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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 -0.0580.006(2.14+/-0.01)e212.73 +/- 32.39KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -4.533e-12999.000(1.48+/-0.00)e2-(1.66+/-0.28)e-8KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0500.006(2.13+/-0.01)e2-8.62 +/- 33.93KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -0.0260.002(1.47+/-0.00)e2-15.73 +/- 5.30KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -0.0012.046e-04(2.58+/-0.00)e2(6.13+/-5.21)e-9KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 0.0077.210e-04(1.48+/-0.00)e2-2.30 +/- 1.22KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -0.0570.005(2.16+/-0.00)e2-7.48 +/- 27.76KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -4.533e-12999.000(1.48+/-0.00)e2-(1.66+/-0.28)e-8KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0670.007(2.11+/-0.01)e22.44 +/- 37.42KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 0.0076.166e-04(1.48+/-0.00)e20.23 +/- 0.76KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

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