As the sun drops below the horizon, the last warm light fades and the sky shifts into the early blue hour. Even though this isn’t the deep, vivid blue that sometimes appears, the softer color has a simple cause: thin clouds and moisture in the air scatter the remaining light in different directions. Instead of forming a strong, uniform blue, the sky settles into a gentler mix of fading daylight and early evening tones. What you’re seeing is a natural, quieter version of the blue hour shaped by the atmosphere on this particular evening.

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Another one of Nature's little quirks caused by atmospheric conditions. Neither a strong sunset, nor a uniform, true cobalt blue hour. Something in between that shows the Nature World still can have beauty no matter what she does.