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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 0.0430.006(2.14+/-0.01)e2-44.20 +/- 30.82KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -7.694e-12999.000(1.48+/-0.00)e2-(1.75+/-0.42)e-8KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at 0.0370.006(2.13+/-0.01)e2-44.31 +/- 33.09KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 0.0060.002(1.47+/-0.00)e2-1.88 +/- 4.30KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at 0.0250.002(2.58+/-0.00)e2-2.62 +/- 0.63KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 0.0022.689e-04(1.48+/-0.00)e21.25 +/- 0.52KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at 0.0440.005(2.16+/-0.00)e2-51.81 +/- 24.94KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -7.694e-12999.000(1.48+/-0.00)e2-(1.75+/-0.42)e-8KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at 0.0580.007(2.11+/-0.01)e2-46.53 +/- 36.35KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 0.0011.516e-04(1.48+/-0.00)e2-0.51 +/- 0.24KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jan 18, 2026
Last Site Modification: Sep 30, 2021