Table 29 U. S. Department of the Interior - Bureau of Reclamation Central Valley Operations Office Sacramento-San Joaquin Valley - Streamflow Data 2009 Mean monthly flow in cfs Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sacramento River Shasta computed inflow 3939 11945 17103 7695 9744 4597 3446 2953 2774 4353 3640 4711 At Keswick 3273 3257 3258 6121 8719 10785 12949 10752 6994 5871 4643 3287 At Bend Bridge 4505 8579 7509 6949 10429 10717 13042 11240 7223 6753 5827 4427 At Vina Bridge 4836 11673 10214 7024 9841 9401 10642 9477 6613 6202 5265 4647 At Ord Ferry 5049 14294 11351 6160 7896 7282 8332 7684 6101 5348 4886 4506 At Colusa 5200 13438 12694 6881 8081 7369 8394 7800 6231 5102 4660 4610 Below Wilkins Slough 5439 12409 12593 6121 6535 5620 6592 6877 6423 5101 4145 4897 At Verona 8904 19836 21171 11522 13696 10570 15752 13710 11300 9057 8468 9993 Sacramento at "I" Street 9748 19777 22727 14686 17215 12876 20112 16780 13280 11001 10264 11766 Miscellaneous Stations Folsom computed inflow 1467 4112 6547 4281 6828 2018 1267 1513 1687 1251 995 1632 American R at Nimbus Dam 827 790 1124 3267 3810 2821 4988 3453 1948 2011 1797 1777 Kings River at Pine Flat 124 115 480 1393 1631 5893 6212 2880 750 215 219 123 San Joaquin River At Friant Dam 118 95 128 156 201 208 225 223 196 346 393 122 Near Vernalis 1152 1499 1478 1536 2191 1311 710 595 884 1782 1362 1319 Putah Creek Berryessa computed inflow 37 1560 1069 93 148 -49 -24 -31 -13 36 -17 94 Putah Creek - Lake Solano 31 75 51 46 44 43 44 42 42 39 41 47 Stanislaus River New Melones computed inflow 652 1112 2099 1760 3229 1417 883 822 812 752 508 1048 At Tulloch Dam 190 254 852 1951 2105 1891 1952 1781 1619 873 304 241 At Orange Blossom 216 253 290 675 874 744 427 337 511 619 279 204 * Data supplied by Central Valley Operations Office Daily mean is derived from 7 am daily reading.