Tipton, Iowa · field elev 840 ft
Density Altitude at Mathews Meml (8C4)
Mathews Meml sits at 840 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,624 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 | 20.3 | −1,599 ft | 28.7 | −1,001 ft |
| February | 24.6 | −1,291 ft | 33.1 | −693 ft |
| March | 37.2 | −409 ft | 46.8 | 245 ft |
| April | 49.5 | 427 ft | 60.7 | 1,166 ft |
| May | 61.2 | 1,198 ft | 71.9 | 1,886 ft |
| June | 71.2 | 1,841 ft | 81.5 | 2,488 ft |
| July | 73.8 | 2,006 ft | 83.7 | 2,624 ft |
| August | 71.6 | 1,867 ft | 82.1 | 2,525 ft |
| September | 64.8 | 1,432 ft | 76.8 | 2,195 ft |
| October | 52.2 | 607 ft | 63.9 | 1,373 ft |
| November | 38.5 | −319 ft | 47.8 | 313 ft |
| December | 26.3 | −1,171 ft | 34.0 | −630 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 8C4
DENSITY ALTITUDE
Field elevation 840 ft — the air behaves like 2,643 ft.
- PRESSURE ALT
- 841 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
- KIOW — Iowa City Municipal
Iowa City · elev 684 ft
- C17 — Marion
Marion · elev 861 ft
- KMUT — Muscatine Municipal
Muscatine · elev 547 ft
- KOQW — Maquoketa Municipal
Maquoketa · elev 774 ft
- KCID — The Eastern Iowa
Cedar Rapids · elev 869 ft
- KDVN — Davenport Municipal
Davenport · elev 751 ft
- KMXO — Monticello Regional
Monticello · elev 833 ft
- C11 — Amana
Amana · elev 712 ft
Frequently asked questions
How high does density altitude get at 8C4 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Mathews Meml reaches roughly 2,624 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 8C4 on an average day?
It swings with the seasons: from roughly −1,599 ft at the coldest month's average temperature to about 2,006 ft at the warmest month's — all from a constant field elevation of 840 ft. The month-by-month table above carries the full year.
What is the field elevation of Mathews Meml?
840 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 8C4 (FAA), in Tipton, Iowa.