Weather Blog

Late season snow statistics for Seattle

Late season snow statistics for Seattle
Snow in Everett, Feb. 22, 2011, taken by KOMO News Radio reporter Hanna Scott.

Fresh off the blog earlier this week from Jason Phelps documenting previous Seattle snows in February, the National Weather Service has issued this statement giving statistics for late season snows in Seattle:

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SEATTLE WA
645 AM PST TUE FEB 22 2011

..LATE SEASON SNOW STATS FOR SEATTLE...

THE FOLLOWING ARE SOME LATE SEASON SNOW STATISTICS FOR SEATTLE FROM
THE RECORDS AT SEATTLE TACOMA AIRPORT WHICH STARTED KEEPING RECORDS
IN 1945. THE FOLLOWING RECORDS ARE BASED ON 24 HOUR TOTALS ENDING AT
MIDNIGHT.

NUMBER OF DAYS 1 INCH OR MORE SNOWFALL FEBRUARY 20TH OR LATER...35.
 ( APPROXIMATELY ONCE EVERY TWO YEARS )

NUMBER OF THOSE DAYS THAT OCCURRED IN A LA NINA YEAR...18.

NUMBER OF DAYS 2 INCHES OR MORE SNOWFALL FEBRUARY 20TH OR LATER...18.

NUMBER OF DAYS 3 INCHES OR MORE SNOWFALL FEBRUARY 20TH OR LATER...8.

TOP 10 DAILY SNOWFALL RECORDS FOR FEBRUARY 20TH OR LATER AT
SEATTLE-TACOMA AIRPORT.

1.  7.0 INCHES FEBRUARY 28TH 1962
2.  6.0 INCHES MARCH 1ST 1989
3.  5.3 INCHES MARCH 8TH 1951
4.  4.7 INCHES MARCH 3RD 1960
5.  4.5 INCHES MARCH 3RD 1955
6.  3.1 INCHES FEBRUARY 22ND 1957
7.  3.0 INCHES FEBRUARY 23RD 1956
              MARCH 3RD 1951
9.  2.5 INCHES MARCH 3RD 1966
10. 2.3 INCHES MARCH 20TH 1966

LAST TIME SEATTLE-TACOMA AIRPORT GOT 1 INCH OR MORE OF SNOW FEBRUARY
20TH OR LATER...MARCH 9TH 2009.

LAST TIME SEATTLE-TACOMA AIRPORT GOT 2 INCHES OR MORE OF SNOW
FEBRUARY 20TH OR LATER...MARCH 9TH 2009.

LAST TIME SEATTLE-TACOMA AIRPORT GOT 3 INCHES OR MORE OF SNOW
FEBRUARY 20TH OR LATER...MARCH 1ST 1989.