YEAR Monthly mean streamflow, in ft3/s
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
   
1897                 655 323 883 1,999
1898 2,307 3,293 1,750 1,786 3,686 835 512 796 295 611 1,820 2,462
1899 2,417 2,106 5,311 2,406 547 259 276 246 291 251 668 545
1900 1,256 3,716 2,980 1,179 1,261 410 214 157 168 143 225 313
1901 463 178 2,511 4,134 2,328 1,236 312 2,228 897 341 448 2,243
1902 2,780 1,638 6,639 2,203 780 406 505 1,065 885 4,546 2,511 4,497
1903 2,398 2,674 3,982 3,337 488 1,713 860 960 747 5,613 894 1,583
1904 1,087 1,350 2,821 1,466 580 495 206 556 1,096 944 767 531
1905 2,448 813 3,676 1,660 432 265 131 271 845 435 269 1,941
1906 1,766 780 2,218 3,044 1,046 1,107 902 856 212 371 516 706
1907 1,640 417 2,864 1,628 1,573 807 233 148 781 1,863 4,757 3,680
1908 3,286 3,487 3,115 1,182 3,169 1,123 342 364 184 207 240 385
1909 926 2,463 2,215 3,021 1,883 513 187 295 142 129 179 622
1910 1,548 1,805 3,006 2,414 1,543 1,258 211 155 141 108 325 286
1911 848 928 1,428 2,280 473 906 204 254 558 1,563 1,598 1,397
1912 587 1,000 4,343 2,311 1,774 423 151 248 288 527 1,359 1,259
1913 2,879 901 3,524 2,997 1,169 345 120 95.8 123 1,115 1,325 1,081
1914 1,487 1,409 2,567 2,898 1,692 265 303 143 78.2 98.4 308 977
1915 3,416 3,696 1,221 1,327 685 209 260 1,816 420 453 503 1,449
1916 2,376 1,903 2,122 2,975 1,212 1,266 797 609 175 149 189 708
1917 1,302 682 2,431 1,683 1,054 798 340 75.4 63.8 299 327 286
1918 460 2,217 2,474 1,620 1,005 488 135 105 117 57.1 148 695
1919 993 955 2,818 1,805 1,746 332 1,923 1,411 1,085 926 1,722 1,713
1920 600 487 6,086 3,182 1,474 788 1,213 1,288 613 1,188 1,142 2,708
1921 1,713 1,169 3,396 1,968 1,791 257 395 366 89.5 61 269 595
1922 190 1,235 3,074 1,986 1,734 1,340 1,363 374 457 152 129 235
1923 1,500 626 3,270 1,334 1,069 425 66.4 30.4 69.2 385 400 1,548
1924 2,266 993 1,625 3,894 2,839 656 563 117 241 655 230 521
1925 224 3,161 2,805 1,146 743 292 336 614 179 374 1,468 1,827
1926 735 1,564 2,893 1,611 388 176 172 623 925 689 2,176 1,128
1927 1,265 1,653 2,145 870 1,533 708 690 2,223 2,321 2,087 2,970 2,853
1928 1,105 2,541 1,660 1,870 1,306 1,323 1,968 1,636 1,351 268 245 373
1929 1,034 947 2,819 2,550 2,038 357 114 78.2 152 437 567 1,017
1930 1,137 1,016 1,756 1,233 447 579 265 110 124 44.5 506 315
1931 563 803 1,252 1,836 1,719 1,797 701 213 171 62.4 79.2 276
1932 947 1,010 1,076 1,966 591 166 139 47.9 32.4 518 3,580 1,091
1933 1,190 1,499 2,651 3,550 1,274 556 278 1,175 3,139 696 361 532
1934 1,650 364 1,958 3,019 1,579 789 193 131 1,081 1,530 982 1,818
1935 1,440 1,457 1,925 1,137 440 282 565 118 235 132 1,244 913
1936 2,053 651 6,755 2,965 825 654 198 170 152 464 278 1,754
1937 2,668 2,091 1,550 1,938 1,729 517 296 596 538 525 1,837 1,687
1938 2,023 1,860 1,230 1,429 716 1,011 2,542 1,181 2,068 836 737 2,455
1939 1,422 2,944 3,055 3,534 871 249 188 187 125 163 371 234
1940 536 587 2,452 3,878 1,643 1,937 513 293 828 363 1,560 1,348
1941 1,281 1,807 1,576 1,806 335 371 581 222 97.9 104 256 784
1942 716 1,474 2,771 1,137 545 295 348 2,859 1,081 1,369 1,864 1,950
1943 2,111 2,007 2,437 1,190 1,315 821 277 109 136 642 1,454 317
1944 874 1,074 2,446 2,832 1,032 312 96.5 76.5 261 99.6 776 1,407
1945 1,005 882 3,057 1,298 2,474 956 3,124 1,617 1,361 641 1,395 2,506
1946 2,107 618 1,663 773 1,860 1,743 907 544 576 636 287 382
1947 990 728 2,025 2,018 2,764 1,618 810 370 205 175 2,119 683
1948 662 1,306 3,036 2,219 2,247 1,750 713 553 90.3 118 267 634
1949 3,557 1,836 1,275 1,666 1,153 175 120 80.4 140 126 123 375
1950 510 1,219 1,686 1,016 872 827 588 173 182 187 750 2,607
1951 1,613 2,572 2,501 3,668 856 787 520 786 182 465 2,139 2,499
1952 2,626 2,287 3,285 3,169 2,298 2,919 648 785 1,266 239 1,172 2,167
1953 2,806 1,690 3,668 3,350 1,652 379 241 75.2 54.8 113 201 1,019
1954 412 604 1,265 712 1,342 159 60.3 123 837 217 1,403 1,555
1955 817 1,174 1,633 890 417 306 123 2,664 350 3,045 2,130 448
1956 371 1,419 1,661 2,625 1,298 392 474 177 463 266 951 1,524
1957 622 992 1,235 2,375 550 152 89.7 47.8 126 110 164 1,802
1958 2,033 1,166 3,129 3,459 2,239 290 206 180 231 789 755 852
1959 601 664 1,274 1,187 563 451 205 459 264 751 866 1,629
1960 1,695 2,072 1,103 2,624 927 351 413 1,200 2,057 547 519 595
1961 827 1,755 3,510 3,147 1,373 398 390 357 180 151 290 442
1962 834 443 2,298 1,713 312 221 116 182 195 418 1,018 620
1963 427 440 2,197 454 375 203 170 103 96.6 91 579 466
1964 1,458 951 1,136 1,642 609 273 181 64.2 28.9 73.6 114 354
1965 250 1,062 497 364 227 84.6 61.6 99.5 106 230 130 205
1966 230 957 1,296 331 627 189 88.5 66.2 418 470 519 565
1967 1,042 1,029 3,138 1,435 1,564 374 611 1,248 291 394 540 1,826
1968 824 979 1,943 840 1,482 3,338 333 177 195 150 384 726
1969 398 448 1,512 1,327 603 512 585 1,534 526 337 761 1,276
1970 489 2,912 904 2,756 572 344 195 221 120 311 1,120 598
1971 531 1,953 3,104 1,383 875 401 223 1,332 3,561 903 1,372 1,557
1972 967 1,201 3,064 1,399 2,628 4,290 1,923 270 230 447 3,206 3,337
1973 1,836 3,787 1,590 3,508 2,424 1,092 1,805 983 274 364 707 3,391
1974 1,813 1,196 1,656 3,009 1,213 624 221 337 995 611 492 1,700
1975 1,806 1,700 2,409 1,351 1,340 1,372 2,567 749 1,956 2,413 1,661 1,065
1976 1,913 2,269 1,219 1,174 933 481 764 378 315 738 472 515
1977 283 864 3,549 2,026 703 465 156 199 366 636 2,414 2,477
1978 2,960 1,184 3,000 1,878 2,530 776 273 853 336 184 288 903
1979 4,039 1,598 3,245 1,717 2,224 1,256 255 366 1,336 1,064 1,199 1,088
1980 926 368 2,674 4,249 1,535 350 229 147 80.8 135 200 111
1981 104 1,282 423 548 1,404 324 332 134 215 234 224 606
1982 1,274 1,593 869 1,603 934 1,486 536 337 229 184 394 434
1983 916 1,257 4,318 5,760 1,736 1,343 281 202 136 521 968 3,731
1984 905 1,998 2,373 5,445 2,127 2,533 2,473 359 248 299 376 638
1985 458 675 478 228 564 514 256 213 438 555 1,560 1,474
1986 1,164 2,163 1,828 2,399 756 511 338 913 289 249 1,363 2,190
1987 1,298 796 1,481 3,623 798 339 573 459 901 901 1,109 1,131
1988 654 1,471 1,230 452 1,630 403 622 336 293 154 1,131 460
1989 522 504 623 1,611 4,554 1,636 627 410 1,163 1,818 1,351 407
1990 1,047 1,742 1,046 1,276 2,556 1,069 562 1,448 391 1,067 979 2,056
1991 1,747 1,035 1,883 1,418 1,012 217 228 295 328 153 336 601
1992 591 386 1,099 955 451 2,095 460 459 421 206 1,023 1,666
1993 1,607 846 2,684 3,671 670 154 126 162 189 168 270 1,487
1994 825 1,665 3,473 2,775 910 222 537 506 182 97 319 730
1995 1,253 640 1,296 474 303 141 319 131 78.6 519 2,217 516
1996 2,716 2,312 1,995 2,338 1,568 657 1,404 319 513 2,363 1,127 4,255
1997 1,358 1,479 1,308 2,304 1,227 288 375 316 300 122 401 663
1998 1,744 2,090 2,136 2,252 2,824 1,462 259 145 143 201 56.5 44.8
1999 1,053 852 2,106 936 411 64.5 67.6 168 2,219 656 588 802
2000 695 944 1,486 1,452 1,057 1,113 797 1,390 418