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USGS Surface-Water Monthly Statistics for Utah
The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.
San Juan County, Utah Hydrologic Unit Code 14080205
Latitude 37°09'02.44", Longitude 109°52'00.08"
NAD83
Drainage area 23,000 square miles Gage datum 4,046.22 feet above NAVD88 |
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00060, Discharge, cubic feet per second, | |||||||||||||
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YEAR | Monthly mean in ft3/s (Calculation Period: 1914-11-01 -> 2020-11-30) | ||||||||||||
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
1914 | 1,578 | 1,018 | |||||||||||
1915 | 1,014 | 2,328 | 2,230 | 8,037 | 9,269 | 10,090 | 6,485 | 1,663 | 1,050 | 940.9 | 667.3 | 636.5 | |
1916 | 1,307 | 1,402 | 6,209 | 7,573 | 9,338 | 10,520 | 5,161 | 7,126 | 2,589 | ||||
1917 | 1,371 | 5,915 | 9,108 | 13,980 | 8,475 | 2,878 | 1,868 | ||||||
1927 | 6,092 | 11,020 | 10,070 | 6,558 | 1,991 | 11,870 | 3,179 | 2,092 | 971.1 | ||||
1928 | 971.7 | 1,473 | 2,159 | 2,610 | 6,829 | 5,181 | 1,436 | 895.5 | 712.6 | 1,384 | 754.2 | ||
1929 | 612.8 | 875.1 | 2,460 | 5,652 | 9,515 | 8,579 | 3,891 | 9,335 | 7,379 | 2,201 | 1,067 | 672.3 | |
1930 | 476.4 | 1,262 | 1,247 | 4,438 | 4,400 | 5,718 | 2,597 | 4,022 | 434.7 | 556.9 | 553.6 | 409.9 | |
1931 | 335.5 | 905.2 | 615.5 | 1,327 | 3,388 | 3,334 | 1,163 | 853.7 | 1,290 | 2,546 | 1,135 | 740.5 | |
1932 | 571.6 | 3,604 | 3,354 | 7,910 | 10,410 | 9,268 | 4,157 | 3,490 | 1,629 | 802.5 | 635.9 | 432.7 | |
1933 | 470.5 | 866.4 | 1,191 | 1,093 | 2,759 | 7,378 | 2,158 | 647.3 | 2,214 | 1,613 | 619.4 | 665.6 | |
1934 | 566.5 | 576.3 | 694.9 | 1,829 | 2,456 | 576.9 | 264.4 | 460.3 | 615.2 | 353.8 | 344.7 | 437.7 | |
1935 | 652.6 | 897.9 | 1,241 | 4,264 | 6,073 | 12,780 | 4,851 | 2,069 | 2,266 | 1,115 | 692.1 | 520 | |
1936 | 590.3 | 871.7 | 2,236 | 5,305 | 6,905 | 3,212 | 664.2 | 2,530 | 2,309 | 1,080 | 1,208 | 781.6 | |
1937 | 402.8 | 2,530 | 3,139 | 9,018 | 10,960 | 5,572 | 2,661 | 624.7 | 795.7 | 1,453 | 613.3 | 597.1 | |
1938 | 592.1 | 849.5 | 3,047 | 6,415 | 7,899 | 11,480 | 3,772 | 802.9 | 3,377 | 1,746 | 967.8 | 769.8 | |
1939 | 699.8 | 615.2 | 2,313 | 3,208 | 5,098 | 2,694 | 268.8 | 80.4 | 2,040 | 630.3 | 615.2 | 476 | |
1940 | 638 | 867.5 | 1,207 | 2,105 | 4,696 | 2,121 | 527.2 | 693 | 1,925 | 2,372 | 1,119 | 1,323 | |
1941 | 1,265 | 2,281 | 3,436 | 6,594 | 21,520 | 15,380 | 8,554 | 2,827 | 3,398 | 10,650 | 3,210 | 1,699 | |
1942 | 1,319 | 1,219 | 2,051 | 10,120 | 7,791 | 8,961 | 2,445 | 825.3 | 638.9 | 606.4 | 652 | 702.4 | |
1943 | 704.5 | 884.6 | 1,545 | 4,931 | 5,392 | 4,265 | 1,725 | 1,481 | 1,047 | 948.6 | 983.1 | 831.2 | |
1944 | 607.5 | 850.7 | 1,232 | 3,425 | 10,410 | 11,840 | 4,604 | 992 | 1,114 | 1,224 | 866.3 | 695.2 | |
1945 | 664.7 | 1,130 | 1,168 | 3,300 | 7,419 | 6,335 | 2,077 | 1,558 | 361.4 | 1,008 | 777 | 491.1 | |
1946 | 601.1 | 647 | 762.6 | 1,591 | 2,035 | 3,427 | 1,030 | 1,224 | 742.1 | 894.2 | 1,012 | 741.8 | |
1947 | 500.1 | 813.9 | 835.5 | 1,143 | 5,350 | 4,638 | 1,783 | 4,773 | 2,090 | 3,362 | 1,296 | 1,064 | |
1948 | 851.7 | 1,370 | 1,456 | 6,023 | 8,442 | 10,130 | 2,390 | 1,393 | 596.8 | 1,219 | 923.8 | 670.3 | |
1949 | 1,024 | 1,331 | 2,479 | 5,687 | 8,184 | 12,570 | 5,555 | 1,466 | 694.3 | 912.1 | 750.4 | 562.1 | |
1950 | 670.5 | 878 | 915 | 2,282 | 2,754 | 3,211 | 1,112 | 237.1 | 701.7 | 487.6 | 415.7 | 527.9 | |
1951 | 483.4 | 527.5 | 547.6 | 573.2 | 2,301 | 3,169 | 489.6 | 803.1 | 753.9 | 572.6 | 652.1 | 580.8 | |
1952 | 1,431 | 701.9 | 1,413 | 7,604 | 10,040 | 12,930 | 3,873 | 1,354 | 947.9 | 610.8 | 683.7 | 705.8 | |
1953 | 686.5 | 640.3 | 904.3 | 1,802 | 2,541 | 4,494 | 1,248 | 1,154 | 200.3 | 876 | 923.1 | 560.5 | |
1954 | 525.5 | 646.1 | 780.4 | 1,895 | 3,543 | 2,015 | 1,947 | 1,071 | 1,500 | 1,552 | 659.4 | 563.4 | |
1955 | 499.6 | 609.2 | 1,024 | 1,050 | 3,030 | 3,498 | 1,053 | 2,317 | 463.2 | 399.6 | 519.5 | 576.3 | |
1956 | 658.3 | 591.3 | 1,212 | 1,792 | 3,918 | 3,418 | 510 | 578.5 | 64.5 | 205.4 | 495.7 | 408.5 | |
1957 | 610.9 | 1,157 | 1,150 | 2,875 | 5,317 | 13,220 | 9,212 | 5,913 | 2,392 | 2,443 | 2,375 | 1,427 | |
1958 | 860.3 | 2,135 | 2,591 | 6,943 | 12,080 | 8,525 | 1,201 | 689.6 | 1,031 | 766 | 724.8 | 585.9 | |
1959 | 494.7 | 559.8 | 525.7 | 649 | 1,798 | 2,613 | 299.5 | 1,042 | 182.4 | 1,494 | 1,378 | 754 | |
1960 | 596.8 | 754.2 | 4,227 | 5,649 | 4,630 | 6,425 | 1,491 | 299.5 | 285.4 | 942.8 | 665 | 644.4 | |
1961 | 561.7 | 735 | 1,074 | 2,636 | 4,641 | 3,815 | 702.7 | 1,423 | 1,838 | 1,592 | 1,210 | 709.7 | |
1962 | 581.3 | 1,685 | 1,188 | 5,289 | 5,630 | 4,986 | 1,423 | 381.3 | 443.8 | 1,690 | 763.6 | 538.7 | |
1963 | 409.7 | 704.1 | 647 | 1,082 | 1,549 | 784.9 | 236 | 788.6 | 1,169 | 660.6 | 791.2 | 786.3 | |
1964 | 713.3 | 518.8 | 463.4 | 499.6 | 1,666 | 2,033 | 1,846 | 2,142 | 934.5 | 594.1 | 709.1 | 979.3 | |
1965 | 1,976 | 2,158 | 1,388 | 2,773 | 4,685 | 7,044 | 4,801 | 3,541 | 2,973 | 3,098 | 3,899 | 3,821 | |
1966 | 3,220 | 2,325 | 3,240 | 4,243 | 4,337 | 2,132 | 871.2 | 711 | 714.2 | 1,531 | 1,174 | 1,168 | |
1967 | 949 | 1,156 | 1,291 | 518.7 | 1,263 | 1,498 | 639.2 | 2,451 | 1,570 | 500 | 633.2 | 635.7 | |
1968 | 579.3 | 932.2 | 811.4 | 1,396 | 2,401 | 4,044 | 1,330 | 2,866 | 691.9 | 915 | 820.7 | 733.7 | |
1969 | 1,347 | 2,358 | 2,331 | 3,628 | 4,403 | 3,997 | 3,292 | 1,645 | 1,976 | 3,382 | 1,985 | 1,775 | |
1970 | 1,220 | 2,335 | 1,886 | 823.3 | 2,277 | 2,326 | 1,203 | 1,066 | 5,173 | 2,305 | 2,294 | 2,428 | |
1971 | 2,672 | 2,594 | 1,643 | 1,158 | 1,402 | 2,070 | 1,071 | 1,753 | 865.2 | 1,619 | 994.9 | 1,793 | |
1972 | 1,939 | 1,904 | 1,943 | 1,086 | 1,319 | 1,985 | 277.8 | 497.7 | 946.7 | 5,514 | 1,611 | 1,629 | |
1973 | 1,774 | 3,210 | 2,885 | 4,378 | 7,898 | 7,790 | 6,478 | 3,607 | 3,273 | 2,156 | 2,256 | 2,288 | |
1974 | 2,163 | 1,661 | 1,682 | 1,096 | 1,720 | 1,161 | 638.4 | 405.8 | 420 | 1,219 | 1,183 | 900.5 | |
1975 | 956.9 | 908.2 | 1,817 | 2,670 | 4,791 | 6,670 | 5,877 | 2,396 | 2,171 | 1,736 | 1,721 | 1,879 | |
1976 | 1,574 | 1,416 | 1,279 | 883.2 | 2,905 | 3,029 | 846.7 | 778.4 | 1,102 | 831.8 | 798 | 1,333 | |
1977 | 1,360 | 989.3 | 683.3 | 398.8 | 339.3 | 556.1 | 940.2 | 1,318 | 562.4 | 633.5 | 857.9 | 789.8 | |
1978 | 939.4 | 1,094 | 1,645 | 1,848 | 2,526 | 3,420 | 1,021 | 250.4 | 496.2 | 665.8 | 1,313 | 1,238 | |
1979 | 1,515 | 2,392 | 3,672 | 9,637 | 10,330 | 10,330 | 6,718 | 2,312 | 662.3 | 1,024 | 897.8 | 2,044 | |
1980 | 2,420 | 3,362 | 3,595 | 4,782 | 6,011 | 6,348 | 2,004 | 1,232 | 1,784 | 1,371 | 1,747 | 1,600 | |
1981 | 1,890 | 1,373 | 986.5 | 654 | 980.1 | 1,825 | 1,789 | 860.6 | 1,431 | 1,852 | 1,075 | 986.2 | |
1982 | 1,058 | 1,144 | 1,469 | 2,203 | 3,580 | 4,287 | 2,254 | 3,236 | 2,690 | 1,647 | 1,568 | 1,979 | |
1983 | 2,340 | 2,459 | 3,905 | 4,985 | 5,351 | 5,973 | 4,254 | 2,339 | 1,175 | 1,879 | 1,387 | 1,645 | |
1984 | 2,114 | 2,774 | 2,774 | 2,901 | 5,516 | 3,671 | 2,136 | 2,326 | 1,808 | 2,245 | 2,100 | 2,412 | |
1985 | 2,386 | 3,031 | 3,680 | 6,483 | 8,211 | 8,700 | 3,261 | 1,481 | 2,434 | 1,972 | 3,200 | 3,384 | |
1986 | 3,374 | 2,716 | 2,559 | 4,032 | 4,294 | 5,938 | 6,159 | 3,190 | 3,667 | 3,312 | 4,435 | 3,768 | |
1987 | 3,329 | 3,683 | 4,723 | 6,878 | 7,296 | 9,026 | 4,945 | 1,723 | 1,045 | 1,138 | 2,203 | 1,215 | |
1988 | 1,159 | 1,536 | 1,482 | 1,769 | 1,821 | 2,552 | 1,033 | 1,816 | 1,520 | 1,031 | 1,153 | 1,166 | |
1989 | 1,119 | 1,374 | 1,727 | 1,768 | 1,630 | 1,289 | 770.5 | 1,134 | 476.8 | 916 | 904.7 | 849.8 | |
1990 | 746.9 | 828.6 | 797.7 | 626.3 | 1,585 | 1,963 | 917.1 | 909.7 | 1,151 | 1,625 | 1,171 | 1,007 | |
1991 | 1,051 | 1,552 | 1,177 | 1,681 | 3,351 | 2,470 | 805.1 | 648.5 | 1,470 | 715 | 1,476 | 1,185 | |
1992 | 859 | 1,475 | 1,203 | 3,290 | 6,267 | 4,582 | 1,621 | 1,018 | 1,219 | 883.8 | 1,011 | 993.7 | |
1993 | 2,049 | 2,272 | 5,731 | 6,358 | 6,828 | 7,123 | 1,784 | 1,192 | 1,456 | 1,052 | 1,158 | 1,064 | |
1994 | 1,045 | 843.7 | 1,079 | 926.7 | 4,672 | 6,044 | 1,958 | 528.4 | 976.5 | 1,143 | 1,121 | 1,031 | |
1995 | 1,005 | 1,183 | 2,965 | 3,292 | 5,743 | 8,734 | 4,150 | 1,579 | 1,349 | 1,122 | 1,179 | 1,063 | |
1996 | 737.8 | 796.8 | 737.5 | 597.5 | 1,970 | 2,869 | 796.7 | 475.4 | 859.5 | 1,518 | 980 | 767.8 | |
1997 | 830.6 | 813 | 2,548 | 2,671 | 5,619 | 7,986 | 2,354 | 2,493 | 2,756 | 1,563 | 1,210 | 1,210 | |
1998 | 1,344 | 1,402 | 1,380 | 1,714 | 5,533 | 4,190 | 1,567 | 1,158 | 698.8 | 1,817 | 1,745 | 1,051 | |
1999 | 957.9 | 942.6 | 862.7 | 1,086 | 3,092 | 5,613 | 2,797 | 5,721 | 4,707 | 1,261 | 910.6 | 884.8 | |
2000 | 879.3 | 842.3 | 977.8 | 1,763 | 2,325 | 2,175 | 405.2 | 663.5 | 779.3 | 1,202 | 993.7 | 838.9 | |
2001 | 811.6 | 879.6 | 1,118 | 1,369 | 4,448 | 4,694 | 825.8 | 1,417 | 622.8 | 800.4 | 802.1 | 813.8 | |
2002 | 796.8 | 699.1 | 665.1 | 527.6 | 634.6 | 478.8 | 380.2 | 441 | 1,878 | 759.7 | 770.7 | 679.5 | |
2003 | 583.8 | 589.6 | 737.6 | 551.1 | 1,395 | 1,320 | 512.6 | 693.2 | 2,321 | 804.9 | 702.7 | 523.8 | |
2004 | 490.4 | 515.7 | 946 | 1,771 | 2,225 | 1,579 | 538.6 | 387.4 | 1,305 | 1,070 | 952.4 | 771.3 | |
2005 | 1,403 | 1,785 | 1,320 | 3,210 | 7,376 | 6,033 | 1,595 | 1,086 | 930.9 | 1,564 | 1,032 | 796.5 | |
2006 | 740.1 | 637.3 | 664.3 | 950.3 | 2,174 | 2,982 | 1,143 | 1,491 | 1,184 | 3,193 | 1,151 | 941.9 | |
2007 | 930.8 | 1,251 | 1,405 | 1,408 | 4,963 | 2,869 | 1,112 | 1,781 | 1,442 | 1,289 | 1,112 | 1,370 | |
2008 | 1,510 | 3,122 | 4,674 | 3,852 | 4,383 | 6,468 | 1,645 | 826.1 | 966.6 | 777.9 | 914.7 | 898.2 | |
2009 | 876.3 | 845.6 | 911 | 1,031 | 4,124 | 3,077 | 864 | 588.4 | 613.7 | 605 | 809.3 | 841.7 | |
2010 | 1,006 | 993.2 | 1,168 | 1,424 | 1,767 | 1,799 | 888 | 1,689 | 1,184 | 1,037 | 807.1 | 829.5 | |
2011 | 804.1 | 808.5 | 796.4 | 766 | 1,160 | 4,576 | 1,553 | 693 | 1,051 | 1,004 | 787.2 | 744.6 | |
2012 | 707.2 | 709.9 | 887.6 | 1,216 | 2,350 | 897.2 | 883.3 | 787.3 | 797.8 | 636.6 | 615.4 | 609.5 | |
2013 | 541.1 | 561.3 | 529.6 | 554.8 | 1,213 | 583.6 | 712.4 | 1,362 | 3,092 | 839.1 | 839.9 | 599.8 | |
2014 | 503.5 | 578.7 | 653.9 | 806.5 | 1,381 | 2,114 | 698.3 | 1,028 | 1,039 | 1,059 | 845 | 835.4 | |
2015 | 733 | 903.3 | 1,192 | 680.8 | 1,337 | 4,668 | 1,941 | 1,659 | 878 | 1,334 | 901.3 | 706.1 | |
2016 | 797.8 | 1,100 | 999.6 | 954.5 | 3,026 | 6,538 | 1,732 | 1,779 | 771.2 | 769.8 | 851.1 | 796.7 | |
2017 | 979.1 | 1,173 | 1,565 | 2,019 | 4,960 | 7,065 | 1,573 | 1,084 | 761.7 | 1,049 | 782.8 | 685.5 | |
2018 | 646.4 | 574.5 | 506.5 | 537.7 | 886.5 | 623.6 | 702.1 | 504 | 471.2 | 667.3 | 613.8 | 523.5 | |
2019 | 579.7 | 803.8 | 1,831 | 1,920 | 2,564 | 6,280 | 3,435 | 1,550 | 1,209 | 702.8 | 745.8 | 969.1 | |
2020 | 799.2 | 719.5 | 742.5 | 642.9 | 1,756 | 1,537 | 726.9 | 534.3 | 606.1 | 598.7 | 654.8 | ||
Mean of monthly Discharge |
1,060 | 1,330 | 1,730 | 3,000 | 4,750 | 5,180 | 2,260 | 1,650 | 1,550 | 1,440 | 1,150 | 1,040 | |
** No Incomplete data have been used for statistical calculation |