Princeton, Minnesota · field elev 980 ft
Density Altitude at Princeton Municipal (KPNM)
Princeton Municipal sits at 980 ft, and even a typical July afternoon (81 °F) only lifts density altitude to about 2,622 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 | 13.0 | −1,953 ft | 22.1 | −1,294 ft |
| February | 17.7 | −1,611 ft | 27.4 | −917 ft |
| March | 30.4 | −707 ft | 40.2 | −28 ft |
| April | 44.3 | 250 ft | 55.6 | 1,005 ft |
| May | 57.1 | 1,103 ft | 68.8 | 1,860 ft |
| June | 65.9 | 1,675 ft | 76.9 | 2,372 ft |
| July | 70.0 | 1,937 ft | 80.9 | 2,622 ft |
| August | 67.9 | 1,803 ft | 79.1 | 2,510 ft |
| September | 60.2 | 1,306 ft | 71.6 | 2,038 ft |
| October | 46.7 | 412 ft | 57.2 | 1,110 ft |
| November | 31.9 | −602 ft | 40.1 | −35 ft |
| December | 18.9 | −1,524 ft | 26.7 | −967 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 KPNM
DENSITY ALTITUDE
Field elevation 980 ft — the air behaves like 2,628 ft.
- PRESSURE ALT
- 981 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 Minnesota fields
- 18Y — Milaca Municipal
Milaca · elev 1,100 ft
- KCBG — Cambridge Municipal
Cambridge · elev 945 ft
- 8Y6 — Leaders Clear Lake
Clear Lake · elev 990 ft
- KSTC — St Cloud Sky Central
St Cloud · elev 1,031 ft
- KJMR — Mora Municipal
Mora · elev 1,033 ft
- KMGG — Maple Lake Municipal-Bill Mavencamp Sr Field
Maple Lake · elev 1,028 ft
- KCFE — Buffalo Municipal
Buffalo · elev 968 ft
- KROS — Rush City Regional
Rush City · elev 926 ft
Frequently asked questions
How high does density altitude get at KPNM in summer?
On a typical July afternoon — around 81 °F at the nearest NOAA normals station — density altitude at Princeton Municipal reaches roughly 2,622 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 KPNM on an average day?
It swings with the seasons: from roughly −1,953 ft at the coldest month's average temperature to about 1,937 ft at the warmest month's — all from a constant field elevation of 980 ft. The month-by-month table above carries the full year.
What is the field elevation of Princeton Municipal?
980 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KPNM (ICAO) / PNM (FAA), in Princeton, Minnesota.