The first Spring Chinook Salmon of the season passed over the Winchester Dam today at 7:50pm! In 2023, the first Spring Chinook Salmon didn't pass over the Winchester Dam until April 16th at 1:27 pm. Photos: 1 - The moment the Spring Chinook quickly passed through the Winchester Dam. 2 - Better screen shot of the Spring Chinook when it first arrived about an hr and a half before it passed through. 3 - Screen shot of the first Spring Chinook that passed over the Winchester Dam in 2023