What is the field elevation of Lee?
34 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KANP (ICAO) / ANP (FAA), in Annapolis, Maryland.