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The sky appears blue to the human eye as the short waves of blue light are scattered more than the other colours in the spectrum, making the blue light more visible.
What are crepuscular rays? Learn more about how they form.
'March winds and April showers bring forth May flowers'
When snow or icy roads are forecast you should adjust your driving to suit the conditions and take extra care.
Please note that when changing units, only forecasts and maps will be affected.