Grande Ronde River At Troy, Or 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 1532.55
01-02 1480.4
01-03 1463.82
01-04 1644.5
01-05 1767.22
01-06 1737.4
01-07 1801.0
01-08 1952.27
01-09 1870.0
01-10 1770.82
01-11 1684.27
01-12 1747.3
01-13 1682.09
01-14 1921.55
01-15 1790.0
01-16 1740.8
01-17 1831.27
01-18 1797.45
01-19 2168.82
01-20 2258.91
01-21 2253.5
01-22 2481.5
01-23 2275.0
01-24 2180.91
01-25 2156.67
01-26 2202.73
01-27 2370.91
01-28 2256.15
01-29 2404.62
01-30 2401.54
01-31 2475.77
02-01 2466.92
02-02 2476.15
02-03 2713.85
02-04 2745.38
02-05 3362.73
02-06 2958.33
02-07 5151.67
02-08 3954.55
02-09 3558.85
02-10 3412.77
02-11 3026.15
02-12 2902.67
02-13 2971.15
02-14 3183.33
02-15 3365.0
02-16 3649.17
02-17 3311.82
02-18 3187.27
02-19 2940.38
02-20 2753.08
02-21 2195.38
02-22 2468.46
02-23 3003.85
02-24 3188.57
02-25 3404.55
02-26 3353.08
02-27 3182.86
02-28 2989.29
02-29 3475.0
03-01 2983.57
03-02 3038.57
03-03 3266.43
03-04 3635.0
03-05 3639.29
03-06 3842.86
03-07 4133.57
03-08 3820.0
03-09 3578.57
03-10 4232.86
03-11 4550.71
03-12 4115.0
03-13 4275.71
03-14 4502.14
03-15 5117.86
03-16 5297.14
03-17 5596.43
03-18 5169.29
03-19 6075.33
03-20 5766.43
03-21 5492.67
03-22 5746.43
03-23 5807.33
03-24 5768.0
03-25 6184.0
03-26 5893.33
03-27 6014.0
03-28 5881.33
03-29 5972.0
03-30 6548.67
03-31 6697.86
04-01 6258.67
04-02 6120.67
04-03 5906.0
04-04 5783.33
04-05 5714.67
04-06 5693.08
04-07 5820.67
04-08 7062.67
04-09 5853.33
04-10 7350.67
04-11 7159.33
04-12 7202.14
04-13 6860.71
04-14 6894.62
04-15 6400.0
04-16 6248.46
04-17 5950.83
04-18 5980.77
04-19 5971.54
04-20 6181.54
04-21 6447.86
04-22 6502.14
04-23 6612.14
04-24 6923.57
04-25 7170.0
04-26 7109.29
04-27 7239.29
04-28 7052.86
04-29 6785.0
04-30 6657.86
05-01 6705.33
05-02 6352.86
05-03 6183.57
05-04 6400.67
05-05 6015.0
05-06 6783.33
05-07 6995.33
05-08 6863.57
05-09 6883.33
05-10 6721.43
05-11 6665.33
05-12 6646.67
05-13 6664.67
05-14 6134.62
05-15 6840.77
05-16 7179.29
05-17 7681.43
05-18 7316.0
05-19 6971.33
05-20 7348.57
05-21 7036.67
05-22 6934.67
05-23 6947.33
05-24 6656.0
05-25 6486.0
05-26 6240.67
05-27 6386.67
05-28 6262.67
05-29 6245.33
05-30 6473.33
05-31 6484.0
06-01 6270.0
06-02 6266.0
06-03 6273.33
06-04 6289.33
06-05 6282.14
06-06 6517.14
06-07 6417.14
06-08 5879.29
06-09 5848.0
06-10 5610.0
06-11 5308.67
06-12 5511.43
06-13 5552.86
06-14 5625.71
06-15 5068.0
06-16 4796.0
06-17 4581.33
06-18 4351.33
06-19 4562.14
06-20 4405.0
06-21 4297.14
06-22 4105.71
06-23 3939.29
06-24 3960.71
06-25 3710.0
06-26 3656.93
06-27 3634.29
06-28 3600.36
06-29 3633.36
06-30 3580.14
07-01 3343.21
07-02 3170.57
07-03 2996.93
07-04 2890.15
07-05 2678.6
07-06 2499.2
07-07 2454.64
07-08 2394.36
07-09 2262.07
07-10 2055.73
07-11 2025.07
07-12 1947.71
07-13 1752.57
07-14 1762.93
07-15 1675.71
07-16 1515.31
07-17 1474.29
07-18 1476.31
07-19 1323.07
07-20 1232.43
07-21 1145.93
07-22 1126.15
07-23 1078.54
07-24 980.14
07-25 922.86
07-26 889.0
07-27 845.21
07-28 811.14
07-29 779.79
07-30 777.62
07-31 732.43
08-01 720.58
08-02 737.31
08-03 734.14
08-04 702.93
08-05 690.0
08-06 673.57
08-07 652.23
08-08 666.17
08-09 670.42
08-10 656.75
08-11 627.92
08-12 616.54
08-13 619.31
08-14 605.23
08-15 604.62
08-16 588.83
08-17 572.75
08-18 576.18
08-19 573.67
08-20 560.25
08-21 561.42
08-22 571.82
08-23 595.38
08-24 596.17
08-25 577.33
08-26 553.69
08-27 555.08
08-28 564.69
08-29 557.69
08-30 544.71
08-31 539.85
09-01 543.43
09-02 542.0
09-03 537.07
09-04 544.43
09-05 534.79
09-06 548.21
09-07 558.29
09-08 556.29
09-09 556.07
09-10 555.64
09-11 554.0
09-12 549.43
09-13 541.0
09-14 550.71
09-15 555.57
09-16 554.5
09-17 560.14
09-18 570.86
09-19 577.79
09-20 609.36
09-21 615.43
09-22 623.0
09-23 614.64
09-24 616.07
09-25 609.79
09-26 612.43
09-27 621.0
09-28 627.21
09-29 636.93
09-30 675.0
10-01 753.33
10-02 726.85
10-03 718.08
10-04 717.67
10-05 694.57
10-06 693.64
10-07 696.57
10-08 704.07
10-09 703.14
10-10 712.93
10-11 718.79
10-12 746.86
10-13 736.57
10-14 752.21
10-15 790.08
10-16 762.92
10-17 785.29
10-18 788.5
10-19 771.54
10-20 775.31
10-21 777.38
10-22 814.23
10-23 857.57
10-24 851.36
10-25 837.07
10-26 800.54
10-27 880.57
10-28 834.38
10-29 868.64
10-30 1017.57
10-31 950.31
11-01 955.43
11-02 947.23
11-03 960.38
11-04 938.14
11-05 1029.79
11-06 1197.92
11-07 1111.31
11-08 1076.77
11-09 1033.46
11-10 991.46
11-11 971.54
11-12 945.62
11-13 967.31
11-14 966.85
11-15 960.08
11-16 971.93
11-17 970.31
11-18 984.0
11-19 1002.25
11-20 1012.46
11-21 1040.21
11-22 1055.08
11-23 967.42
11-24 976.83
11-25 960.33
11-26 1239.77
11-27 1321.18
11-28 1214.25
11-29 1184.31
11-30 1173.62
12-01 1121.15
12-02 1249.23
12-03 1615.17
12-04 1335.31
12-05 1336.43
12-06 1310.25
12-07 1266.54
12-08 1337.15
12-09 1284.92
12-10 1639.31
12-11 1660.58
12-12 1558.46
12-13 1497.64
12-14 1449.36
12-15 1372.0
12-16 1304.82
12-17 1311.33
12-18 1276.92
12-19 1344.23
12-20 1743.18
12-21 1775.91
12-22 2262.6
12-23 2013.91
12-24 1806.91
12-25 1701.83
12-26 1696.0
12-27 1667.82
12-28 1807.55
12-29 1829.6
12-30 1715.4
12-31 1766.09

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index