Size data for Chinook salmon caught in the Tengu Derby and Puget Sound commercial purse seine fisheries

The tengu_derby_size.csv file contains information on the following fields (columns):

1. year
2. members (number of anglers who participated in the derby; not all anglers fished each day the derby was open)
3. n_over_10 (total number of Chinok salmon greater than 10 pounds)
4. n_over_5 (total number of Chinok salmon greater than 5 pounds)
5. size_1 (mass in kg of the largest fish landed)
6. size_2 (mass in kg of the second largest fish landed)
7. size_3 (mass in kg of the third largest fish landed)
8. size_4 (mass in kg of the fourth largest fish landed)
9. size_5 (mass in kg of the fifth largest fish landed) 

The wdfw_size.csv file contains the following fields (columns):

1. year
2. mass (mean mass in kg of natural- and hatchery-origin Chinook salmon combined)