De Witt, Arkansas · field elev 189 ft
Density Altitude at Dewitt Municipal/Whitcomb Field (5M1)
Dewitt Municipal/Whitcomb Field sits at 189 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,224 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 | 41.3 | −937 ft | 50.0 | −347 ft |
| February | 45.1 | −678 ft | 54.7 | −33 ft |
| March | 53.5 | −112 ft | 63.6 | 552 ft |
| April | 62.0 | 448 ft | 72.4 | 1,119 ft |
| May | 70.3 | 985 ft | 80.0 | 1,599 ft |
| June | 77.8 | 1,461 ft | 87.0 | 2,034 ft |
| July | 80.8 | 1,649 ft | 90.1 | 2,224 ft |
| August | 79.9 | 1,593 ft | 89.7 | 2,199 ft |
| September | 74.0 | 1,221 ft | 84.9 | 1,904 ft |
| October | 62.8 | 500 ft | 74.6 | 1,259 ft |
| November | 51.9 | −219 ft | 62.4 | 474 ft |
| December | 44.0 | −753 ft | 52.7 | −166 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 5M1
DENSITY ALTITUDE
Field elevation 189 ft — the air behaves like 2,218 ft.
- PRESSURE ALT
- 190 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 Arkansas fields
- M73 — Almyra Municipal
Almyra · elev 210 ft
- 2A6 — Holly Grove Municipal
Holly Grove · elev 176 ft
- 4M8 — Clarendon Municipal
Clarendon · elev 213 ft
- KSGT — Stuttgart Municipal Carl Humphrey Field
Stuttgart · elev 224 ft
- 0M0 — Billy Free Municipal
Dumas · elev 164 ft
- KPBF — Pinebluff Regional/Grider Field
Pine Bluff · elev 206 ft
- 99A — Smith'S International
Sherrill · elev 218 ft
- 6M0 — Hazen Municipal David Duch Field
Hazen · elev 230 ft
Frequently asked questions
How high does density altitude get at 5M1 in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Dewitt Municipal/Whitcomb Field reaches roughly 2,224 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 5M1 on an average day?
It swings with the seasons: from roughly −937 ft at the coldest month's average temperature to about 1,649 ft at the warmest month's — all from a constant field elevation of 189 ft. The month-by-month table above carries the full year.
What is the field elevation of Dewitt Municipal/Whitcomb Field?
189 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 5M1 (FAA), in De Witt, Arkansas.