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Station details:
================

Code: DNY
Latitude:  42.83630
Longitude:  -78.16880
Elevation:   381.0
Depth: 
Name: Dersam
Region: New York,U.S.A.
Status: 

        
Arrival picks statistics
Travel Time Analysis
On the top graph every dot represents the median residual for one 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 shows twice the standard deviation (2 * smad).
The bottom graph shows the number of residuals for each month. The red columns show the number of residuals whose median (for that month) is outside two standard deviations from the overall median (2 * smad).
Red dots indicate a possible clock error.
 

Station comments:
=================

197107-197904
USTN 19770624-197812?

Data at the ISC for 5 years between 1974 and 1978.