Riverside, California · field elev 1,536 ft
Density Altitude at March Arb (KRIV)
March Arb sits at 1,536 ft, and even a typical August afternoon (96 °F) only lifts density altitude to about 4,229 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 | 53.8 | 1,573 ft | 66.6 | 2,402 ft |
| February | 54.8 | 1,638 ft | 67.4 | 2,453 ft |
| March | 57.7 | 1,828 ft | 70.9 | 2,676 ft |
| April | 61.7 | 2,088 ft | 75.6 | 2,971 ft |
| May | 66.4 | 2,390 ft | 80.3 | 3,263 ft |
| June | 72.4 | 2,770 ft | 88.5 | 3,766 ft |
| July | 78.9 | 3,176 ft | 95.4 | 4,181 ft |
| August | 79.6 | 3,220 ft | 96.2 | 4,229 ft |
| September | 76.0 | 2,996 ft | 92.3 | 3,995 ft |
| October | 67.9 | 2,485 ft | 82.9 | 3,423 ft |
| November | 60.1 | 1,984 ft | 75.0 | 2,933 ft |
| December | 53.3 | 1,540 ft | 66.5 | 2,396 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 KRIV
DENSITY ALTITUDE
Field elevation 1,536 ft — the air behaves like 4,217 ft.
- PRESSURE ALT
- 1,537 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 California fields
- L65 — Perris Valley
Perris · elev 1,413 ft
- KRIR — Flabob
Riverside/Rubidoux/ · elev 767 ft
- KRAL — Riverside
Riverside · elev 819 ft
- KSBD — San Bernardino International
San Bernardino · elev 1,159 ft
- KREI — Redlands Municipal
Redlands · elev 1,574 ft
- KHMT — Hemet-Ryan
Hemet · elev 1,515 ft
- KAJO — Corona Municipal
Corona · elev 533 ft
- F70 — French Valley
Murrieta/Temecula · elev 1,350 ft
Frequently asked questions
How high does density altitude get at KRIV in summer?
On a typical August afternoon — around 96 °F at the nearest NOAA normals station — density altitude at March Arb reaches roughly 4,229 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 KRIV on an average day?
It swings with the seasons: from roughly 1,540 ft at the coldest month's average temperature to about 3,220 ft at the warmest month's — all from a constant field elevation of 1,536 ft. The month-by-month table above carries the full year.
What is the field elevation of March Arb?
1,536 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRIV (ICAO) / RIV (FAA), in Riverside, California.