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ward movement and will begin to move slowly southward again,” Dr. Knappenberger explained.
June 21 is the day of the year with the longest period of sunlight. The sun will rise and set further north than at any other time of the year. Since the sun remains above our horizon longer, temperatures rise in the northern hemisphere.
At midday on June 21, the sun will be at its highest point in Virginia skies, approximately 76 degrees above the southern horizon. In the land above the Arctic circle, the sun will not set on this day, but will remain above the horizon producing the phenomena of the "midnight sun.”
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