That's because of an arrangement between recreational companies and the Sacramento Municipal Utility District.
SMUD has agreed to release water flows for hydro-electric generation at times when rafters are out on the water, primarily on the weekends.
Scott Armstrong owns All-Outdoors California Whitewater Rafting.
On Capital Public Radio's Insight today, Armstrong said weekday rafting could be a little too calm...
"...There will be water on weekends, there'll be water at good flows. It'll be a little bit less than it has been in the last couple of years. But because of the agreement and because of what SMUD has to release anyway for hydro-power, we will have good recreational flows."
~Scott Armstrong, All-Outdoors California Whitewater Rafting
Armstrong predicts flows will be strongest from mid-June through Labor Day Weekend.
If a flood were to hit Twitchell Island in the Sacramento-San Joaquin Delta it would threaten much of California’s water supply. It’s why emergency management agencies are holding flood-fighting exercises during a drought.
UC Davis researchers have identified 'high priority' dams in California where releasing water may be a key for the survival of native fish species.
California Governor Jerry Brown says the state can lead the way with its water policies just as California is leading the way with initiatives for renewable energy and climate change.
A winter forecast from NOAA's Climate Prediction Center Thursday shows the California drought may persist or intensify in parts of the state.
The Center for Biological Diversity filed notice of intent to sue the U.S. Fish and Wildlife Service Tuesday for not responding to a petition to protect 16 amphibian and reptile species in California