# Alyeska Resort snow history, season 2026-27

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

Through Oct 19, the Alyeska Resort SNOTEL station (Mt. Alyeska) has measured 5 in. of snow since Oct 1, 139% of the 30-winter normal to date, 0 powder days (8 in. or more); a year ago it had 0 in.

Source: NRCS SNOTEL station Mt. Alyeska, 1,500 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: 5 in (19 days measured, 2 snow days, 0 powder days at ≥ 8 in)
- Base now: 3 in; deepest 3 in on 2026-10-19
- Percent of normal to date: 139% of the 19-winter mean (3.6 in); 200% of the last 10 winters (2.5 in)
- The last ten winters averaged 2.5 in. by this date, 31% below the 30-winter normal of 3.6 in.; both are shown.
- Same day last season (2025-26): 0 in, 0 powder days, base 0 in; this season +5 in
- Trend: rising (last 7 days 3 in, the 7 before 0 in)

## Season curve vs normal

| Date | Day | Measured so far | 30-winter mean | p25–p75 | Last 10 winters |
| --- | --- | --- | --- | --- | --- |
| 2026-10-01 | 1 | 2 in | 0 in | 0 in – 0 in | 0 in |
| 2026-10-20 | 20 | 5 in | 3.6 in | 0 in – 4 in | 2.5 in |

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

## Past seasons (9)

| Season | Snowfall | % of normal | Snow days | Powder days | Biggest storm | Deepest base | ENSO |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2025-26 | 145 in | 74% | 43 | 3 | 17 in (2025-11-06 to 2025-11-07) | 57 in (2026-05-01) | Neutral (ONI -0.39) |
| 2024-25 | 179 in | 92% | 46 | 7 | 37 in (2025-04-06 to 2025-04-10) | 82 in (2025-04-10) | Neutral (ONI -0.46) |
| 2023-24 | 254 in | 130% | 56 | 12 | 39 in (2023-11-07 to 2023-11-09) | 110 in (2024-04-09) | El Niño (ONI +1.84) |
| 2022-23 | 203 in | 104% | 58 | 7 | 19 in (2023-03-17 to 2023-03-18) | 80 in (2023-03-22) | La Niña (ONI -0.55) |
| 2021-22 | 231 in | 118% | 68 | 6 | 21 in (2022-01-27 to 2022-01-28) | 99 in (2022-03-28) | La Niña (ONI -0.76) |
| 2020-21 | 230 in | 118% | 60 | 8 | 36 in (2021-01-06 to 2021-01-12) | 108 in (2021-04-14) | La Niña (ONI -0.99) |
| 2019-20 | 148 in | 76% | 48 | 6 | 28 in (2020-02-17 to 2020-02-20) | 74 in (2020-02-20) | El Niño (ONI +0.71) |
| 2018-19 | 140 in | 72% | 46 | 2 | 14 in (2018-12-10 to 2018-12-12) | 63 in (2019-03-15) | El Niño (ONI +0.99) |
| 2017-18 | 137 in | 70% | 47 | 4 | 19 in (2018-03-08 to 2018-03-09) | 62 in (2018-03-11) | La Niña (ONI -0.71) |

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 | 8.6 in | 8.6 in (100%) | 3.1 | 1.6 in | 12 in (2007-10-31) | 19 |
| Nov | 34.5 in | 32.6 in (94%) | 9.3 | 15.5 in | 39 in (2023-11-07) | 19 |
| Dec | 32.6 in | 30.9 in (95%) | 9.8 | 31.2 in | 29 in (2012-12-24) | 19 |
| Jan | 35.8 in | 41.2 in (115%) | 9.1 | 46.4 in | 36 in (2021-01-06) | 19 |
| Feb | 31.9 in | 22.9 in (72%) | 8.2 | 59.3 in | 28 in (2012-02-13) | 19 |
| Mar | 32.9 in | 27.1 in (82%) | 7.4 | 70.4 in | 37 in (2008-03-04) | 19 |
| Apr | 15.3 in | 15.4 in (101%) | 4.2 | 70.5 in | 37 in (2025-04-06) | 19 |
| May | 3.5 in | 2.3 in (66%) | 1.1 | 38.8 in | 13 in (2013-05-16) | 19 |
| Jun | 0 in | 0 in | 0 | 3.7 in | – | 19 |
| Jul | 0 in | 0 in | 0 | 0 in | – | 19 |
| Aug | 0 in | 0 in | 0 | 0 in | – | 19 |
| Sep | 0.5 in | 0.7 in (140%) | 0.2 | 0.1 in | 7 in (2021-09-23) | 19 |
- Jan: The last ten winters averaged 41.2 in. in Jan, 15% above the 30-winter normal of 35.8 in.; both are shown.
- Feb: The last ten winters averaged 22.9 in. in Feb, 28% below the 30-winter normal of 31.9 in.; both are shown.
- Mar: The last ten winters averaged 27.1 in. in Mar, 18% below the 30-winter normal of 32.9 in.; both are shown.
- May: The last ten winters averaged 2.3 in. in May, 34% below the 30-winter normal of 3.5 in.; both are shown.
- Sep: The last ten winters averaged 0.7 in. in Sep, 40% above the 30-winter normal of 0.5 in.; both are shown.
Averages per calendar month at the Mt. Alyeska 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