Colorado River Near Grand Canyon, Az Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 10718.33
01-02 10465.45
01-03 10875.0
01-04 11176.36
01-05 11271.67
01-06 11130.0
01-07 11130.83
01-08 11469.17
01-09 11198.33
01-10 11253.33
01-11 11258.33
01-12 11137.5
01-13 10770.83
01-14 10973.33
01-15 10924.17
01-16 10925.83
01-17 10839.17
01-18 11026.36
01-19 10740.91
01-20 10720.0
01-21 11060.0
01-22 11002.73
01-23 10848.0
01-24 10819.09
01-25 10741.82
01-26 11001.0
01-27 10691.0
01-28 11132.73
01-29 11166.36
01-30 11470.0
01-31 10947.5
02-01 11161.67
02-02 10651.67
02-03 10185.0
02-04 10257.5
02-05 10215.83
02-06 10372.73
02-07 10169.09
02-08 10030.0
02-09 10129.17
02-10 10050.0
02-11 10150.0
02-12 10341.67
02-13 10260.83
02-14 10340.83
02-15 10368.33
02-16 10559.17
02-17 10056.36
02-18 10297.27
02-19 10273.64
02-20 10439.17
02-21 10972.14
02-22 10862.31
02-23 10911.54
02-24 10632.31
02-25 10540.83
02-26 10607.69
02-27 10810.0
02-28 10801.43
02-29 11300.0
03-01 10817.14
03-02 10373.57
03-03 10094.29
03-04 9926.43
03-05 9895.0
03-06 9957.86
03-07 9952.86
03-08 10257.69
03-09 10007.14
03-10 9875.0
03-11 9895.0
03-12 10109.29
03-13 10350.71
03-14 10011.43
03-15 10095.0
03-16 10169.29
03-17 9983.08
03-18 9450.0
03-19 10546.43
03-20 10243.85
03-21 9769.33
03-22 10055.71
03-23 10738.67
03-24 10731.33
03-25 10679.33
03-26 10779.33
03-27 10352.67
03-28 10156.67
03-29 10294.0
03-30 10351.33
03-31 10570.71
04-01 10132.67
04-02 9629.33
04-03 9670.0
04-04 9907.33
04-05 9948.0
04-06 10313.57
04-07 10076.0
04-08 10024.0
04-09 10060.0
04-10 10080.67
04-11 10149.33
04-12 10191.43
04-13 10012.86
04-14 10165.71
04-15 10028.33
04-16 9946.92
04-17 9970.77
04-18 10217.69
04-19 10224.62
04-20 10335.38
04-21 10002.14
04-22 10108.57
04-23 10018.57
04-24 9914.29
04-25 11695.38
04-26 11823.57
04-27 11684.29
04-28 11390.0
04-29 9782.86
04-30 9884.62
05-01 9962.67
05-02 10680.71
05-03 10800.71
05-04 10852.0
05-05 11013.33
05-06 10840.67
05-07 10668.67
05-08 10783.57
05-09 10976.43
05-10 10804.29
05-11 10712.67
05-12 10665.33
05-13 10668.0
05-14 10675.0
05-15 11312.31
05-16 11493.57
05-17 11355.71
05-18 11324.0
05-19 11217.33
05-20 11247.14
05-21 11127.33
05-22 11394.0
05-23 11350.0
05-24 11325.33
05-25 11260.0
05-26 11120.0
05-27 10972.0
05-28 10877.33
05-29 11007.33
05-30 10980.0
05-31 11152.0
06-01 11176.0
06-02 11246.0
06-03 11800.67
06-04 11808.67
06-05 11903.57
06-06 12515.71
06-07 12342.14
06-08 11795.33
06-09 11794.67
06-10 11692.0
06-11 11837.33
06-12 11722.14
06-13 12076.43
06-14 12292.14
06-15 12196.67
06-16 12043.33
06-17 11858.0
06-18 11937.33
06-19 12323.57
06-20 12369.29
06-21 12170.71
06-22 12313.57
06-23 12002.86
06-24 12103.57
06-25 12081.43
06-26 12487.14
06-27 12323.57
06-28 12843.57
06-29 12157.14
06-30 12220.0
07-01 12105.71
07-02 13034.29
07-03 13511.43
07-04 13326.15
07-05 12916.0
07-06 12815.33
07-07 13137.86
07-08 13304.29
07-09 13261.43
07-10 13818.67
07-11 13261.33
07-12 13164.29
07-13 13019.29
07-14 13016.67
07-15 13332.0
07-16 13237.86
07-17 13978.57
07-18 14088.46
07-19 13606.43
07-20 13487.86
07-21 13745.71
07-22 13707.69
07-23 13528.57
07-24 13514.29
07-25 13784.29
07-26 13621.43
07-27 13821.43
07-28 13855.71
07-29 14442.86
07-30 13800.0
07-31 13885.71
08-01 14266.67
08-02 13969.23
08-03 13350.0
08-04 13135.71
08-05 13221.43
08-06 13157.14
08-07 13157.14
08-08 13214.62
08-09 13133.85
08-10 13130.0
08-11 13135.71
08-12 13542.86
08-13 13053.85
08-14 13535.71
08-15 13135.71
08-16 12853.85
08-17 12800.0
08-18 13075.0
08-19 13030.77
08-20 13084.62
08-21 13207.69
08-22 13046.15
08-23 13014.29
08-24 13275.0
08-25 13246.15
08-26 13200.0
08-27 12992.86
08-28 13092.86
08-29 13085.71
08-30 12692.86
08-31 12430.77
09-01 12145.71
09-02 11080.71
09-03 10490.0
09-04 10256.43
09-05 10214.29
09-06 10195.71
09-07 10177.14
09-08 10095.0
09-09 9974.29
09-10 10120.71
09-11 9975.0
09-12 10441.43
09-13 10436.92
09-14 10160.0
09-15 10132.14
09-16 10066.92
09-17 10084.29
09-18 10195.0
09-19 10151.43
09-20 10159.29
09-21 10008.46
09-22 10161.43
09-23 10076.43
09-24 10084.29
09-25 10062.86
09-26 10160.0
09-27 10092.14
09-28 10065.0
09-29 10231.43
09-30 10066.15
10-01 10030.83
10-02 9674.62
10-03 9533.85
10-04 9320.77
10-05 9340.0
10-06 9267.86
10-07 9421.43
10-08 9450.71
10-09 9507.86
10-10 9805.71
10-11 9685.71
10-12 9540.0
10-13 9527.86
10-14 9380.71
10-15 9425.38
10-16 9433.08
10-17 9703.57
10-18 9604.29
10-19 9401.43
10-20 9342.31
10-21 9507.69
10-22 9170.71
10-23 9225.0
10-24 9341.43
10-25 9274.29
10-26 9160.77
10-27 9199.29
10-28 9051.54
10-29 8998.57
10-30 9089.29
10-31 9215.0
11-01 9276.15
11-02 9043.08
11-03 8840.0
11-04 8966.43
11-05 9100.71
11-06 8973.08
11-07 11468.46
11-08 11639.23
11-09 12556.15
11-10 11223.85
11-11 11309.23
11-12 13729.23
11-13 14123.08
11-14 13677.14
11-15 13437.14
11-16 12297.86
11-17 10132.14
11-18 9161.54
11-19 9336.15
11-20 10066.92
11-21 12089.29
11-22 12440.0
11-23 11450.77
11-24 10949.23
11-25 9620.77
11-26 9460.77
11-27 9550.0
11-28 9380.83
11-29 9566.67
11-30 9343.08
12-01 9280.0
12-02 10004.62
12-03 10934.62
12-04 11079.23
12-05 11037.69
12-06 10810.0
12-07 10997.69
12-08 11270.0
12-09 11135.0
12-10 11053.85
12-11 11040.0
12-12 11110.0
12-13 11095.38
12-14 11057.5
12-15 11079.17
12-16 10926.67
12-17 10952.5
12-18 11087.5
12-19 11163.33
12-20 11198.18
12-21 10914.55
12-22 11162.5
12-23 10942.5
12-24 11154.17
12-25 11025.83
12-26 10758.33
12-27 10927.5
12-28 11020.0
12-29 10718.18
12-30 10557.27
12-31 10711.67

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index