Photography is the one outdoor activity where perfectly clear skies are not automatically best, and the score is built to reflect how photographers actually see the weather. A cloudless blue sky can be flat and uninteresting in a landscape photograph, while some cloud adds drama, texture and depth, and diffuses harsh sunlight into softer, more flattering light. The score therefore rewards a sky with interesting cloud rather than penalising all cloud the way a stargazing or beach score would. What it does penalise is flat, featureless grey overcast and, above all, rain that keeps cameras indoors, so the ideal it rewards is a dynamic, partly cloudy sky over a dry day.
The single most important thing in photography is light, and while the score captures the conditions, the timing is something you add yourself. The most prized natural light comes at the golden hour, the period shortly after sunrise and before sunset, when the sun is low and the light turns warm, soft and directional, casting long shadows and flattering everything it touches. The blue hour just before sunrise and after sunset offers a cool, ethereal light prized for cityscapes. A high weather score during these windows is the photographer's dream, so the best approach is to combine a good score with shooting near dawn or dusk rather than in the harsh, flat light of midday.
The score weighs visibility because haze, mist and murk reduce clarity and mute distant detail, though photographers know that the same conditions can occasionally be a gift, with mist and fog creating mood and atmosphere that a clear day never could. Wind is factored in modestly, as it affects long exposures, blurs foliage and makes tripod work harder, though it can also animate clouds and water beautifully. This is the paradox the score tries to honour: the very conditions that seem like bad weather, dramatic skies, mist, breaking storms, shafts of light through cloud, often make the most memorable photographs, which is why a photographer sees opportunity where others see a spoiled day.
Use the score as a guide to comfortable, workable shooting conditions, then bring the photographer's eye that turns weather into art. A high score with interesting cloud and good visibility is a fine day to head out, especially around golden hour. But do not dismiss the lower-scoring days entirely, because breaking storms, dramatic light and atmospheric mist are the stuff of remarkable images for those willing to brave them and protect their gear. Watch the sky as much as the number: the moment after a rain shower when the sun breaks through, or the mist rising off water at dawn, are exactly the fleeting conditions that reward the photographer who is out there ready to catch them.