VERSION 0.0: FEBRUARY 1996

VERSION 1.0: JANUARY 1997

VERSION 2.0: FEBRUARY 1998

VERSION 3.0: DECEMBER 1999

VERSION 4.0: NOVEMBER 2000

VERSION 4.1: FEBRUARY 2001

VERSION 4.2: JULY 2002

1. Add Probability plot option to Graph program and Log-Pearson Type III probability distribution option.

2. Add Low Flow probability option, which actually provides mechanism to develop annual series of low or high flows averaged over a specified number of days. You can optionally handle missing values and use data only within a specified range of months. This is primarily used for performing 7Q10 calculations.

3. Created a PCS project from period-of-record data in Georgia which includes permit limits and DMR data. The master tables are optimized.

VERSION 4.3: OCTOBER 2002

VERSION 4.4: MARCH 2003

VERSION 4.5: APRIL 2004

WRDB Revision History: