Clinton, Iowa · field elev 708 ft
Density Altitude at Clinton Municipal (KCWI)
Clinton Municipal sits at 708 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,475 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 | 21.9 | −1,650 ft | 29.4 | −1,117 ft |
| February | 26.3 | −1,336 ft | 34.3 | −774 ft |
| March | 38.7 | −470 ft | 48.2 | 176 ft |
| April | 51.0 | 363 ft | 62.1 | 1,094 ft |
| May | 62.1 | 1,094 ft | 72.8 | 1,781 ft |
| June | 71.1 | 1,673 ft | 81.1 | 2,302 ft |
| July | 74.4 | 1,882 ft | 83.9 | 2,475 ft |
| August | 72.2 | 1,743 ft | 81.6 | 2,333 ft |
| September | 65.3 | 1,301 ft | 75.8 | 1,970 ft |
| October | 53.0 | 497 ft | 63.1 | 1,159 ft |
| November | 39.3 | −429 ft | 47.6 | 136 ft |
| December | 27.5 | −1,251 ft | 34.6 | −753 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 KCWI
DENSITY ALTITUDE
Field elevation 708 ft — the air behaves like 2,482 ft.
- PRESSURE ALT
- 709 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
- KDVN — Davenport Municipal
Davenport · elev 751 ft
- KOQW — Maquoketa Municipal
Maquoketa · elev 774 ft
- 8C4 — Mathews Meml
Tipton · elev 840 ft
- KDBQ — Dubuque Regional
Dubuque · elev 1,076 ft
- KMXO — Monticello Regional
Monticello · elev 833 ft
- KMUT — Muscatine Municipal
Muscatine · elev 547 ft
- C17 — Marion
Marion · elev 861 ft
- IA8 — Dyersville Area
Dyersville · elev 980 ft
Frequently asked questions
How high does density altitude get at KCWI in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Clinton Municipal reaches roughly 2,475 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 KCWI on an average day?
It swings with the seasons: from roughly −1,650 ft at the coldest month's average temperature to about 1,882 ft at the warmest month's — all from a constant field elevation of 708 ft. The month-by-month table above carries the full year.
What is the field elevation of Clinton Municipal?
708 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KCWI (ICAO) / CWI (FAA), in Clinton, Iowa.