Station details:
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Code: HAM
Latitude:  53.46510
Longitude:    9.92478
Elevation:    30.0
Depth: 
Name: Hamburg
Region: Hamburg,Germany
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.
Travel time residuals
 

Station comments:
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Checked against station bulletin
1905-19421231
moved and reopened 19520501
GRSN 199102-1995

Data at the ISC for 62 years between 1904 and 1995.