The Ladders
Period 96-98
Statistic   FLOW NFR BOD Grease&Oil TP        
n 729 45.0 39.0 7.0 3
Mean 3707 2.3 5.1 0.7 6
Std Dev 999 1.9 6.1 0.8 0
Min 2400 0.0 0.0 0.1 6
Max 15200 6.0 28.0 2.0 6
10%ile 3000 0.0 1.0 . .
25%ile 3200 0.0 2.0 0.1 .
50%ile 3500 2.0 3.0 0.1 6
75%ile 3900 4.0 5.0 1.5 .
80%ile 4100 4.0 6.0 . .
90%ile 4700 5.0 12.0 . .
95%ile 5400 6.0 25.0 . .        
Period 96-97
Statistic   FLOW NFR BOD Grease&Oil TP        
n 364 25.0 19.0 5.0 3.0
Mean 3564 2.4 2.8 0.9 6.0
Std Dev 1048 1.4 1.5 0.9 0.0
Min 2400 0.0 1.0 0.1 6.0
Max 15200 5.0 6.0 2.0 6.0
10%ile 2900 0.0 1.0 . .
25%ile 3100 2.0 2.0 0.1 .
50%ile 3300 2.0 2.0 1.0 6.0
75%ile 3700 3.0 4.0 1.5 .
80%ile 3900 4.0 4.0 . .
90%ile 4400 4.0 5.0 . .
95%ile 5100 5.0 . . .        
Period 97-98
Statistic   FLOW NFR BOD Grease&Oil TP        
n 365 20.0 20.0 2.0
Mean 3850 2.2 7.3 0.1
Std Dev 928 2.4 7.8 0.0
Min 2500 0.0 0.0 0.1
Max 10900 6.0 28.0 0.1
10%ile 3100 0.0 0.5 .
25%ile 3300 0.0 2.0 .
50%ile 3600 1.5 4.0 0.1
75%ile 4000 4.0 11.5 .
80%ile 4300 4.5 12.0 .
90%ile 5000 6.0 19.5 .
95%ile 5700 6.0 26.5 .