# Sunlight Mountain Resort snow history, season 2026-27

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

Through Oct 18, the Sunlight Mountain Resort SNOTEL station (Bison Lake) has measured 9 in. of snow since Oct 1, 150% of the 30-winter normal to date, 0 powder days (8 in. or more); a year ago it had 1 in.

Source: NRCS SNOTEL station Bison Lake, 10,950 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: 9 in (18 days measured, 4 snow days, 0 powder days at ≥ 8 in)
- Base now: 6 in; deepest 9 in on 2026-10-14
- Percent of normal to date: 150% of the 26-winter mean (6 in); 130% of the last 10 winters (6.9 in)
- The last ten winters averaged 6.9 in. by this date, 15% above the 30-winter normal of 6 in.; both are shown.
- Same day last season (2025-26): 1 in, 0 powder days, base 0 in; this season +8 in
- Trend: falling (last 7 days 3 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 | 0.1 in | 0 in – 0 in | 0.1 in |
| 2026-10-20 | 20 | 9 in | 6 in | 1 in – 10 in | 6.9 in |

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

## Past seasons (9)

| Season | Snowfall | % of normal | Snow days | Powder days | Biggest storm | Deepest base | ENSO |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2025-26 | 133 in | 72% | 42 | 2 | 22 in (2026-02-17 to 2026-02-18) | 54 in (2026-02-18) | Neutral (ONI -0.39) |
| 2024-25 | 163 in | 88% | 59 | 3 | 21 in (2025-02-12 to 2025-02-17) | 64 in (2025-03-18) | Neutral (ONI -0.46) |
| 2023-24 | 187 in | 101% | 62 | 2 | 17 in (2024-01-10 to 2024-01-14) | 75 in (2024-03-31) | El Niño (ONI +1.84) |
| 2022-23 | 295 in | 159% | 81 | 11 | 23 in (2023-01-27 to 2023-01-30) | 122 in (2023-03-22) | La Niña (ONI -0.55) |
| 2021-22 | 214 in | 115% | 65 | 9 | 38 in (2021-12-23 to 2021-12-28) | 72 in (2022-01-02) | La Niña (ONI -0.76) |
| 2020-21 | 185 in | 100% | 66 | 2 | 19 in (2020-11-07 to 2020-11-10) | 70 in (2021-03-25) | La Niña (ONI -0.99) |
| 2019-20 | 181 in | 98% | 72 | 1 | 13 in (2020-02-06 to 2020-02-08) | 72 in (2020-03-24) | El Niño (ONI +0.71) |
| 2018-19 | 279 in | 150% | 88 | 7 | 30 in (2019-02-03 to 2019-02-06) | 111 in (2019-03-08) | El Niño (ONI +0.99) |
| 2017-18 | 168 in | 91% | 54 | 7 | 20 in (2018-02-12 to 2018-02-13) | 65 in (2018-04-20) | 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 | 14 in | 14.6 in (104%) | 5.4 | 3.2 in | 17 in (2002-10-28) | 25 |
| Nov | 23.7 in | 22.2 in (94%) | 8.6 | 15 in | 29 in (2005-11-29) | 25 |
| Dec | 31.8 in | 32.1 in (101%) | 9.3 | 30.2 in | 38 in (2021-12-23) | 26 |
| Jan | 28.3 in | 33.5 in (118%) | 9.2 | 45.5 in | 36 in (2017-01-08) | 26 |
| Feb | 28 in | 36.7 in (131%) | 8.3 | 58 in | 30 in (2019-02-03) | 26 |
| Mar | 24.6 in | 29.8 in (121%) | 8 | 66.3 in | 20 in (2010-03-31) | 26 |
| Apr | 24.5 in | 22.1 in (90%) | 7.2 | 65.5 in | 24 in (2001-04-05) | 25 |
| May | 10.2 in | 10.6 in (104%) | 3.7 | 50.6 in | 14 in (2014-05-08) | 26 |
| Jun | 1.7 in | 1.8 in (106%) | 0.6 | 14.4 in | 12 in (1998-06-17) | 26 |
| Jul | 0 in | 0 in | 0 | 0.5 in | – | 26 |
| Aug | 0 in | 0 in | 0 | 0 in | – | 26 |
| Sep | 1.2 in | 1.3 in (108%) | 0.4 | 0.1 in | 8 in (2013-09-27) | 24 |
- Jan: The last ten winters averaged 33.5 in. in Jan, 18% above the 30-winter normal of 28.3 in.; both are shown.
- Feb: The last ten winters averaged 36.7 in. in Feb, 31% above the 30-winter normal of 28 in.; both are shown.
- Mar: The last ten winters averaged 29.8 in. in Mar, 21% above the 30-winter normal of 24.6 in.; both are shown.
Averages per calendar month at the Bison Lake 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