Waterloo, Iowa · field elev 873 ft
Density Altitude at Waterloo Regional (KALO)
Waterloo Regional sits at 873 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,744 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 | 19.4 | −1,622 ft | 28.2 | −995 ft |
| February | 23.9 | −1,300 ft | 32.6 | −686 ft |
| March | 36.7 | −402 ft | 46.5 | 266 ft |
| April | 49.4 | 461 ft | 60.9 | 1,220 ft |
| May | 61.5 | 1,259 ft | 72.8 | 1,983 ft |
| June | 71.5 | 1,901 ft | 82.2 | 2,572 ft |
| July | 74.5 | 2,090 ft | 85.0 | 2,744 ft |
| August | 71.9 | 1,926 ft | 82.9 | 2,615 ft |
| September | 64.6 | 1,459 ft | 76.8 | 2,235 ft |
| October | 51.6 | 608 ft | 63.0 | 1,356 ft |
| November | 37.4 | −354 ft | 47.1 | 307 ft |
| December | 25.3 | −1,200 ft | 33.7 | −610 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 KALO
DENSITY ALTITUDE
Field elevation 873 ft — the air behaves like 2,744 ft.
- PRESSURE ALT
- 874 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 Iowa fields
- C25 — Waverly Municipal
Waverly · elev 992 ft
- KOLZ — Oelwein Municipal
Oelwein · elev 1,076 ft
- KIIB — James H Connell Field At Independence Municipal
Independence · elev 979 ft
- 8C6 — Traer Municipal
Traer · elev 892 ft
- K98 — Allison Municipal
Allison · elev 1,053 ft
- 6K7 — Grundy Center Municipal
Grundy Center · elev 1,075 ft
- KVTI — Vinton Veterans Meml Airpark
Vinton · elev 842 ft
- 4C7 — Ackley Municipal
Ackley · elev 1,070 ft
Frequently asked questions
How high does density altitude get at KALO in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Waterloo Regional reaches roughly 2,744 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 KALO on an average day?
It swings with the seasons: from roughly −1,622 ft at the coldest month's average temperature to about 2,090 ft at the warmest month's — all from a constant field elevation of 873 ft. The month-by-month table above carries the full year.
What is the field elevation of Waterloo Regional?
873 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KALO (ICAO) / ALO (FAA), in Waterloo, Iowa.