Table 9.1 Percentiles for light attenuation coefficient kj (m 1 ) calculated using continuous 
(1999-2003) and cruise (1998-2006) data sets from the Yaquina Estuary for dry and wet 
seasons. 
Percentiles for Light Attenuation Coefficient kj (nf') 
Data set 
Sample Size 
25 lh 
50 th 
75 lh 
Zone 1 
Yaquina 
Dry 
Continuous 
0.62 
0.78 
1.00 
678 
Cruise 
Wet 
0.56 
0.72 
0.94 
541 
Continuous 
0.55 
0.74 
0.89 
505 
Cruise 
0.53 
0.66 
0.87 
248 
Zone 2 
Yaquina 
Dry 
Continuous 
1.14 
1.53 
2.26 
376 
Cruise 
Wet 
1.09 
1.32 
1.72 
439 
Continuous 
0.97 
1.20 
1.54 
247 
Cruise 
0.95 
1.20 
1.54 
178 
Table 9.2 Percentiles for TSS (mg f') calculated using Yaquina (1998-2004), Classification 
(2004-2005), and NCA (1999-2000) data sets. NCA and Classification values are for dry 
season only, while both dry and wet season values are provided for the Yaquina Estuary. 
Data set 
Percentiles for TSS (mg f') 
Sample Size 
25 th 
50 lh 
75 th 
Zone 1 
Yaquina 
Dry 
3.0 
6.3 
9.6 
102 
Wet 
3.7 
6.6 
12.2 
56 
Classification 
4.6 
6.7 
10.8 
66 
NCA 
10.4 
14.0 
16.0 
36 
NCA excluding Columbia 
11.0 
14.0 
16.1 
33 
Zone 2 
Yaquina 
Dry 
6.9 
11.2 
19.6 
83 
Wet 
6.6 
12.3 
34.7 
35 
Classification 
1.4 
3.8 
8.2 
83 
NCA 
4.0 
6.0 
10.4 
91 
NCA excluding Columbia 
5.0 
9.0 
11.8 
27 
64 
