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Windy with a passing shower
Mostly sunny and cool
Intervals of clouds and sun
of sunlight, then sets at
of moolight, then sets at
There hasn't been any measurable precipitation in San Francisco since April 4. more >
Apr 19, 2014; 5:00 AM ET
Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?