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PRECOLL
Static Version: Max --- Last Three Months

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 -0.0013.092e-04(2.14+/-0.01)e2-0.17 +/- 0.18KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -3.376e-13999.000(1.48+/-0.00)e2(1.28+/-0.07)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0012.984e-04(2.13+/-0.01)e2-0.23 +/- 0.17KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -7.059e-049.071e-05(1.48+/-0.00)e20.08 +/- 0.06KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -2.691e-045.764e-05(2.58+/-0.00)e2-0.01 +/- 0.02KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -5.846e-051.697e-05(1.48+/-0.00)e20.01 +/- 0.00KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -8.440e-042.811e-04(2.16+/-0.01)e2-0.11 +/- 0.17KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -3.376e-13999.000(1.48+/-0.00)e2(1.28+/-0.07)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0013.457e-04(2.11+/-0.01)e2-0.27 +/- 0.21KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -3.615e-051.472e-05(1.48+/-0.00)e2-0.00 +/- 0.00KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Aug 30, 2026
Last Site Modification: Sep 30, 2021