Cedar Rapids, Iowa · field elev 869 ft
Density Altitude at The Eastern Iowa (KCID)
The Eastern Iowa sits at 869 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,604 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 | 19.6 | −1,613 ft | 27.9 | −1,021 ft |
| February | 24.1 | −1,291 ft | 32.6 | −691 ft |
| March | 36.5 | −421 ft | 46.3 | 248 ft |
| April | 48.9 | 422 ft | 60.1 | 1,162 ft |
| May | 60.3 | 1,176 ft | 71.1 | 1,870 ft |
| June | 69.9 | 1,794 ft | 80.1 | 2,436 ft |
| July | 72.8 | 1,978 ft | 82.8 | 2,604 ft |
| August | 70.8 | 1,851 ft | 81.2 | 2,505 ft |
| September | 63.3 | 1,370 ft | 74.7 | 2,098 ft |
| October | 50.7 | 543 ft | 61.5 | 1,254 ft |
| November | 37.0 | −386 ft | 46.2 | 241 ft |
| December | 25.2 | −1,212 ft | 33.3 | −643 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 KCID
DENSITY ALTITUDE
Field elevation 869 ft — the air behaves like 2,616 ft.
- PRESSURE ALT
- 870 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
- C11 — Amana
Amana · elev 712 ft
- C17 — Marion
Marion · elev 861 ft
- KIOW — Iowa City Municipal
Iowa City · elev 684 ft
- KVTI — Vinton Veterans Meml Airpark
Vinton · elev 842 ft
- KTZT — Belle Plaine Municipal
Belle Plaine · elev 771 ft
- 8C4 — Mathews Meml
Tipton · elev 840 ft
- KMXO — Monticello Regional
Monticello · elev 833 ft
- KIIB — James H Connell Field At Independence Municipal
Independence · elev 979 ft
Frequently asked questions
How high does density altitude get at KCID in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at The Eastern Iowa reaches roughly 2,604 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 KCID on an average day?
It swings with the seasons: from roughly −1,613 ft at the coldest month's average temperature to about 1,978 ft at the warmest month's — all from a constant field elevation of 869 ft. The month-by-month table above carries the full year.
What is the field elevation of The Eastern Iowa?
869 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KCID (ICAO) / CID (FAA), in Cedar Rapids, Iowa.