Fog report Fri, 17.01
Fog lid at 2’000 m, sun above it.
Most sun: Bad Ragaz with 5 h 48 min. On the Swiss Plateau 2 of 33 weather stations saw not a single minute of sun.
Measured on Friday, 17 January 2020 · Source: MeteoSwiss, SwissMetNet stations
Sun staircase · 17.01.2020 · measured
Sun by altitude at 57 weather stations
Each dot is a MeteoSwiss station: up, how high it lies; right, how long it measured sun on Fri, 17.01.
Stations without a minute of sun: 5
- La Dôle1’670 m0 min
- Fahy596 m0 min
- Delémont439 m0 min
- Mathod435 m0 min
- Genève / Cointrin411 m0 min
Longest in the sun
- Bad Ragaz497 m5 h 48 min
- Gütsch, Andermatt2’286 m4 h 54 min
- Pilatus2’105 m4 h 35 min
- Vaduz457 m4 h 33 min
Above the fog lid: summits from 2’100 m
All measurements of Fri, 17.01
Minutes of sun per hour at 57 MeteoSwiss weather stations, sorted by height. Each cell is an hour; the dashed line is the measured fog level.
| Station · hour ending | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jungfraujoch3’571 m | 33 min | 60 min | 60 min | 55 min | 36 min | 1 min | 0 min | 0 min | 0 min | 0 min | 4 h 5 min |
| Säntis2’501 m | 47 min | 59 min | 44 min | 0 min | 0 min | 7 min | 0 min | 0 min | 0 min | 0 min | 2 h 37 min |
| Gütsch, Andermatt2’286 m | 2 min | 60 min | 60 min | 60 min | 57 min | 18 min | 3 min | 14 min | 20 min | 0 min | 4 h 54 min |
| Pilatus2’105 m | 37 min | 60 min | 60 min | 48 min | 55 min | 15 min | 0 min | 0 min | 0 min | 0 min | 4 h 35 min |
| Le Moléson1’974 m | 36 min | 33 min | 4 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 1 h 13 min |
| La Dôle1’670 m | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min |
| Chasseral1’594 m | 9 min | 3 min | 1 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 13 min |
| Napf1’404 m | 35 min | 60 min | 58 min | 43 min | 20 min | 0 min | 0 min | 0 min | 0 min | 0 min | 3 h 36 min |
| Adelboden1’321 m | 0 min | 0 min | 26 min | 32 min | 4 min | 0 min | 0 min | 0 min | 0 min | 0 min | 1 h 2 min |
| Bullet / La Frétaz1’205 m | 1 min | 1 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 2 min |
| Chaumont1’136 m | 13 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 13 min |
| Hörnli1’133 m | 22 min | 58 min | 47 min | 34 min | 27 min | 0 min | 0 min | 0 min | 0 min | 0 min | 3 h 8 min |
| Plaffeien1’042 m | 16 min | 54 min | 11 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 1 h 21 min |
| Engelberg1’036 m | 0 min | 0 min | 0 min | 37 min | 58 min | 13 min | 0 min | 0 min | 0 min | 0 min | 1 h 48 min |
| Château-d'Oex1’028 m | 0 min | 17 min | 14 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 31 min |
| La Chaux-de-Fonds1’017 m | 1 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 1 min |
| Bantiger942 m | 21 min | 60 min | 20 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 1 h 41 min |
| Uetliberg854 m | 41 min | 60 min | 29 min | 1 min | 8 min | 0 min | 0 min | 3 min | 0 min | 0 min | 2 h 22 min |
| Lägern845 m | 20 min | 43 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 1 h 3 min |
| St. Gallen776 m | 0 min | 30 min | 60 min | 53 min | 11 min | 7 min | 0 min | 0 min | 0 min | 0 min | 2 h 41 min |
| Frutigen756 m | 0 min | 0 min | 47 min | 43 min | 26 min | 0 min | 0 min | 0 min | 0 min | 0 min | 1 h 56 min |
| Bière684 m | 4 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 4 min |
| Fribourg / Grangeneuve651 m | 3 min | 42 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 45 min |
| Rünenberg611 m | 19 min | 60 min | 3 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 0 min | 1 h 22 min |
| Zürich / Fluntern604 m | 15 min | 59 min | 7 min | 0 min | 19 min | 2 min | 0 min | 0 min | 0 min | 0 min | 1 h 42 min |
For the press
Chart and measurements are free to use with a link to this page (CC BY 4.0). Source of the measurements: MeteoSwiss, SwissMetNet stations.
More sea-of-fog days
The days the MeteoSwiss network measured a sea of fog in at least half of the hours with the sun high – each with all its measurements.
- Thu, 05.11.2026Fog lid 900–2’200 m · 15 of 44 Plateau stations without sun
- Wed, 04.11.2026Fog lid 1’500 m · 39 of 43 Plateau stations without sun
- Tue, 03.11.2026Fog lid 1’800 m · 39 of 44 Plateau stations without sun
- Mon, 02.11.2026Fog lid 1’500–1’800 m · 16 of 44 Plateau stations without sun
- Fri, 30.10.2026Fog lid 1’500 m · 16 of 44 Plateau stations without sun
- Mon, 19.10.2026Fog lid 1’300 m · 34 of 44 Plateau stations without sun
- Sea of fog calendarEvery day with a sea of fog
Source: MeteoSwiss