Table 29 U. S. Department of the Interior - Bureau of Reclamation Central Valley Operations Office Sacramento-San Joaquin Valley - Streamflow Data 2008 Mean monthly flow in cfs Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sacramento River Shasta computed inflow 9428 At Keswick 3738 At Bend Bridge 9255 At Vina Bridge 14841 At Ord Ferry 15268 At Colusa 13966 Below Wilkins Slough 13140 At Verona 19013 Sacramento at "I" Street 21080 Miscellaneous Stations Folsom computed inflow 2034 American R at Nimbus Dam 1055 Kings River at Pine Flat 109 San Joaquin River At Friant Dam 104 Near Vernalis 2622 Putah Creek Berryessa computed inflow 1950 Putah Creek - Lake Solano 120 Stanislaus River New Melones computed inflow 777 At Tulloch Dam 229 At Orange Blossom 387 * Data supplied by Central Valley Operations Office Daily mean is derived from 7 am daily reading.