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Air Quality Alert
None

The Oregon Department of Environmental Quality has issued an Air Quality Advisory, which is IN EFFECT UNTIL NOON PDT WEDNESDAY for eastern Marion County. An Air Quality Advisory for Smoke has been issued for eastern Marion County. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels at times through noon Wednesday. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. More information about air quality can be found at: www.orcaa.org www.swcleanair.gov www.oregon.gov/DEQ www.lrapa.org

North Santiam River Near Jefferson, Oreg. 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 5538.33
01-02 5588.18
01-03 5132.5
01-04 5205.83
01-05 5393.64
01-06 5443.33
01-07 5840.0
01-08 5572.5
01-09 5380.0
01-10 5927.27
01-11 5202.5
01-12 4770.0
01-13 5399.09
01-14 4816.36
01-15 4464.55
01-16 4251.82
01-17 4489.17
01-18 5271.67
01-19 6633.08
01-20 7337.69
01-21 5996.67
01-22 5480.77
01-23 5381.67
01-24 6366.15
01-25 6261.54
01-26 6005.83
01-27 5691.67
01-28 5902.31
01-29 6390.77
01-30 5925.71
01-31 5813.57
02-01 5342.14
02-02 5342.86
02-03 4832.14
02-04 4259.29
02-05 4054.29
02-06 4209.23
02-07 4563.08
02-08 4228.33
02-09 3915.71
02-10 3606.43
02-11 3277.69
02-12 3355.0
02-13 4065.38
02-14 3133.57
02-15 3593.57
02-16 3542.14
02-17 3129.23
02-18 3431.54
02-19 3460.77
02-20 3745.71
02-21 3560.0
02-22 3466.43
02-23 3831.43
02-24 4749.29
02-25 4169.17
02-26 3550.0
02-27 3241.43
02-28 3175.0
02-29 3082.5
03-01 3767.86
03-02 3485.0
03-03 3493.57
03-04 3596.43
03-05 3293.57
03-06 3615.0
03-07 3474.29
03-08 3379.29
03-09 3218.57
03-10 3711.43
03-11 3419.29
03-12 3261.43
03-13 3829.29
03-14 3945.0
03-15 4007.86
03-16 4535.71
03-17 4448.57
03-18 3891.43
03-19 4145.33
03-20 3797.14
03-21 4130.67
03-22 4457.86
03-23 4088.67
03-24 3978.0
03-25 4113.33
03-26 3974.0
03-27 3890.0
03-28 3989.33
03-29 4316.0
03-30 4562.67
03-31 5292.14
04-01 4262.0
04-02 3936.67
04-03 3762.0
04-04 3562.0
04-05 3557.33
04-06 3602.14
04-07 3810.0
04-08 4554.0
04-09 3717.69
04-10 3945.33
04-11 4025.33
04-12 4482.86
04-13 4081.43
04-14 4055.0
04-15 3950.0
04-16 3834.62
04-17 3711.67
04-18 3467.69
04-19 3323.85
04-20 3386.15
04-21 3203.57
04-22 3050.71
04-23 2945.0
04-24 3129.29
04-25 3861.54
04-26 3885.71
04-27 4435.0
04-28 4495.71
04-29 4135.0
04-30 3600.71
05-01 3765.33
05-02 3201.43
05-03 3142.86
05-04 3511.33
05-05 3636.0
05-06 3822.0
05-07 4054.67
05-08 4015.0
05-09 3846.0
05-10 3871.43
05-11 3689.33
05-12 3590.0
05-13 3376.67
05-14 3266.92
05-15 3710.0
05-16 3946.43
05-17 3772.86
05-18 3452.67
05-19 3300.0
05-20 3061.43
05-21 2922.67
05-22 2824.0
05-23 2910.67
05-24 2803.33
05-25 2819.33
05-26 2728.67
05-27 2625.33
05-28 2705.33
05-29 2586.67
05-30 2697.27
05-31 2696.0
06-01 2436.0
06-02 2208.8
06-03 2169.53
06-04 2110.0
06-05 2170.64
06-06 2300.07
06-07 2344.57
06-08 2189.43
06-09 2222.47
06-10 2307.4
06-11 2398.93
06-12 2684.43
06-13 2618.07
06-14 2550.21
06-15 2213.67
06-16 2155.47
06-17 2043.33
06-18 1967.07
06-19 1974.0
06-20 1904.64
06-21 1826.29
06-22 1710.5
06-23 1671.07
06-24 1654.14
06-25 1637.64
06-26 1553.93
06-27 1527.79
06-28 1539.36
06-29 1545.64
06-30 1490.71
07-01 1462.71
07-02 1414.43
07-03 1328.71
07-04 1323.38
07-05 1260.8
07-06 1226.27
07-07 1206.93
07-08 1193.64
07-09 1177.64
07-10 1159.93
07-11 1160.93
07-12 1151.86
07-13 1111.21
07-14 1097.2
07-15 1077.27
07-16 1054.21
07-17 1007.4
07-18 1019.29
07-19 968.4
07-20 941.4
07-21 912.4
07-22 889.64
07-23 877.67
07-24 881.93
07-25 877.47
07-26 866.93
07-27 853.53
07-28 831.8
07-29 819.27
07-30 832.93
07-31 814.93
08-01 799.54
08-02 805.0
08-03 784.27
08-04 781.33
08-05 787.07
08-06 783.0
08-07 792.4
08-08 790.0
08-09 800.21
08-10 785.86
08-11 782.2
08-12 772.93
08-13 770.8
08-14 780.87
08-15 776.0
08-16 767.21
08-17 767.71
08-18 786.77
08-19 773.14
08-20 767.14
08-21 769.21
08-22 791.23
08-23 781.6
08-24 793.36
08-25 788.21
08-26 782.8
08-27 770.27
08-28 765.33
08-29 772.53
08-30 771.4
08-31 779.07
09-01 859.21
09-02 1002.07
09-03 1040.71
09-04 1079.5
09-05 1102.0
09-06 1164.43
09-07 1202.64
09-08 1194.07
09-09 1191.07
09-10 1154.77
09-11 1188.64
09-12 1220.71
09-13 1197.15
09-14 1222.57
09-15 1257.93
09-16 1276.64
09-17 1297.36
09-18 1385.93
09-19 1422.21
09-20 1468.07
09-21 1533.57
09-22 1510.77
09-23 1482.14
09-24 1522.14
09-25 1525.0
09-26 1565.71
09-27 1571.43
09-28 1766.43
09-29 2020.0
09-30 2343.85
10-01 2290.83
10-02 2243.85
10-03 2124.62
10-04 2166.67
10-05 2015.0
10-06 2124.29
10-07 2087.86
10-08 2302.14
10-09 2261.21
10-10 2305.0
10-11 2382.14
10-12 2715.71
10-13 2538.57
10-14 2864.29
10-15 2643.85
10-16 2712.54
10-17 2720.92
10-18 2783.79
10-19 2911.15
10-20 3070.31
10-21 3466.54
10-22 3788.93
10-23 3841.14
10-24 3371.86
10-25 3366.29
10-26 3144.08
10-27 3542.86
10-28 3483.08
10-29 3942.86
10-30 4042.86
10-31 3586.92
11-01 4047.14
11-02 4213.85
11-03 4006.15
11-04 3617.86
11-05 4480.0
11-06 4037.69
11-07 4101.54
11-08 4113.08
11-09 3989.23
11-10 4024.62
11-11 3979.23
11-12 4538.46
11-13 4656.92
11-14 4535.0
11-15 4281.43
11-16 4352.86
11-17 4346.43
11-18 4793.08
11-19 4596.92
11-20 4972.31
11-21 5176.43
11-22 4964.62
11-23 5020.0
11-24 4836.15
11-25 4868.46
11-26 5049.29
11-27 5436.67
11-28 5400.77
11-29 5510.0
11-30 5014.29
12-01 4657.86
12-02 4603.57
12-03 5167.69
12-04 5734.29
12-05 5680.71
12-06 5489.23
12-07 5347.86
12-08 6020.0
12-09 5312.31
12-10 5924.29
12-11 5624.29
12-12 5583.57
12-13 5874.29
12-14 4885.0
12-15 4437.69
12-16 4289.17
12-17 4211.67
12-18 5654.17
12-19 6513.08
12-20 5048.33
12-21 7778.33
12-22 7109.17
12-23 5701.54
12-24 7057.69
12-25 7186.15
12-26 6940.0
12-27 6642.5
12-28 6310.0
12-29 6702.73
12-30 6053.64
12-31 6840.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index