Rule
Dark Skies
Coldfoot - Dark Skies - Alaska
Coldfoot, Alaska, United States
Moonless nights with crystal-clear skies for Milky Way shots
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in America/Anchorage
Next opportunity
Dark Skies
Coldfoot
Tue, Jan 13 · 09:00–11:00 · 2h window
Medium confidence
40%
Dark Skies
Coldfoot
Tue, Jan 13 · 11:00–07:00
Medium
Dark Skies
Coldfoot
Wed, Jan 14 · 21:00–07:00
Medium
Dark Skies
Coldfoot
Sat, Jan 24 · 08:00–09:00
Low
Dark Skies
Coldfoot
Sat, Jan 24 · 09:00–10:00
Low
Dark Skies
Coldfoot
Sat, Jan 24 · 10:00–11:00
Low
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72-hour requirements breakdown
What passed or failed, hour by hourOR logic: one branch per group is enough
Meets requirement
Misses requirement
Time America/Anchorage | 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 | ||||||
| 08:00 | ✓ | 100% | 660m | 75% | 41% | 6.2° |
| 09:00 | ✓ | 100% | 400m | 75% | 41% | 4.7° |
| 10:00 | ✓ | 96% | 320m | 73% | 41% | 2° |
| 11:00 | ✓ | 94% | 260m | 73% | 41% | -1.9° |
| 12:00 | ✓ | 92% | 320m | 70% | 41% | -6.6° |
| 13:00 | ✓ | 93% | 580m | 65% | 41% | -12° |
| 14:00 | ✓ | 92% | 900m | 58% | 41% | -18° |
| 15:00 | ✓ | 90% | 1100m | 50% | 33% | -23° |
| 16:00 | ✓ | 97% | 1080m | 45% | 33% | -29° |
| 17:00 | ✓ | 88% | 1180m | 45% | 33% | -34° |
| 18:00 | ✓ | 88% | 1020m | 35% | 33% | -38° |
| 19:00 | ✓ | 89% | 1300m | 18% | 33% | -40° |
| 20:00 | ✓ | 83% | 2140m | 15% | 33% | -41° |
| 21:00 | ✓ | 82% | 2660m | 8% | 33% | -40° |
| 22:00 | ✓ | 83% | 4260m | 5% | 33% | -38° |
| 23:00 | ✓ | 85% | 5360m | 3% | 33% | -34° |
| Mon, Jan 12 | ||||||
| 24:00 | ✓ | 89% | 6020m | 3% | 33% | -29° |
| 01:00 | ✓ | 89% | 5380m | 3% | 33% | -24° |
| 02:00 | ✓ | 92% | 4460m | 3% | 33% | -19° |
| 03:00 | ✓ | 89% | 5200m | 0% | 33% | -13° |
| 04:00 | ✓ | 90% | 5680m | 0% | 33% | -8.4° |
| 05:00 | ✓ | 95% | 6640m | 0% | 33% | -4.3° |
| 06:00 | ✓ | 95% | 5920m | 0% | 33% | -1° |
| 07:00 | ✓ | 91% | 4280m | 0% | 33% | 1.1° |
| 08:00 | ✓ | 88% | 3100m | 0% | 33% | 2° |
| 09:00 | ✓ | 60% | 2440m | 0% | 33% | 1.5° |
| 10:00 | ✓ | 49% | 2260m | 0% | 33% | -0.28° |
| 11:00 | ✓ | 50% | 2560m | 0% | 33% | -3.2° |
| 12:00 | ✓ | 54% | 2540m | 0% | 33% | -7.2° |
| 13:00 | ✓ | 55% | 2040m | 0% | 33% | -12° |
| 14:00 | ✓ | 71% | 1420m | 0% | 33% | -17° |
| 15:00 | ✓ | 67% | 1320m | 0% | 24% | -23° |
| 16:00 | ✓ | 84% | 1820m | 0% | 24% | -29° |
| 17:00 | ✓ | 87% | 2600m | 0% | 24% | -34° |
| 18:00 | ✓ | 91% | 2680m | 0% | 24% | -39° |
| 19:00 | ✓ | 75% | 2760m | 0% | 24% | -43° |
| 20:00 | ✓ | 64% | 3160m | 0% | 24% | -45° |
| 21:00 | ✓ | 57% | 3880m | 0% | 24% | -45° |
| 22:00 | ✓ | 52% | 4220m | 0% | 24% | -44° |
| 23:00 | ✓ | 36% | 3920m | 0% | 24% | -41° |
| Tue, Jan 13 | ||||||
| 24:00 | ✓ | 2% | 3500m | 0% | 24% | -37° |
| 01:00 | ✓ | 0% | 3520m | 0% | 24% | -32° |
| 02:00 | ✓ | 0% | 4820m | 0% | 24% | -26° |
| 03:00 | ✓ | 0% | 6140m | 0% | 24% | -21° |
| 04:00 | ✓ | 0% | 5420m | 0% | 24% | -16° |
| 05:00 | ✓ | 0% | 5340m | 0% | 24% | -11° |
| 06:00 | ✓ | 0% | 6240m | 0% | 24% | -7° |
| 07:00 | ✓ | 0% | 6680m | 0% | 24% | -4.1° |
| 08:00 | ✓ | 0% | 7420m | 0% | 24% | -2.2° |
| 09:00 | ✓ | 0% | 14900m | 0% | 24% | -1.7° |
| 10:00 | ✓ | 0% | 24140m | 0% | 24% | -2.4° |
| 11:00 | ✓ | 0% | 24140m | 0% | 24% | -4.3° |
| 12:00 | ✓ | 0% | 24140m | 0% | 24% | -7.4° |
| 13:00 | ✓ | 0% | 24140m | 0% | 24% | -11° |
| 14:00 | ✓ | 0% | 24140m | 0% | 24% | -16° |
| 15:00 | ✓ | 0% | 24140m | 0% | 16% | -22° |
| 16:00 | ✓ | 0% | 24140m | 0% | 16% | -27° |
| 17:00 | ✓ | 0% | 24140m | 0% | 16% | -33° |
| 18:00 | ✓ | 0% | 24140m | 0% | 16% | -38° |
| 19:00 | ✓ | 0% | 24140m | 0% | 16% | -43° |
| 20:00 | ✓ | 0% | 24140m | 0% | 16% | -46° |
| 21:00 | ✓ | 0% | 24140m | 0% | 16% | -48° |
| 22:00 | ✓ | 0% | 24140m | 0% | 16% | -48° |
| 23:00 | ✓ | 0% | 24140m | 0% | 16% | -46° |
| Wed, Jan 14 | ||||||
| 24:00 | ✓ | 0% | 24140m | 0% | 16% | -43° |
| 01:00 | ✓ | 0% | 24140m | 0% | 16% | -39° |
| 02:00 | ✓ | 0% | 24140m | 0% | 16% | -33° |
| 03:00 | ✓ | 0% | 24140m | 0% | 16% | -28° |
| 04:00 | ✓ | 2% | 24140m | 0% | 16% | -22° |
| 05:00 | ✓ | 4% | 24140m | 1% | 16% | -17° |
| 06:00 | ✓ | 6% | 24140m | 2% | 16% | -13° |
| 07:00 | ✓ | 32% | 24140m | 2% | 16% | -9° |
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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