Glenwood Springs, Colorado · field elev 5,916 ft
Density Altitude at Kgws Sumers Airpark (KGWS)
Kgws Sumers Airpark is a genuine high-and-hot field: from 5,916 ft of elevation, a typical July afternoon (89 °F) pushes density altitude to about 9,078 ft — the airplane performs like it is 3,162 ft above the field before the wheels roll.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 24.3 | 5,024 ft | 36.2 | 5,823 ft ▲ |
| February | 30.3 | 5,430 ft | 41.6 | 6,178 ft ▲ |
| March | 39.5 | 6,040 ft | 53.0 | 6,911 ft ▲ |
| April | 46.0 | 6,463 ft | 60.0 | 7,352 ft ▲ |
| May | 55.1 | 7,044 ft | 70.6 | 8,005 ft ⚠ |
| June | 64.3 | 7,619 ft | 82.4 | 8,714 ft ⚠ |
| July | 71.0 | 8,029 ft | 88.6 | 9,078 ft ⚠ |
| August | 69.0 | 7,908 ft | 86.0 | 8,926 ft ⚠ |
| September | 61.0 | 7,414 ft | 78.2 | 8,464 ft ⚠ |
| October | 49.0 | 6,656 ft | 64.8 | 7,650 ft ▲ |
| November | 36.3 | 5,829 ft | 49.1 | 6,663 ft ▲ |
| December | 25.7 | 5,119 ft | 36.4 | 5,836 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 KGWS
DENSITY ALTITUDE high DA
Field elevation 5,916 ft — the air behaves like 9,102 ft.
- PRESSURE ALT
- 5,918 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 Colorado fields
- KRIL — Rifle Garfield County
Rifle · elev 5,537 ft
- KEGE — Eagle County Regional
Eagle · elev 6,547 ft
- KASE — Aspen-Pitkin County/Sardy Field
Aspen · elev 7,838 ft
- KEEO — Meeker Coulter Field
Meeker · elev 6,415 ft
- 7V2 — North Fork Valley
Paonia · elev 5,788 ft
- KLXV — Lake County
Leadville · elev 9,934 ft
- 99V — Crawford
Crawford · elev 6,470 ft
- 20V — Mc Elroy Airfield
Kremmling · elev 7,416 ft
Frequently asked questions
How high does density altitude get at KGWS in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Kgws Sumers Airpark reaches roughly 9,078 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 KGWS on an average day?
It swings with the seasons: from roughly 5,024 ft at the coldest month's average temperature to about 8,029 ft at the warmest month's — all from a constant field elevation of 5,916 ft. The month-by-month table above carries the full year.
What is the field elevation of Kgws Sumers Airpark?
5,916 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGWS (ICAO) / GWS (FAA), in Glenwood Springs, Colorado.