THE ESTIMATED NUMBER OF FISH THAT PASSED THE YORK HAVEN HYDROELECTRIC PROJECT THROUGH THE SEPENTINE VERTICAL NOTCH LADDER AT THE EAST CHANNEL DAM, 12 MAY TO 18 MAY, 2002.
                   
DATE 12-May 13-May 14-May 15-May* 16-May* 17-May 18-May
  SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY Total for the Week Total for the Year
   
Hours of passage 6.0 6.0 5.5 5.3 22.83 82.18
Water Tempurature (F) 63.7 62.8 59.6 57.0
                   
American Shad 118 139 24 - - 1 - 282 629
Alewife 0 0 0 - - 0 - 0 1
Blueback herring 0 0 0 - - 0 - 0 0
Gizzard shad 771 1115 975 - - 4431 - 7292 27398
Hickory shad 0 0 0 - - 0 - 0 0
Striped bass 2 0 1 - - 0 - 3 4
White perch 0 0 0 - - 0 - 0 0
American eel 0 0 0 - - 0 - 0 0
Other Fish 3677 2024 1096 - - 243 - 7040 28362
Total 4568 3278 2096 - - 4675 - 14617 56394
                   
River flow at Harrisburg exceeded 150,000 cfs, viewing temporarily terminated but fishway set to allow fish to pass.