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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 0.3180.021(2.14+/-0.01)e2-(3.62+/-0.92)e2KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -1.887e-101.814e-07(1.48+/-0.00)e2-(6.44+/-12.19)e-8KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at 0.3080.022(2.13+/-0.01)e2-(4.90+/-0.88)e2KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -0.0130.004(1.47+/-0.00)e2-30.41 +/- 11.34KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at 0.0720.004(2.59+/-0.00)e27.39 +/- 2.18KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 8.344e-045.141e-04(1.48+/-0.00)e2-0.75 +/- 1.49KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at 0.2840.019(2.16+/-0.01)e2-(3.40+/-0.80)e2KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -1.887e-101.814e-07(1.48+/-0.00)e2-(6.44+/-12.19)e-8KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at 0.3410.024(2.11+/-0.01)e2-(5.39+/-1.08)e2KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 9.318e-043.845e-04(1.48+/-0.00)e2-0.34 +/- 0.72KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jun 12, 2026
Last Site Modification: Sep 30, 2021