Rule
Dark Skies
Whitehorse - Dark Skies - Yukon
Whitehorse, Yukon, Canada
Moonless nights with crystal-clear skies for deep-sky photography
No opportunities right now
Here’s what usually blocks matches
No Dark Skies opportunities in the next 14 days
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Rule requirements (key thresholds)
Astronomical Night · Any Total Cloud Coverage · ≤ 20.0% Visibility · ≥ 12000.0m Precipitation Chance · ≤ 10.0%
Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.
Most common blockers (next 72 hours)
Total Cloud Coverage 92% failing
Precipitation Chance 69% failing
Moon Illumination 65% failing
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in America/Whitehorse
No opportunities in the next 10 days
See the blocker timeline below to understand which conditions are preventing matches.
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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/Whitehorse | 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, Feb 21 | ||||||
| 18:00 | ✕ | 99% | 7445m | 0% | 28% | 45° |
| 19:00 | ✕ | 89% | 8117m | 0% | 28% | 43° |
| 20:00 | ✕ | 64% | 8055m | 0% | 28% | 39° |
| 21:00 | ✓ | 69% | 8118m | 0% | 28% | 34° |
| 22:00 | ✓ | 86% | 5992m | 0% | 28% | 28° |
| 23:00 | ✓ | 97% | 5740m | 0% | 28% | 21° |
| Sun, Feb 22 | ||||||
| 24:00 | ✓ | 98% | 5280m | 0% | 28% | 14° |
| 01:00 | ✓ | 99% | 4859m | 0% | 28% | 7.5° |
| 02:00 | ✓ | 99% | 5214m | 0% | 28% | 1.5° |
| 03:00 | ✓ | 99% | 5247m | 0% | 28% | -3.6° |
| 04:00 | ✓ | 99% | 5309m | 0% | 28% | -7.6° |
| 05:00 | ✓ | 99% | 5628m | 0% | 28% | -10° |
| 06:00 | ✓ | 99% | 5480m | 0% | 28% | -11° |
| 07:00 | ✓ | 97% | 6097m | 0% | 28% | -10° |
| 08:00 | ✓ | 97% | 6577m | 0% | 28% | -7.4° |
| 09:00 | ✓ | 98% | 6552m | 0% | 28% | -3.4° |
| 10:00 | ✓ | 90% | 6569m | 0% | 28% | 1.8° |
| 11:00 | ✓ | 87% | 7144m | 0% | 28% | 8° |
| 12:00 | ✓ | 69% | 9834m | 0% | 28% | 15° |
| 13:00 | ✓ | 59% | 16929m | 0% | 28% | 22° |
| 14:00 | ✓ | 18% | 24134m | 0% | 28% | 29° |
| 15:00 | ✓ | 5% | 24134m | 0% | 28% | 36° |
| 16:00 | ✓ | 5% | 24135m | 0% | 28% | 42° |
| 17:00 | ✕ | 12% | 24134m | 0% | 38% | 47° |
| 18:00 | ✕ | 5.6% | 24134m | 0% | 38% | 50° |
| 19:00 | ✕ | 9.5% | 24135m | 0% | 38% | 50° |
| 20:00 | ✕ | 9.2% | 24134m | 0% | 38% | 48° |
| 21:00 | ✓ | 6.2% | 24134m | 0% | 38% | 44° |
| 22:00 | ✓ | 5.6% | 24133m | 0% | 38% | 38° |
| 23:00 | ✓ | 87% | 24134m | 0% | 38% | 32° |
| Mon, Feb 23 | ||||||
| 24:00 | ✓ | 92% | 23931m | 0% | 38% | 25° |
| 01:00 | ✓ | 54% | 24133m | 0% | 38% | 18° |
| 02:00 | ✓ | 61% | 24133m | 0% | 38% | 11° |
| 03:00 | ✓ | 99% | 24133m | 0% | 38% | 5.6° |
| 04:00 | ✓ | 74% | 24133m | 0% | 38% | 0.68° |
| 05:00 | ✓ | 100% | 24135m | 0% | 38% | -3° |
| 06:00 | ✓ | 75% | 24134m | 0% | 38% | -5.3° |
| 07:00 | ✓ | 100% | 23306m | 0% | 38% | -6° |
| 08:00 | ✓ | 100% | 12649m | 0% | 38% | -5° |
| 09:00 | ✓ | 100% | 1052m | 0% | 38% | -2.5° |
| 10:00 | ✓ | 100% | 207m | 0% | 38% | 1.4° |
| 11:00 | ✓ | 100% | 237m | 0% | 38% | 6.5° |
| 12:00 | ✓ | 100% | 696m | 0% | 38% | 13° |
| 13:00 | ✓ | 100% | 376m | 0% | 38% | 19° |
| 14:00 | ✓ | 100% | 557m | 0% | 38% | 26° |
| 15:00 | ✓ | 97% | 1292m | 16% | 38% | 33° |
| 16:00 | ✓ | 89% | 6386m | 33% | 38% | 40° |
| 17:00 | ✓ | 86% | 9246m | 49% | 50% | 46° |
| 18:00 | ✓ | 68% | 10143m | 65% | 50% | 51° |
| 19:00 | ✓ | 76% | 17748m | 80% | 50% | 54° |
| 20:00 | ✓ | 100% | 17268m | 96% | 50% | 54° |
| 21:00 | ✓ | 100% | 12508m | 97% | 50% | 52° |
| 22:00 | ✓ | 99% | 15531m | 99% | 50% | 47° |
| 23:00 | ✓ | 100% | 12330m | 100% | 50% | 41° |
| Tue, Feb 24 | ||||||
| 24:00 | ✓ | 100% | 22798m | 94% | 50% | 35° |
| 01:00 | ✓ | 100% | 6270m | 88% | 50% | 28° |
| 02:00 | ✓ | 100% | 635m | 82% | 50% | 21° |
| 03:00 | ✓ | 96% | 676m | 88% | 50% | 15° |
| 04:00 | ✓ | 86% | 15060m | 93% | 50% | 8.8° |
| 05:00 | ✓ | 93% | 18901m | 99% | 50% | 4° |
| 06:00 | ✓ | 100% | 18319m | 96% | 50% | 0.38° |
| 07:00 | ✓ | 100% | 23476m | 94% | 50% | -1.8° |
| 08:00 | ✓ | 100% | 14679m | 92% | 50% | -2.5° |
| 09:00 | ✓ | 100% | 247m | 94% | 50% | -1.7° |
| 10:00 | ✓ | 100% | 151m | 97% | 50% | 0.71° |
| 11:00 | ✓ | 100% | 179m | 99% | 50% | 4.5° |
| 12:00 | ✓ | 100% | 273m | 79% | 50% | 9.4° |
| 13:00 | ✓ | 100% | 308m | 59% | 50% | 15° |
| 14:00 | ✓ | 100% | 236m | 39% | 50% | 22° |
| 15:00 | ✓ | 100% | 215m | 45% | 50% | 29° |
| 16:00 | ✓ | 100% | 177m | 50% | 50% | 36° |
| 17:00 | ✓ | 100% | 243m | 56% | 61% | 43° |
| 18:00 | ✓ | 100% | 391m | 56% | 61% | 49° |
| 19:00 | ✓ | 80% | 2264m | 56% | 61% | 54° |
| 20:00 | ✓ | 100% | 3762m | 56% | 61% | 57° |
| 21:00 | ✓ | 100% | 5091m | 63% | 61% | 57° |
| 22:00 | ✓ | 84% | 5035m | 69% | 61% | 54° |
| 23:00 | ✓ | 100% | 9794m | 76% | 61% | 49° |
| Wed, Feb 25 | ||||||
| 24:00 | ✓ | 82% | 14574m | 74% | 61% | 43° |
| 01:00 | ✓ | 64% | 19355m | 71% | 61% | 37° |
| 02:00 | ✓ | 45% | 24135m | 69% | 61% | 30° |
| 03:00 | ✓ | 63% | 16471m | 73% | 61% | 23° |
| 04:00 | ✓ | 81% | 8806m | 77% | 61% | 16° |
| 05:00 | ✓ | 99% | 1142m | 82% | 61% | 11° |
| 06:00 | ✓ | 99% | 908m | 85% | 61% | 5.8° |
| 07:00 | ✓ | 100% | 675m | 88% | 61% | 2.2° |
| 08:00 | ✓ | 100% | 441m | 91% | 61% | -0.12° |
| 09:00 | ✓ | 100% | 346m | 93% | 61% | -0.94° |
| 10:00 | ✓ | 100% | 252m | 96% | 61% | -0.22° |
| 11:00 | ✓ | 100% | 157m | 99% | 61% | 2° |
| 12:00 | ✓ | 100% | 151m | 95% | 61% | 5.6° |
| 13:00 | ✓ | 100% | 146m | 92% | 61% | 10° |
| 14:00 | ✓ | 100% | 140m | 88% | 61% | 16° |
| 15:00 | ✓ | 100% | 538m | 90% | 61% | 22° |
| 16:00 | ✓ | 100% | 936m | 93% | 61% | 29° |
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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