Riverton, Wyoming · field elev 5,516 ft
Density Altitude at Central Wyoming Regional (KRIW)
Central Wyoming Regional is a genuine high-and-hot field: from 5,516 ft of elevation, a typical July afternoon (88 °F) pushes density altitude to about 8,566 ft — the airplane performs like it is 3,050 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 | 19.2 | 4,176 ft | 30.6 | 4,954 ft |
| February | 23.7 | 4,486 ft | 35.5 | 5,282 ft ▲ |
| March | 35.6 | 5,288 ft | 48.5 | 6,132 ft ▲ |
| April | 43.5 | 5,808 ft | 56.8 | 6,661 ft ▲ |
| May | 53.2 | 6,433 ft | 66.8 | 7,285 ft ▲ |
| June | 63.4 | 7,075 ft | 78.7 | 8,008 ft ⚠ |
| July | 71.9 | 7,598 ft | 88.1 | 8,566 ft ⚠ |
| August | 69.6 | 7,457 ft | 85.5 | 8,413 ft ⚠ |
| September | 59.2 | 6,812 ft | 74.0 | 7,725 ft ▲ |
| October | 44.7 | 5,887 ft | 58.0 | 6,737 ft ▲ |
| November | 30.8 | 4,967 ft | 42.6 | 5,750 ft ▲ |
| December | 19.6 | 4,203 ft | 30.8 | 4,967 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 KRIW
DENSITY ALTITUDE high DA
Field elevation 5,516 ft — the air behaves like 8,560 ft.
- PRESSURE ALT
- 5,518 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 Wyoming fields
- 49U — Shoshoni Municipal
Shoshoni · elev 4,818 ft
- KLND — Hunt Field
Lander · elev 5,589 ft
- KHSG — Hot Springs County
Thermopolis · elev 4,892 ft
- KWRL — Worland Municipal
Worland · elev 4,252 ft
- KDUB — Dubois Municipal
Dubois · elev 7,299 ft
- KPNA — Ralph Wenz Field
Pinedale · elev 7,096 ft
- KBPI — Miley Meml Field
Big Piney · elev 6,994 ft
- KCPR — Casper/Natrona County International
Casper · elev 5,344 ft
Frequently asked questions
How high does density altitude get at KRIW in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Central Wyoming Regional reaches roughly 8,566 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 KRIW on an average day?
It swings with the seasons: from roughly 4,176 ft at the coldest month's average temperature to about 7,598 ft at the warmest month's — all from a constant field elevation of 5,516 ft. The month-by-month table above carries the full year.
What is the field elevation of Central Wyoming Regional?
5,516 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRIW (ICAO) / RIW (FAA), in Riverton, Wyoming.