Also, here are the daily numbers for King County, WA (Seattle), per @KCPubHealth:
— Nate Silver (@NateSilver538) March 19, 2020
3/8: 12
3/9: 33
3/10: 74
3/11: 44*
3/12: 36
3/13: 58
3/14: 60
3/15: 32
3/16: 68
3/17: 30
3/18: 44
* Having trouble tracking down 3/11 so the number is imputed based on the cumulative case count.