Groveland, California · field elev 2,933 ft
Density Altitude at Groveland/Yosemite (E45)
From a field elevation of 2,933 ft, a typical July afternoon at Groveland/Yosemite (91 °F) raises density altitude to about 5,624 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 42.2 | 2,531 ft | 53.4 | 3,270 ft |
| February | 43.5 | 2,618 ft | 55.3 | 3,393 ft |
| March | 47.5 | 2,883 ft | 60.1 | 3,702 ft |
| April | 51.4 | 3,139 ft | 64.8 | 4,002 ft |
| May | 58.6 | 3,606 ft | 73.2 | 4,529 ft |
| June | 67.0 | 4,141 ft | 83.2 | 5,143 ft ▲ |
| July | 73.7 | 4,560 ft | 91.2 | 5,624 ft ▲ |
| August | 72.8 | 4,504 ft | 90.7 | 5,594 ft ▲ |
| September | 67.3 | 4,160 ft | 84.7 | 5,234 ft ▲ |
| October | 57.7 | 3,548 ft | 73.5 | 4,547 ft |
| November | 47.6 | 2,890 ft | 60.1 | 3,702 ft |
| December | 41.4 | 2,477 ft | 52.0 | 3,179 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 E45
DENSITY ALTITUDE caution
Field elevation 2,933 ft — the air behaves like 5,612 ft.
- PRESSURE ALT
- 2,935 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
- O22 — Columbia
Columbia · elev 2,121 ft
- KMPI — Mariposa-Yosemite
Mariposa · elev 2,254 ft
- KCPU — Calaveras County/Maury Rasmussen Field
San Andreas · elev 1,328 ft
- O27 — Oakdale
Oakdale · elev 237 ft
- O15 — Turlock Municipal
Turlock · elev 161 ft
- KMER — Castle
Atwater · elev 190 ft
- KMCE — Merced Yosemite Regional
Merced · elev 155 ft
- KMOD — Modesto City-County-Harry Sham Field
Modesto · elev 99 ft
Frequently asked questions
How high does density altitude get at E45 in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Groveland/Yosemite reaches roughly 5,624 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 E45 on an average day?
It swings with the seasons: from roughly 2,477 ft at the coldest month's average temperature to about 4,560 ft at the warmest month's — all from a constant field elevation of 2,933 ft. The month-by-month table above carries the full year.
What is the field elevation of Groveland/Yosemite?
2,933 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is E45 (FAA), in Groveland, California.