USGS 12442500 SIMILKAMEEN RIVER NEAR NIGHTHAWK, WA

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Arrow

Additional Data and Information.-- Latest shifted rating.

Flood Stage.--The National Weather Service Flood Stage for this station is 14.0 feet.

Funding for this site is provided by the cooperators / programs below:

Station Notes
ice
This station is affected by ice during extreme cold weather periods. A description of the types of ice affecting rivers can be download here.
This station managed by the Upper Columbia Field Office (Spokane).

Available Parameters Available Period
  
2014-03-01  2025-09-04
1988-05-01  2025-09-04
2007-10-01  2025-09-04
2021-05-11  2025-09-04
2021-05-11  2025-09-04
2021-05-11  2025-09-03
2022-09-04  2025-08-21
2021-07-22  2025-09-04







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius, [Pub]
Most recent instantaneous value: 22.4 09-04-2025   01:30 PDT
Graph of Temperature, water, degrees Celsius, [Pub]

Add up to 2 more sites and replot for "Temperature, water, degrees Celsius, [Pub]"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Discharge, cubic feet per second
Most recent instantaneous value: 185 09-04-2025   01:30 PDT
Graph of

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |

Daily discharge, cubic feet per second -- statistics for Sep 4 based on 96 water years of record more
Min
(2003)		 Most Recent
Instantaneous
Value Sep 4		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1948)
175 185 389 538 618 743 2260

Gage height, feet
Most recent instantaneous value: 1.93 09-04-2025   01:30 PDT
Graph of Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 0 09-04-2025   01:30 PDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Add up to 2 more sites and replot for "Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 8.1 09-04-2025   01:30 PDT
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

Add up to 2 more sites and replot for "Dissolved oxygen, water, unfiltered, milligrams per liter"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


pH, water, unfiltered, field, standard units
Most recent instantaneous value: 11.9 09-03-2025   22:15 PDT
Graph of pH, water, unfiltered, field, standard units

Add up to 2 more sites and replot for "pH, water, unfiltered, field, standard units"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE), [Corrected for Water Temp and T]
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
Most recent instantaneous value: 7.5 09-04-2025   01:30 PDT
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

Add up to 2 more sites and replot for "Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |