Paxton, Illinois · field elev 779 ft
Density Altitude at Paxton (1C1)
Paxton sits at 779 ft, and even a typical July afternoon (84 °F) only lifts density altitude to about 2,574 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 | 23.8 | −1,425 ft | 32.1 | −839 ft |
| February | 28.0 | −1,127 ft | 36.8 | −512 ft |
| March | 38.6 | −388 ft | 48.6 | 291 ft |
| April | 50.4 | 411 ft | 62.1 | 1,182 ft |
| May | 62.1 | 1,182 ft | 73.2 | 1,893 ft |
| June | 70.9 | 1,747 ft | 81.5 | 2,413 ft |
| July | 73.2 | 1,893 ft | 84.1 | 2,574 ft |
| August | 71.4 | 1,779 ft | 83.0 | 2,506 ft |
| September | 65.4 | 1,395 ft | 78.7 | 2,239 ft |
| October | 53.2 | 598 ft | 65.3 | 1,389 ft |
| November | 40.1 | −285 ft | 49.6 | 358 ft |
| December | 29.3 | −1,035 ft | 37.2 | −485 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 1C1
DENSITY ALTITUDE
Field elevation 779 ft — the air behaves like 2,568 ft.
- PRESSURE ALT
- 780 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 Illinois fields
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- KCMI — University Of Illinois/Willard
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- KDNV — Vermilion Regional
Danville · elev 697 ft
- KBMI — Central Il Regional/Bloomington-Normal
Bloomington/Normal · elev 871 ft
- KPNT — Pontiac Municipal
Pontiac · elev 666 ft
- KIKK — Greater Kankakee
Kankakee · elev 630 ft
- 3KK — Kankakee
Kankakee · elev 625 ft
Frequently asked questions
How high does density altitude get at 1C1 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Paxton reaches roughly 2,574 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 1C1 on an average day?
It swings with the seasons: from roughly −1,425 ft at the coldest month's average temperature to about 1,893 ft at the warmest month's — all from a constant field elevation of 779 ft. The month-by-month table above carries the full year.
What is the field elevation of Paxton?
779 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1C1 (FAA), in Paxton, Illinois.