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GRADPERI
Static Version: Mean --- Last Five years

One Week Three Month One Year Five Year Full Range Min Mean Max

Delta/Yr below is a slope of the linear fitting over the data of the period. Delta/Yr/Yr is a slope of the liner fitting over the devivative data of the period. Slope listed on a linked plot is the slope computed on the last few periods of the data to show the direction of the trend, and different from that of Delta/Yr.

MSID MeanRMSDelta/YrDelta/Yr/YrUnitDescriptionLimit Violation
hprigrd 0.0300.001-0.19 +/- 0.14-0.04 +/- 0.04KRT133-RT134: PeriscopeNo Violation Check

If you have any questions, please contact swolk@cfa.harvard.edu.

Data Updated: Dec 12, 2025
Last Site Modification: Sep 30, 2021