# Alta Ski Area snow history, season 2026-27

Canonical page: https://www.peakcam.io/resorts/alta/history  ·  Resort: https://www.peakcam.io/resorts/alta  ·  JSON: https://www.peakcam.io/api/v1/resorts/alta/history

Through Oct 18, the Alta Ski Area SNOTEL station (Atwater) has measured 6 in. of snow since Oct 1, 95% of the 30-winter normal to date, 0 powder days (8 in. or more); a year ago it had 15 in.

Source: NRCS SNOTEL station Atwater, 8,750 ft (measured, quality-controlled by PeakCam, synced every 6 h). Daily new snow = positive change in station depth, a floor on what fell.

## This season to date

- Snow since 2026-10-01: 6 in (18 days measured, 2 snow days, 0 powder days at ≥ 8 in)
- Base now: 0 in; deepest 6 in on 2026-10-13
- Percent of normal to date: 95% of the 4-winter mean (6.3 in); 95% of the last 4 winters (6.3 in)
- Same day last season (2025-26): 15 in, 0 powder days, base 0 in; this season -9 in
- Trend: falling (last 7 days 0 in, the 7 before 6 in)

## Season curve vs normal

| Date | Day | Measured so far | 30-winter mean | p25–p75 | Last 10 winters |
| --- | --- | --- | --- | --- | --- |
| 2026-10-01 | 1 | 0 in | 0 in | 0 in – 0 in | 0 in |
| 2026-10-20 | 20 | 6 in | 6.3 in | 1.5 in – 9.8 in | 6.3 in |

Full daily curve (20 points) and the band for days 1–273: https://www.peakcam.io/api/v1/resorts/alta/history

## Past seasons (5)

| Season | Snowfall | % of normal | Snow days | Powder days | Biggest storm | Deepest base | ENSO |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2025-26 | 213 in | 63% | 43 | 11 | 32 in (2026-02-16 to 2026-02-18) | 85 in (2026-03-06) | Neutral (ONI -0.39) |
| 2024-25 | 336 in | 100% | 56 | 19 | 30 in (2024-12-25 to 2024-12-30) | 145 in (2025-03-18) | Neutral (ONI -0.46) |
| 2023-24 | 350 in | 104% | 62 | 20 | 27 in (2024-05-05 to 2024-05-07) | 122 in (2024-04-06) | El Niño (ONI +1.84) |
| 2022-23 | 448 in | 133% | 71 | 25 | 46 in (2023-03-20 to 2023-03-27) | 229 in (2023-04-05) | La Niña (ONI -0.55) |
| 2021-22 | 0 in | 0% | 0 | 0 | – | – | La Niña (ONI -0.76) |

Weekly cumulative totals per season are in the JSON (`pastSeasons[].weeklyCumulativeIn`).

## Monthly climatology

| Month | Avg snowfall (30 winters) | Last 10 winters | Snow days | Avg depth | Biggest storm | Winters |
| --- | --- | --- | --- | --- | --- | --- |
| Oct | 15.5 in | 15.5 in (100%) | 3.5 | 2 in | 14 in (2022-10-22) | 4 |
| Nov | 36 in | 36 in (100%) | 6 | 15.3 in | 23 in (2022-11-08) | 4 |
| Dec | 51 in | 51 in (100%) | 9.3 | 37.7 in | 33 in (2022-12-11) | 4 |
| Jan | 59.8 in | 59.8 in (100%) | 9.8 | 73.8 in | 22 in (2026-01-04) | 4 |
| Feb | 57.3 in | 57.3 in (100%) | 9.5 | 91 in | 32 in (2026-02-16) | 4 |
| Mar | 71.5 in | 71.5 in (100%) | 11.3 | 110 in | 46 in (2023-03-20) | 4 |
| Apr | 33 in | 33 in (100%) | 5.3 | 102 in | 32 in (2023-04-03) | 4 |
| May | 12.8 in | 12.8 in (100%) | 3.3 | 61.7 in | 27 in (2024-05-05) | 4 |
| Jun | 0 in | 0 in | 0 | 10.7 in | – | 4 |
| Jul | 0 in | 0 in | 0 | 0 in | – | 4 |
| Aug | 0 in | 0 in | 0 | 0 in | – | 4 |
| Sep | 0.3 in | 0.3 in (100%) | 0.3 | 0 in | 1 in (2023-09-04) | 4 |
Averages per calendar month at the Atwater SNOTEL station over the 30 most recent complete winters and, separately, the 10 most recent. Snowfall is the sum of daily depth increases, a measured floor; a snow day has at least 1 in; the storm is the biggest run of consecutive snow days starting in that month.

Methodology: https://www.peakcam.io/methodology#history  ·  Attribution: PeakCam (https://www.peakcam.io), SNOTEL data: USDA NRCS  ·  Terms: https://www.peakcam.io/about#terms