Rule
Dark Skies
Silverton - Dark Skies - Rocky Mountains
Creede, Colorado, United States
Moonless nights with crystal-clear skies for deep-sky photography
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in America/Denver
Next opportunity
Pristine Dark Skies (pristine)
Silverton
Wed, May 27 · 03:00–03:59 · 1h window
Medium confidence
51%
🌛Moon Altitude4.8°
☁️Total Cloud Coverage3.9%
Pristine Dark Skies (pristine)
Silverton
Thu, May 28 · 03:00–03:58
🌛Moon Altitude:9°
Medium
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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/Denver | 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° |
|---|---|---|---|---|---|---|
| Sat, May 23 | ||||||
| 22:00 | ✓ | 2.2% | 24134m | 0% | 61% | 47° |
| 23:00 | ✓ | 0% | 24135m | 0% | 61% | 37° |
| Sun, May 24 | ||||||
| 24:00 | ✕ | 1% | 24134m | 0% | 61% | 26° |
| 01:00 | ✓ | 5% | 24134m | 0% | 61% | 15° |
| 02:00 | ✓ | 5% | 24134m | 0% | 61% | 3.2° |
| 03:00 | ✓ | 5% | 24134m | 0% | 61% | -8.3° |
| 04:00 | ✓ | 0% | 24135m | 0% | 61% | -19° |
| 05:00 | ✕ | 0% | 24134m | 0% | 61% | -30° |
| 06:00 | ✕ | 0% | 24135m | 0% | 61% | -38° |
| 07:00 | ✕ | 0% | 24135m | 13% | 61% | -45° |
| 08:00 | ✕ | 0.6% | 24135m | 26% | 61% | -48° |
| 09:00 | ✕ | 5% | 24134m | 39% | 61% | -47° |
| 10:00 | ✕ | 16% | 24134m | 42% | 61% | -42° |
| 11:00 | ✕ | 100% | 24134m | 46% | 61% | -34° |
| 12:00 | ✕ | 100% | 24134m | 50% | 61% | -24° |
| 13:00 | ✕ | 100% | 24135m | 43% | 61% | -13° |
| 14:00 | ✕ | 70% | 24134m | 35% | 61% | -2.2° |
| 15:00 | ✕ | 57% | 24135m | 28% | 61% | 9.1° |
| 16:00 | ✕ | 99% | 24134m | 26% | 61% | 20° |
| 17:00 | ✕ | 49% | 24135m | 24% | 61% | 31° |
| 18:00 | ✕ | 56% | 24135m | 22% | 71% | 41° |
| 19:00 | ✕ | 5.1% | 24135m | 16% | 71% | 48° |
| 20:00 | ✕ | 5.9% | 24135m | 11% | 71% | 53° |
| 21:00 | ✕ | 3.4% | 24135m | 4.9% | 71% | 52° |
| 22:00 | ✓ | 15% | 24134m | 3.3% | 71% | 48° |
| 23:00 | ✓ | 21% | 24134m | 1.6% | 71% | 40° |
| Mon, May 25 | ||||||
| 24:00 | ✓ | 66% | 24134m | 0% | 71% | 30° |
| 01:00 | ✓ | 78% | 24135m | 0% | 71% | 19° |
| 02:00 | ✓ | 95% | 24134m | 0% | 71% | 7.7° |
| 03:00 | ✓ | 56% | 24135m | 0% | 71% | -3.9° |
| 04:00 | ✓ | 100% | 24135m | 7.4% | 71% | -15° |
| 05:00 | ✕ | 100% | 24134m | 15% | 71% | -27° |
| 06:00 | ✕ | 100% | 24135m | 22% | 71% | -37° |
| 07:00 | ✕ | 100% | 24134m | 24% | 71% | -46° |
| 08:00 | ✕ | 100% | 24134m | 27% | 71% | -52° |
| 09:00 | ✕ | 100% | 24134m | 29% | 71% | -54° |
| 10:00 | ✕ | 100% | 24134m | 42% | 71% | -51° |
| 11:00 | ✕ | 100% | 24135m | 56% | 71% | -45° |
| 12:00 | ✕ | 100% | 24134m | 69% | 71% | -36° |
| 13:00 | ✕ | 94% | 24135m | 72% | 71% | -25° |
| 14:00 | ✕ | 100% | 24134m | 75% | 71% | -14° |
| 15:00 | ✕ | 100% | 24135m | 77% | 71% | -2.6° |
| 16:00 | ✕ | 78% | 24134m | 80% | 71% | 8.6° |
| 17:00 | ✕ | 100% | 24134m | 82% | 71% | 19° |
| 18:00 | ✕ | 100% | 24135m | 84% | 80% | 30° |
| 19:00 | ✕ | 100% | 24134m | 69% | 80% | 38° |
| 20:00 | ✕ | 100% | 24135m | 53% | 80% | 44° |
| 21:00 | ✕ | 100% | 24134m | 38% | 80% | 47° |
| 22:00 | ✓ | 100% | 24134m | 41% | 80% | 46° |
| 23:00 | ✓ | 63% | 24134m | 45% | 80% | 40° |
| Tue, May 26 | ||||||
| 24:00 | ✓ | 100% | 24135m | 48% | 80% | 32° |
| 01:00 | ✓ | 97% | 24134m | 56% | 80% | 23° |
| 02:00 | ✓ | 100% | 24135m | 64% | 80% | 12° |
| 03:00 | ✓ | 96% | 24134m | 72% | 80% | 0.48° |
| 04:00 | ✓ | 99% | 24135m | 79% | 80% | -11° |
| 05:00 | ✕ | 100% | 24134m | 86% | 80% | -23° |
| 06:00 | ✕ | 100% | 24134m | 93% | 80% | -34° |
| 07:00 | ✕ | 100% | 24134m | 92% | 80% | -45° |
| 08:00 | ✕ | 33% | 16700m | 91% | 80% | -53° |
| 09:00 | ✕ | 24% | 20063m | 90% | 80% | -59° |
| 10:00 | ✕ | 58% | 23998m | 91% | 80% | -60° |
| 11:00 | ✕ | 57% | 22367m | 92% | 80% | -55° |
| 12:00 | ✕ | 76% | 24134m | 92% | 80% | -47° |
| 13:00 | ✕ | 53% | 24134m | 86% | 80% | -36° |
| 14:00 | ✕ | 31% | 24135m | 79% | 80% | -25° |
| 15:00 | ✕ | 7.9% | 24135m | 72% | 80% | -14° |
| 16:00 | ✕ | 37% | 24135m | 76% | 80% | -2.8° |
| 17:00 | ✕ | 66% | 24135m | 79% | 80% | 8.2° |
| 18:00 | ✕ | 94% | 24135m | 83% | 87% | 19° |
| 19:00 | ✕ | 80% | 24135m | 57% | 87% | 28° |
| 20:00 | ✕ | 65% | 24135m | 30% | 87% | 35° |
| 21:00 | ✕ | 50% | 24135m | 3.5% | 87% | 40° |
| 22:00 | ✓ | 34% | 24135m | 2.3% | 87% | 41° |
| 23:00 | ✓ | 18% | 24135m | 1.2% | 87% | 39° |
| Wed, May 27 | ||||||
| 24:00 | ✓ | 1.4% | 24135m | 0% | 87% | 33° |
| 01:00 | ✓ | 2.2% | 24135m | 0% | 87% | 25° |
| 02:00 | ✓ | 3.1% | 24135m | 0% | 87% | 15° |
| 03:00 | ✓ | 3.9% | 24135m | 0% | 87% | 4.8° |
| 04:00 | ✕ | 4.3% | 24135m | 17% | 87% | -6.4° |
| 05:00 | ✕ | 4.6% | 24135m | 33% | 87% | -18° |
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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