Overview Realtime Historical Map View
Freeze Warning
2026-10-24T10:00:00-07:00

* WHAT...Sub-freezing temperatures expected. * WHERE...North Oregon Coast Range Lowlands, Benton County Lowlands, Lane County Lowlands, and Linn County Lowlands. * WHEN...From 11 PM this evening to 10 AM PDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Long Tom River At Monroe, 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 1769.92
01-02 1732.27
01-03 1358.09
01-04 1726.75
01-05 1808.5
01-06 1612.83
01-07 1434.91
01-08 1402.5
01-09 1361.73
01-10 1409.5
01-11 1317.5
01-12 1260.58
01-13 1371.55
01-14 1447.0
01-15 1426.5
01-16 1376.09
01-17 1510.46
01-18 1695.0
01-19 2068.62
01-20 1935.77
01-21 1695.75
01-22 1448.25
01-23 1850.42
01-24 1681.77
01-25 1754.17
01-26 1540.17
01-27 1566.85
01-28 1631.0
01-29 1590.0
01-30 1421.64
01-31 1275.07
02-01 1220.36
02-02 1114.23
02-03 971.57
02-04 872.36
02-05 711.29
02-06 683.33
02-07 702.62
02-08 666.75
02-09 594.21
02-10 656.08
02-11 633.15
02-12 698.21
02-13 779.07
02-14 636.29
02-15 792.31
02-16 863.64
02-17 973.08
02-18 960.54
02-19 942.86
02-20 892.0
02-21 826.71
02-22 783.57
02-23 723.07
02-24 1068.64
02-25 1248.5
02-26 953.0
02-27 816.57
02-28 782.07
02-29 555.0
03-01 1038.0
03-02 1132.43
03-03 1078.64
03-04 967.5
03-05 915.93
03-06 915.36
03-07 902.5
03-08 787.57
03-09 726.94
03-10 782.64
03-11 761.29
03-12 671.8
03-13 705.73
03-14 893.19
03-15 913.33
03-16 1119.05
03-17 1109.37
03-18 1013.5
03-19 915.93
03-20 735.64
03-21 880.67
03-22 1036.07
03-23 988.27
03-24 973.8
03-25 886.73
03-26 794.93
03-27 685.92
03-28 708.27
03-29 853.74
03-30 930.6
03-31 949.65
04-01 818.81
04-02 885.99
04-03 837.29
04-04 691.65
04-05 662.33
04-06 654.64
04-07 652.07
04-08 959.67
04-09 563.46
04-10 825.4
04-11 866.33
04-12 958.43
04-13 880.14
04-14 712.86
04-15 574.09
04-16 602.05
04-17 562.33
04-18 578.04
04-19 570.03
04-20 548.04
04-21 591.95
04-22 549.45
04-23 539.09
04-24 463.66
04-25 464.81
04-26 475.17
04-27 475.98
04-28 471.66
04-29 384.94
04-30 299.69
05-01 383.78
05-02 304.21
05-03 291.5
05-04 357.03
05-05 358.15
05-06 345.51
05-07 387.99
05-08 393.24
05-09 355.89
05-10 348.45
05-11 312.57
05-12 285.09
05-13 291.51
05-14 303.36
05-15 340.45
05-16 334.21
05-17 301.25
05-18 253.39
05-19 255.52
05-20 258.72
05-21 205.64
05-22 200.84
05-23 201.07
05-24 185.47
05-25 170.12
05-26 163.17
05-27 150.36
05-28 146.09
05-29 149.65
05-30 136.13
05-31 124.2
06-01 130.31
06-02 129.13
06-03 126.26
06-04 117.87
06-05 144.89
06-06 147.68
06-07 119.36
06-08 112.57
06-09 92.7
06-10 86.95
06-11 107.1
06-12 139.35
06-13 141.27
06-14 114.01
06-15 94.49
06-16 88.24
06-17 80.59
06-18 78.44
06-19 78.93
06-20 70.94
06-21 66.07
06-22 71.01
06-23 68.34
06-24 64.26
06-25 61.08
06-26 61.01
06-27 70.21
06-28 68.13
06-29 64.28
06-30 56.06
07-01 56.25
07-02 54.98
07-03 54.81
07-04 51.52
07-05 51.72
07-06 47.65
07-07 44.04
07-08 43.68
07-09 39.98
07-10 43.34
07-11 43.74
07-12 43.04
07-13 39.77
07-14 38.46
07-15 39.06
07-16 41.24
07-17 42.57
07-18 43.15
07-19 45.01
07-20 41.17
07-21 39.81
07-22 44.23
07-23 44.15
07-24 42.69
07-25 40.84
07-26 44.32
07-27 42.68
07-28 42.08
07-29 44.63
07-30 45.06
07-31 42.77
08-01 46.31
08-02 43.68
08-03 45.24
08-04 45.64
08-05 49.28
08-06 46.86
08-07 42.68
08-08 39.66
08-09 37.51
08-10 44.84
08-11 45.83
08-12 44.91
08-13 42.41
08-14 44.12
08-15 42.39
08-16 40.49
08-17 40.96
08-18 39.41
08-19 41.37
08-20 40.16
08-21 40.23
08-22 39.98
08-23 43.49
08-24 46.53
08-25 41.0
08-26 40.7
08-27 44.14
08-28 40.63
08-29 44.08
08-30 44.37
08-31 46.35
09-01 45.47
09-02 46.81
09-03 46.13
09-04 48.57
09-05 47.64
09-06 49.05
09-07 56.32
09-08 56.62
09-09 52.99
09-10 50.41
09-11 55.88
09-12 72.2
09-13 70.7
09-14 74.08
09-15 71.92
09-16 71.81
09-17 79.01
09-18 107.19
09-19 120.61
09-20 115.79
09-21 104.74
09-22 94.23
09-23 94.49
09-24 106.07
09-25 100.33
09-26 133.74
09-27 128.81
09-28 124.28
09-29 170.31
09-30 202.94
10-01 122.57
10-02 208.7
10-03 318.96
10-04 431.69
10-05 569.83
10-06 643.54
10-07 616.78
10-08 624.37
10-09 623.46
10-10 651.76
10-11 738.46
10-12 740.77
10-13 736.44
10-14 753.21
10-15 777.86
10-16 768.83
10-17 819.26
10-18 863.66
10-19 895.06
10-20 859.42
10-21 885.92
10-22 875.01
10-23 934.13
10-24 983.62
10-25 982.29
10-26 977.46
10-27 974.07
10-28 970.38
10-29 959.64
10-30 952.29
10-31 954.54
11-01 937.69
11-02 911.29
11-03 903.77
11-04 934.79
11-05 936.64
11-06 923.23
11-07 948.0
11-08 917.31
11-09 891.46
11-10 887.0
11-11 896.83
11-12 890.85
11-13 830.23
11-14 784.29
11-15 801.09
11-16 767.07
11-17 734.85
11-18 627.0
11-19 580.08
11-20 559.8
11-21 572.14
11-22 584.85
11-23 504.3
11-24 558.7
11-25 560.65
11-26 655.89
11-27 736.41
11-28 622.22
11-29 674.51
11-30 518.19
12-01 507.58
12-02 600.59
12-03 660.59
12-04 807.05
12-05 824.48
12-06 775.44
12-07 912.33
12-08 935.54
12-09 940.75
12-10 951.77
12-11 949.77
12-12 1050.77
12-13 955.75
12-14 906.92
12-15 839.62
12-16 901.0
12-17 983.17
12-18 788.45
12-19 1320.69
12-20 1400.67
12-21 1905.23
12-22 1816.25
12-23 1919.69
12-24 1962.77
12-25 1936.69
12-26 1687.18
12-27 1829.17
12-28 1662.0
12-29 1618.27
12-30 1448.0
12-31 1691.18

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index