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Air Quality Alert
None

The Oregon Department of Environmental Quality, have continued 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.oregon.gov/DEQ

Silver Creek At Silverton, Oreg. Historical Data

Historical Data


Streamflow Range


Date Average 2020 2019 2018 2017 2016 2015
01-01 229.33
01-02 243.33
01-03 214.5
01-04 193.33
01-05 204.0
01-06 207.67
01-07 352.5
01-08 285.0
01-09 386.0
01-10 252.33
01-11 349.0
01-12 464.0
01-13 425.0
01-14 388.0
01-15 298.33
01-16 332.0
01-17 299.5
01-18 370.5
01-19 385.0
01-20 464.25
01-21 378.5
01-22 422.5
01-23 420.0
01-24 562.5
01-25 588.67
01-26 524.33
01-27 425.0
01-28 516.0
01-29 606.25
01-30 604.5
01-31 451.0
02-01 382.67
02-02 387.0
02-03 329.5
02-04 318.5
02-05 257.33
02-06 287.0
02-07 286.33
02-08 284.0
02-09 283.67
02-10 250.67
02-11 217.0
02-12 326.5
02-13 313.0
02-14 282.0
02-15 402.67
02-16 393.0
02-17 444.5
02-18 476.0
02-19 377.0
02-20 342.33
02-21 302.0
02-22 255.33
02-23 240.0
02-24 260.67
02-25 391.0
02-26 224.0
02-27 207.67
02-28 220.33
02-29 212.0
03-01 199.0
03-02 199.33
03-03 191.93
03-04 172.67
03-05 166.27
03-06 225.0
03-07 202.33
03-08 192.0
03-09 184.67
03-10 203.47
03-11 187.9
03-12 187.23
03-13 213.77
03-14 291.23
03-15 364.0
03-16 353.4
03-17 333.07
03-18 296.07
03-19 371.73
03-20 341.9
03-21 365.93
03-22 434.67
03-23 324.55
03-24 319.18
03-25 393.0
03-26 356.0
03-27 382.5
03-28 248.0
03-29 373.0
03-30 418.5
03-31 480.33
04-01 397.75
04-02 353.0
04-03 327.0
04-04 286.75
04-05 288.5
04-06 303.0
04-07 362.0
04-08 467.0
04-09 166.5
04-10 392.25
04-11 383.5
04-12 398.5
04-13 330.0
04-14 303.25
04-15 284.33
04-16 258.67
04-17 238.0
04-18 226.23
04-19 201.0
04-20 199.9
04-21 162.93
04-22 147.68
04-23 151.75
04-24 154.75
04-25 275.93
04-26 260.75
04-27 312.05
04-28 299.25
04-29 230.0
04-30 203.72
05-01 181.38
05-02 97.2
05-03 116.33
05-04 133.53
05-05 127.55
05-06 122.35
05-07 110.38
05-08 73.5
05-09 90.7
05-10 85.0
05-11 78.2
05-12 89.33
05-13 94.85
05-14 65.0
05-15 93.9
05-16 255.35
05-17 228.0
05-18 183.82
05-19 169.25
05-20 147.18
05-21 134.22
05-22 160.2
05-23 137.93
05-24 122.17
05-25 107.17
05-26 105.95
05-27 94.7
05-28 87.3
05-29 78.65
05-30 72.38
05-31 76.7
06-01 66.0
06-02 63.13
06-03 58.48
06-04 54.95
06-05 46.28
06-06 43.72
06-07 46.58
06-08 38.98
06-09 52.6
06-10 72.12
06-11 71.08
06-12 59.42
06-13 54.16
06-14 58.2
06-15 67.9
06-16 107.02
06-17 98.62
06-18 79.64
06-19 73.58
06-20 69.52
06-21 64.38
06-22 57.97
06-23 53.95
06-24 48.85
06-25 45.17
06-26 42.05
06-27 41.58
06-28 45.35
06-29 42.05
06-30 38.6
07-01 37.02
07-02 34.88
07-03 33.63
07-04 32.4
07-05 28.3
07-06 27.32
07-07 28.63
07-08 20.37
07-09 19.33
07-10 23.4
07-11 28.4
07-12 23.1
07-13 21.23
07-14 18.9
07-15 17.63
07-16 16.55
07-17 16.05
07-18 17.9
07-19 16.0
07-20 15.77
07-21 15.07
07-22 14.57
07-23 14.02
07-24 13.24
07-25 14.48
07-26 13.73
07-27 12.6
07-28 12.02
07-29 11.48
07-30 11.32
07-31 10.84
08-01 10.67
08-02 9.04
08-03 10.58
08-04 11.57
08-05 11.2
08-06 11.15
08-07 10.6
08-08 10.57
08-09 11.75
08-10 11.52
08-11 12.34
08-12 11.76
08-13 9.64
08-14 9.07
08-15 9.06
08-16 9.43
08-17 8.84
08-18 24.83
08-19 8.37
08-20 8.08
08-21 7.96
08-22 7.54
08-23 7.72
08-24 8.09
08-25 8.01
08-26 7.68
08-27 7.73
08-28 7.6
08-29 7.86
08-30 7.86
08-31 7.87
09-01 7.78
09-02 7.82
09-03 7.85
09-04 7.87
09-05 7.97
09-06 8.3
09-07 8.0
09-08 8.18
09-09 8.51
09-10 11.58
09-11 12.65
09-12 10.63
09-13 8.17
09-14 8.97
09-15 9.02
09-16 16.96
09-17 13.76
09-18 14.9
09-19 27.37
09-20 19.07
09-21 46.01
09-22 23.55
09-23 19.45
09-24 19.6
09-25 18.52
09-26 17.17
09-27 15.88
09-28 14.98
09-29 14.72
09-30 14.17
10-01 16.53
10-02 15.33
10-03 15.6
10-04 17.17
10-05 15.77
10-06 50.6
10-07 33.02
10-08 65.65
10-09 40.3
10-10 40.3
10-11 40.5
10-12 39.08
10-13 49.88
10-14 113.66
10-15 151.94
10-16 265.4
10-17 137.37
10-18 252.77
10-19 219.01
10-20 270.67
10-21 324.0
10-22 382.23
10-23 306.95
10-24 245.7
10-25 149.55
10-26 70.9
10-27 96.02
10-28 102.6
10-29 114.2
10-30 90.08
10-31 174.97
11-01 103.03
11-02 103.9
11-03 135.0
11-04 92.14
11-05 87.16
11-06 209.57
11-07 137.85
11-08 150.43
11-09 137.1
11-10 125.75
11-11 125.33
11-12 120.15
11-13 115.2
11-14 141.66
11-15 183.42
11-16 317.9
11-17 270.2
11-18 289.1
11-19 241.9
11-20 171.22
11-21 243.7
11-22 205.62
11-23 154.3
11-24 186.97
11-25 205.28
11-26 297.08
11-27 329.85
11-28 322.45
11-29 322.96
11-30 243.86
12-01 251.06
12-02 221.2
12-03 243.6
12-04 213.3
12-05 274.1
12-06 185.95
12-07 233.26
12-08 522.96
12-09 164.97
12-10 394.86
12-11 387.56
12-12 479.94
12-13 275.5
12-14 250.67
12-15 211.22
12-16 277.5
12-17 117.35
12-18 907.17
12-19 559.83
12-20 245.33
12-21 420.0
12-22 481.0
12-23 373.5
12-24 318.0
12-25 376.25
12-26 343.67
12-27 301.33
12-28 200.5
12-29 178.5
12-30 247.0
12-31 258.9

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index