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Air Quality Alert
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An Air Quality Alert has been issued by the Northwest Clean Air Agency until 9 AM PDT Wednesday. An Air Quality Alert has been issued for Skagit and Whatcom Counties, effective immediately through Wednesday July 22nd at 9am due to expected wildfire smoke from Canadian wildfires. Particulate matter (PM2.5) levels may reach Unhealthy for Sensitive Groups. When air quality is Unhealthy for Sensitive Groups, sensitive groups should take steps to reduce exposure. Limit time outside, avoid strenuous outdoor activity, and follow tips for cleaner indoor air. Everyone should watch for symptoms as a sign to reduce exposure. For current air quality conditions and additional information visit https://nwcleanairwa.gov

Salix Creek At S Cascade Gl Near Marblemount, Wa Historical Data

Historical Data


Streamflow Range


Date Average 2015 2014 2013 2012 2011
01-03 0.05
01-04 0.01
01-26 0.01
01-27 0.01
01-28 0.01
01-29 0.01
01-30 0.01
01-31 0.01
03-06 0.01
03-07 0.02
03-09 0.18
03-10 0.7
03-11 0.44
03-12 0.05
03-13 0.03
03-14 0.03
03-15 0.02
03-16 0.02
03-17 0.08
03-18 0.03
04-10 0.15
04-11 0.07
04-12 0.04
04-13 0.03
04-14 0.02
04-15 0.05
04-16 0.06
04-17 0.04
04-18 0.03
04-19 0.02
04-20 0.01
04-21 0.01
04-22 0.02
04-23 0.02
04-24 0.02
05-01 0.04
05-02 0.05
05-03 0.06
05-04 0.31
05-05 0.16
05-06 0.18
05-07 0.17
05-08 0.21
05-09 0.21
05-10 0.11
05-11 0.42
05-12 0.9
05-13 0.64
05-14 0.74
05-15 3.4
05-16 1.45
05-17 0.42
05-18 0.29
05-19 0.48
05-20 1.0
05-21 1.2
05-22 0.67
05-23 0.56
05-24 0.42
05-25 0.46
05-26 1.2
05-27 0.48
05-28 0.28
05-29 0.2
05-30 0.26
05-31 0.64
06-01 1.2
06-02 0.83
06-03 0.62
06-04 0.92
06-05 1.29
06-06 0.93
06-07 1.41
06-08 1.08
06-09 0.63
06-10 1.03
06-11 0.92
06-12 0.75
06-13 1.51
06-14 2.1
06-15 0.87
06-16 0.75
06-17 3.02
06-18 1.95
06-19 1.12
06-20 1.13
06-21 1.22
06-22 1.62
06-23 1.64
06-24 2.1
06-25 1.45
06-26 1.4
06-27 1.5
06-28 2.0
06-29 2.55
06-30 3.65
07-01 2.95
07-02 2.3
07-03 2.95
07-04 1.95
07-05 1.6
07-06 2.2
07-07 2.85
07-08 3.2
07-09 2.85
07-10 2.65
07-11 2.2
07-12 2.2
07-13 2.05
07-14 2.05
07-15 1.9
07-16 1.75
07-17 1.8
07-18 1.7
07-19 1.45
07-20 1.5
07-21 1.3
07-22 1.7
07-23 0.92
07-24 0.88
07-25 1.0
07-26 1.0
07-27 0.78
07-28 0.61
07-29 0.75
07-30 0.66
07-31 0.63
08-01 0.6
08-02 0.52
08-03 0.43
08-04 0.41
08-05 0.39
08-06 0.36
08-07 0.34
08-08 0.3
08-09 0.26
08-10 0.2
08-11 0.15
08-12 0.14
08-13 0.1
08-14 0.1
08-15 0.08
08-16 0.07
08-17 0.06
08-18 0.05
08-19 0.04
08-20 0.04
08-21 0.04
08-22 0.04
08-23 0.23
08-24 0.09
08-25 0.08
08-26 0.07
08-27 0.06
08-28 0.05
08-29 0.04
08-30 0.04
08-31 0.03
09-01 0.03
09-02 0.02
09-03 0.02
09-04 0.01
09-05 0.01
09-06 0.01
09-07 0.01
09-08 0.01
09-11 0.01
09-16 0.01
09-19 0.01
09-20 0.01
09-23 0.01
09-26 0.01
09-27 0.62
09-28 0.42
09-29 0.06
09-30 0.02
11-03 0.02
11-04 0.02
11-05 0.01
11-06 0.02
11-07 0.01
11-08 0.04
11-09 0.02
11-10 0.01
11-11 0.08
11-12 0.1
11-13 1.2
11-14 0.11
11-15 0.05
11-17 0.03
11-18 0.02
11-19 0.02
11-20 0.06
11-21 0.02
11-22 0.01
11-23 0.01
11-24 0.01
11-25 0.01
11-26 0.01
11-27 0.01
11-28 0.01
11-29 0.01
11-30 0.01
12-01 0.01
12-02 0.02
12-03 0.01
12-04 0.01
12-05 0.01

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index