Station details:
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Code: WIAZ
Latitude: -36.79300
Longitude:  175.13390
Elevation:   191.0
Depth: 
Name: Waiheke Island
Region: North Island,New Zealand
Status: 

        
Arrival picks statistics
Travel time residuals
Amplitude analysis
 On the top graph every dot represents the median value for that month of data.
The green line is the overall median; the orange line shows the standard deviation (smad) based on the median absolute deviation (mad), whilst the red line (if present) shows twice the standard deviation (2 * smad).
The bottom graph shows the number of observations for each month. Any red columns show those observations whose monthly median value is greater than twice the standard deviation (2 * smad) from the overall (running) median (shown in the top graph by red dots).

Red dots indicate a possible calibration error.
 

Station comments:
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Data at the ISC for 11 years between 2010 and 2020.