Rule
Dark Skies
Lauterbrunnen - Dark Skies - Alps
Lauterbrunnen, Bern, Switzerland
Moonless nights with crystal-clear skies for Milky Way shots
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/Zurich
Next opportunity
Dark Skies
Lauterbrunnen
Tue, Jan 13 · 22:00–24:00 · 2h window
Medium confidence
55%
Dark Skies
Lauterbrunnen
Fri, Jan 16 · 04:00–06:20
Low
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72-hour requirements breakdown
What passed or failed, hour by hour0matching hours in the next 72 hours
OR logic: one branch per group is enough
Meets requirement
Misses requirement
Time Europe/Zurich | Astronomical Night Any | Total Cloud Coverage ≤ 20.0% | Visibility ≥ 12000.0m | Precipitation Chance ≤ 10.0% | Moon Illumination OR1·B1≤ 35.0% | Moon Altitude OR1·B2≤ 10.0° |
|---|---|---|---|---|---|---|
| Sun, Jan 11 | ||||||
| 19:00 | ✓ | 75% | 74660m | 0% | 41% | -60° |
| 20:00 | ✓ | 100% | 76560m | 0% | 41% | -58° |
| 21:00 | ✓ | 100% | 77340m | 0% | 41% | -52° |
| 22:00 | ✓ | 100% | 79180m | 0% | 41% | -44° |
| 23:00 | ✓ | 100% | 78640m | 0% | 41% | -35° |
| Mon, Jan 12 | ||||||
| 24:00 | ✓ | 100% | 78900m | 0% | 41% | -25° |
| 01:00 | ✓ | 95% | 79860m | 0% | 33% | -15° |
| 02:00 | ✓ | 100% | 78840m | 0% | 33% | -5.5° |
| 03:00 | ✓ | 100% | 76660m | 0% | 33% | 3.4° |
| 04:00 | ✓ | 100% | 71080m | 0% | 33% | 11° |
| 05:00 | ✓ | 99% | 69540m | 5% | 33% | 18° |
| 06:00 | ✓ | 100% | 63080m | 25% | 33% | 22° |
| 07:00 | ✕ | 100% | 31380m | 40% | 33% | 24° |
| 08:00 | ✕ | 100% | 25760m | 20% | 33% | 24° |
| 09:00 | ✕ | 100% | 39380m | 18% | 33% | 21° |
| 10:00 | ✕ | 95% | 33100m | 5% | 33% | 16° |
| 11:00 | ✕ | 100% | 30960m | 25% | 33% | 8.8° |
| 12:00 | ✕ | 89% | 44500m | 23% | 33% | 0.54° |
| 13:00 | ✕ | 47% | 53580m | 30% | 33% | -8.6° |
| 14:00 | ✕ | 93% | 58920m | 25% | 33% | -18° |
| 15:00 | ✕ | 100% | 65200m | 23% | 33% | -28° |
| 16:00 | ✕ | 100% | 68960m | 20% | 33% | -39° |
| 17:00 | ✕ | 92% | 65240m | 20% | 33% | -48° |
| 18:00 | ✓ | 100% | 58820m | 13% | 33% | -57° |
| 19:00 | ✓ | 100% | 51940m | 5% | 33% | -63° |
| 20:00 | ✓ | 100% | 55020m | 0% | 33% | -64° |
| 21:00 | ✓ | 84% | 40420m | 0% | 33% | -61° |
| 22:00 | ✓ | 58% | 45600m | 0% | 33% | -54° |
| 23:00 | ✓ | 87% | 48200m | 0% | 33% | -45° |
| Tue, Jan 13 | ||||||
| 24:00 | ✓ | 100% | 50300m | 0% | 33% | -35° |
| 01:00 | ✓ | 100% | 67100m | 0% | 24% | -25° |
| 02:00 | ✓ | 90% | 70860m | 0% | 24% | -16° |
| 03:00 | ✓ | 72% | 73420m | 0% | 24% | -6.3° |
| 04:00 | ✓ | 85% | 75880m | 0% | 24% | 2.1° |
| 05:00 | ✓ | 83% | 75860m | 0% | 24% | 9.4° |
| 06:00 | ✓ | 88% | 75860m | 0% | 24% | 15° |
| 07:00 | ✕ | 96% | 77120m | 0% | 24% | 19° |
| 08:00 | ✕ | 73% | 76040m | 0% | 24% | 20° |
| 09:00 | ✕ | 33% | 72380m | 0% | 24% | 19° |
| 10:00 | ✕ | 89% | 76740m | 0% | 24% | 16° |
| 11:00 | ✕ | 91% | 75300m | 0% | 24% | 11° |
| 12:00 | ✕ | 44% | 75460m | 0% | 24% | 3.7° |
| 13:00 | ✕ | 100% | 74740m | 0% | 24% | -4.5° |
| 14:00 | ✕ | 39% | 75680m | 0% | 24% | -14° |
| 15:00 | ✕ | 84% | 76320m | 0% | 24% | -23° |
| 16:00 | ✕ | 64% | 75260m | 0% | 24% | -33° |
| 17:00 | ✕ | 89% | 75360m | 0% | 24% | -43° |
| 18:00 | ✓ | 94% | 75480m | 0% | 24% | -53° |
| 19:00 | ✓ | 98% | 75900m | 0% | 24% | -61° |
| 20:00 | ✓ | 84% | 77140m | 0% | 24% | -67° |
| 21:00 | ✓ | 99% | 77720m | 0% | 24% | -67° |
| 22:00 | ✓ | 0% | 77820m | 0% | 24% | -62° |
| 23:00 | ✓ | 0% | 77940m | 0% | 24% | -54° |
| Wed, Jan 14 | ||||||
| 24:00 | ✓ | 22% | 78520m | 0% | 24% | -45° |
| 01:00 | ✓ | 100% | 78820m | 0% | 16% | -35° |
| 02:00 | ✓ | 100% | 78680m | 0% | 16% | -25° |
| 03:00 | ✓ | 100% | 78160m | 0% | 16% | -16° |
| 04:00 | ✓ | 100% | 76940m | 0% | 16% | -6.9° |
| 05:00 | ✓ | 100% | 77080m | 1% | 16% | 1.2° |
| 06:00 | ✓ | 100% | 76420m | 2% | 16% | 8° |
| 07:00 | ✕ | 100% | 76140m | 3% | 16% | 13° |
| 08:00 | ✕ | 100% | 76540m | 4% | 16% | 16° |
| 09:00 | ✕ | 100% | 74360m | 6% | 16% | 17° |
| 10:00 | ✕ | 100% | 75760m | 8% | 16% | 16° |
| 11:00 | ✕ | 100% | 74520m | 14% | 16% | 12° |
| 12:00 | ✕ | 95% | 74120m | 17% | 16% | 6.9° |
| 13:00 | ✕ | 85% | 73180m | 20% | 16% | -0.11° |
| 14:00 | ✕ | 80% | 71180m | 23% | 16% | -8.3° |
| 15:00 | ✕ | 94% | 64380m | 27% | 16% | -17° |
| 16:00 | ✕ | 100% | 68920m | 31% | 16% | -27° |
| 17:00 | ✕ | 100% | 65180m | 34% | 16% | -37° |
| 18:00 | ✓ | 100% | 8520m | 36% | 16% | -47° |
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity). For OR groups, only one branch is required, so some OR-branch predicates can be ✕ even in a matching hour.
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