Table 29 U. S. Department of the Interior - Bureau of Reclamation Central Valley Operations Office Sacramento-San Joaquin Valley - Streamflow Data 2010 Mean monthly flow in cfs Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sacramento River Shasta computed inflow 15274 15110 10299 12190 9498 7894 4017 3496 3704 3683 4496 13525 At Keswick 3613 3316 3280 4492 8947 11807 12218 10139 7410 6097 5863 10037 At Bend Bridge 10999 10821 7229 9192 11138 13970 13058 10794 8176 7238 7435 17249 At Vina Bridge 16385 13426 8888 10782 10847 12739 10626 8917 6980 6715 7094 19314 At Ord Ferry 18682 15948 9973 11976 9656 10856 8374 6952 6287 6158 6450 19486 At Colusa 16250 17354 11512 12114 9690 10807 8019 6830 6400 5929 6304 18979 Below Wilkins Slough 13750 17150 12058 12601 8810 10407 7391 6504 7386 6581 7426 17193 At Verona 26425 26811 18148 17470 13519 16433 14694 15532 16233 11496 11435 35945 Sacramento at "I" Street 27649 28075 19568 18788 17892 21886 18228 17667 17532 13025 14023 45874 Miscellaneous Stations Folsom computed inflow 2592 3307 3641 6091 6497 6562 2039 1469 1427 1497 2077 11048 American R at Nimbus Dam 1547 1429 1180 1527 4653 5687 4087 2509 1543 1585 2706 12099 Kings River at Pine Flat 86 115 764 1585 4905 7262 7087 5196 2421 1151 138 150 San Joaquin River At Friant Dam 121 375 675 1212 1457 463 350 344 351 355 419 563 Near Vernalis 2081 2516 3027 4337 4910 3912 1876 1147 1713 2300 1908 6879 Putah Creek Berryessa computed inflow 2234 1007 822 947 252 109 27 15 18 53 64 1155 Putah Creek - Lake Solano 99 41 44 64 48 54 53 35 32 28 28 42 Stanislaus River New Melones computed inflow 1087 958 1191 1878 2273 3928 1334 898 917 889 865 2833 At Tulloch Dam 239 857 752 1776 1914 1681 1960 1821 1428 870 249 456 At Orange Blossom 242 706 349 1111 845 334 282 223 190 502 213 448 * Data supplied by Central Valley Operations Office Daily mean is derived from 7 am daily reading.