Analyse @NWSBayArea's tweets
@NWSBayArea
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On this day 1972 San Francisco set record low max 37 F (2nd coldest) after a record low min 30 F. Archived pattern attached-Classic cold, sharp ridge AK to deep trough CA and NV with very little over ocean temp modification. SF all time rec low max & min 35 F & 27 F Dec 11, 1932. https://t.co/cfhFWJo6Br