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
Good Dark Skies
Silverton
Tomorrow · 02:00–03:00 · 1h window
Medium confidence
60%
🌛Moon Altitude-2.8°
☁️Total Cloud Coverage16.9%
Pristine Dark Skies (pristine)
Silverton
Sat, Apr 11 · 21:12–23:00
🌛Moon Altitude:-70.8--66.2°
Low
Excellent Dark Skies (pristine)
Silverton
Sun, Apr 12 · 03:00–04:00
🌛Moon Altitude:-11.8°
Medium
Pristine Dark Skies (pristine)
Silverton
Fri, Apr 17 · 21:19–01:00
🌛Moon Altitude:-28.7--4.9°
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° |
|---|---|---|---|---|---|---|
| Tue, Apr 7 | ||||||
| 23:00 | ✓ | 3.4% | 24134m | 0% | 66% | -25° |
| Wed, Apr 8 | ||||||
| 24:00 | ✓ | 5% | 24135m | 0% | 66% | -15° |
| 01:00 | ✓ | 5% | 24135m | 0% | 66% | -4.7° |
| 02:00 | ✓ | 5% | 24134m | 0% | 66% | 4.4° |
| 03:00 | ✓ | 5% | 24135m | 0% | 66% | 12° |
| 04:00 | ✓ | 0.7% | 24134m | 0% | 66% | 19° |
| 05:00 | ✓ | 5% | 24135m | 0% | 66% | 23° |
| 06:00 | ✕ | 5% | 24134m | 0% | 66% | 24° |
| 07:00 | ✕ | 5% | 24135m | 0% | 66% | 23° |
| 08:00 | ✕ | 5% | 24134m | 0% | 66% | 19° |
| 09:00 | ✕ | 4% | 24135m | 0% | 66% | 13° |
| 10:00 | ✕ | 4.3% | 24135m | 0% | 66% | 4.7° |
| 11:00 | ✕ | 17% | 24134m | 0% | 66% | -4.4° |
| 12:00 | ✕ | 100% | 24135m | 0% | 66% | -14° |
| 13:00 | ✕ | 100% | 24135m | 0% | 66% | -25° |
| 14:00 | ✕ | 100% | 24134m | 0% | 66% | -36° |
| 15:00 | ✕ | 100% | 24134m | 0% | 66% | -48° |
| 16:00 | ✕ | 98% | 24135m | 0% | 66% | -59° |
| 17:00 | ✕ | 85% | 24135m | 0% | 66% | -70° |
| 18:00 | ✕ | 96% | 24135m | 0% | 57% | -79° |
| 19:00 | ✕ | 82% | 21236m | 0% | 57% | -78° |
| 20:00 | ✕ | 38% | 24135m | 0% | 57% | -69° |
| 21:00 | ✓ | 53% | 24135m | 0% | 57% | -57° |
| 22:00 | ✓ | 46% | 24135m | 0% | 57% | -46° |
| 23:00 | ✓ | 23% | 24134m | 0% | 57% | -35° |
| Thu, Apr 9 | ||||||
| 24:00 | ✓ | 86% | 24134m | 0% | 57% | -23° |
| 01:00 | ✓ | 94% | 24134m | 0% | 57% | -13° |
| 02:00 | ✓ | 17% | 24135m | 0% | 57% | -2.8° |
| 03:00 | ✓ | 56% | 24134m | 0% | 57% | 6.3° |
| 04:00 | ✓ | 50% | 24135m | 0% | 57% | 14° |
| 05:00 | ✓ | 52% | 24135m | 0% | 57% | 20° |
| 06:00 | ✕ | 18% | 24135m | 0% | 57% | 24° |
| 07:00 | ✕ | 5% | 24135m | 13% | 57% | 25° |
| 08:00 | ✕ | 3.9% | 24134m | 26% | 57% | 23° |
| 09:00 | ✕ | 5.2% | 24135m | 39% | 57% | 19° |
| 10:00 | ✕ | 24% | 24134m | 35% | 57% | 13° |
| 11:00 | ✕ | 99% | 24134m | 30% | 57% | 4.4° |
| 12:00 | ✕ | 100% | 24135m | 26% | 57% | -5° |
| 13:00 | ✕ | 100% | 24135m | 17% | 57% | -15° |
| 14:00 | ✕ | 100% | 24134m | 8.7% | 57% | -26° |
| 15:00 | ✕ | 100% | 24134m | 0% | 57% | -37° |
| 16:00 | ✕ | 100% | 24135m | 0% | 57% | -49° |
| 17:00 | ✕ | 89% | 24134m | 0% | 57% | -60° |
| 18:00 | ✕ | 80% | 24135m | 0% | 47% | -70° |
| 19:00 | ✕ | 75% | 24134m | 0% | 47% | -78° |
| 20:00 | ✕ | 86% | 24134m | 0% | 47% | -75° |
| 21:00 | ✓ | 100% | 24135m | 0% | 47% | -66° |
| 22:00 | ✓ | 100% | 24134m | 0% | 47% | -55° |
| 23:00 | ✓ | 100% | 24134m | 0% | 47% | -43° |
| Fri, Apr 10 | ||||||
| 24:00 | ✓ | 63% | 24135m | 0% | 47% | -32° |
| 01:00 | ✓ | 35% | 24134m | 0% | 47% | -21° |
| 02:00 | ✓ | 98% | 24134m | 0% | 47% | -9.9° |
| 03:00 | ✓ | 100% | 24135m | 0% | 47% | 0.23° |
| 04:00 | ✓ | 95% | 24135m | 13% | 47% | 9.4° |
| 05:00 | ✓ | 100% | 24134m | 26% | 47% | 17° |
| 06:00 | ✕ | 100% | 24134m | 39% | 47% | 23° |
| 07:00 | ✕ | 96% | 24134m | 39% | 47% | 27° |
| 08:00 | ✕ | 100% | 24134m | 39% | 47% | 27° |
| 09:00 | ✕ | 100% | 24134m | 39% | 47% | 25° |
| 10:00 | ✕ | 100% | 24134m | 48% | 47% | 20° |
| 11:00 | ✕ | 100% | 24135m | 58% | 47% | 13° |
| 12:00 | ✕ | 100% | 24135m | 68% | 47% | 4.8° |
| 13:00 | ✕ | 100% | 24135m | 75% | 47% | -4.9° |
| 14:00 | ✕ | 100% | 24134m | 83% | 47% | -15° |
| 15:00 | ✕ | 100% | 24135m | 90% | 47% | -26° |
| 16:00 | ✕ | 100% | 24134m | 91% | 47% | -38° |
| 17:00 | ✕ | 75% | 19502m | 92% | 47% | -49° |
| 18:00 | ✕ | 100% | 24134m | 94% | 38% | -60° |
| 19:00 | ✕ | 100% | 24134m | 84% | 38% | -70° |
| 20:00 | ✕ | 100% | 24134m | 74% | 38% | -75° |
| 21:00 | ✓ | 96% | 24135m | 64% | 38% | -71° |
| 22:00 | ✓ | 100% | 24135m | 71% | 38% | -62° |
| 23:00 | ✓ | 100% | 16707m | 79% | 38% | -51° |
| Sat, Apr 11 | ||||||
| 24:00 | ✓ | 59% | 17883m | 86% | 38% | -40° |
| 01:00 | ✓ | 63% | 19967m | 73% | 38% | -28° |
| 02:00 | ✓ | 68% | 22051m | 59% | 38% | -17° |
| 03:00 | ✓ | 72% | 24135m | 46% | 38% | -5.8° |
| 04:00 | ✓ | 81% | 22055m | 58% | 38% | 4.4° |
| 05:00 | ✓ | 91% | 19975m | 69% | 38% | 14° |
| 06:00 | ✕ | 100% | 17896m | 81% | 38% | 22° |
| 07:00 | ✕ | 92% | 12214m | 87% | 38% | 27° |
| 08:00 | ✕ | 84% | 6532m | 93% | 38% | 31° |
| 09:00 | ✕ | 76% | 851m | 99% | 38% | 31° |
| 10:00 | ✕ | 84% | 665m | 99% | 38% | 28° |
| 11:00 | ✕ | 92% | 479m | 99% | 38% | 23° |
| 12:00 | ✕ | 100% | 294m | 99% | 38% | 15° |
| 13:00 | ✕ | 73% | 8241m | 81% | 38% | 5.8° |
| 14:00 | ✕ | 45% | 16188m | 63% | 38% | -4.4° |
| 15:00 | ✕ | 18% | 24135m | 45% | 38% | -15° |
| 16:00 | ✕ | 14% | 24135m | 47% | 38% | -26° |
| 17:00 | ✕ | 9.3% | 24135m | 50% | 38% | -38° |
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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