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PRECOLL
Static Version: Mean --- One Week

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
4prt1at 0.0120.015(2.14+/-0.01)e2-96.38 +/- 56.13KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -1.037e-10999.000(1.48+/-0.00)e2(1.32+/-0.98)e-7KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0020.015(2.13+/-0.01)e2-55.90 +/- 58.48KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 0.0320.002(1.47+/-0.00)e22.79 +/- 6.20KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -0.0050.003(2.59+/-0.00)e2-16.72 +/- 8.32KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 0.0230.001(1.48+/-0.00)e23.28 +/- 4.14KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -0.0190.014(2.16+/-0.01)e2-3.09 +/- 51.26KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -1.037e-10999.000(1.48+/-0.00)e2(1.32+/-0.98)e-7KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0090.017(2.11+/-0.01)e2-(1.31+/-0.68)e2KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 0.0169.181e-04(1.48+/-0.00)e22.04 +/- 3.27KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jun 23, 2026
Last Site Modification: Sep 30, 2021