PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
258 PM MDT TUE MAY 31 2011


...RECORD SETTING MAY PRECIPITATION IN BILLINGS (AIRPORT)...

ACTUAL MAY 2011 PRECIPITATION...9.54 INCHES
  AVERAGE MAY PRECIPITATION.....2.48 INCHES

MONTHLY DEPARTURE FROM AVERAGE..7.06 INCHES

WETTEST MAY ON RECORD - OLD RECORD 7.71 INCHES 1981
 2. 6.97 INCHES 1978
 3. 4.93 INCHES 1942

JAN 1 - MAY 31 2011 OBSERVED PRECIPITATION...12.99 INCHES
 THIS IS THE SECOND WETTEST START TO A YEAR ON RECORD

 THE WETTEST START TO A YEAR THROUGH MAY 31 WAS 1978 WITH 15.07
  INCHES.

AVERAGE PRECIPITATION FROM JUNE 1 THROUGH DECEMBER 31...8.04 INCHES

 IF AVERAGE PRECIPITATION OCCURS THROUGH THE REMAINDER OF 2011
  BILLINGS WOULD RECEIVE 21.03 INCHES WHICH WOULD BE THE THIRD
  WETTEST YEAR ON RECORD.

 THE WETTEST YEAR ON RECORD WAS 1978 WITH 26.81 INCHES OF PRECIPITATION.
  THE SECOND WETTEST YEAR WAS 1957 WITH 21.22 INCHES.

 IF NO FURTHER PRECIPITATION OCCURS IN 2011 THIS YEAR WOULD RANK 46TH
  OUT OF 78 YEARS AND WOULD BE JUST BELOW THE AVERAGE OF 14.77.

 IF THE MAY PRECIPITATION WAS ADDED TO THE AVERAGE PRECIPITATION
  FROM JUNE THROUGH DECEMBER IT WOULD EQUAL THE 12TH WETTEST YEAR
  ON RECORD.