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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 -0.0050.006(2.14+/-0.01)e2-5.55 +/- 31.77KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -5.718e-11999.000(1.48+/-0.00)e2-(2.19+/-2.83)e-8KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0390.007(2.13+/-0.01)e224.22 +/- 35.66KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -0.0090.002(1.48+/-0.00)e2-22.15 +/- 5.70KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at 0.0024.235e-04(2.58+/-0.00)e2-(2.16+/-9.65)e-8KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -1.476e-052.809e-05(1.48+/-0.00)e2-(1.87+/-3.83)e-8KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -0.0300.006(2.16+/-0.00)e2-7.04 +/- 29.03KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -5.718e-11999.000(1.48+/-0.00)e2-(2.19+/-2.83)e-8KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0440.008(2.11+/-0.01)e29.41 +/- 36.26KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -2.146e-051.305e-05(1.48+/-0.00)e2-(2.31+/-2.87)e-8KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: May 08, 2026
Last Site Modification: Sep 30, 2021