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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 4.863e-040.007(2.14+/-0.00)e259.94 +/- 43.33KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -1.223e-10999.000(1.48+/-0.00)e2-(3.20+/-11.53)e-8KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at 0.0110.007(2.13+/-0.01)e238.69 +/- 45.34KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -0.0070.001(1.47+/-0.00)e23.44 +/- 5.88KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -4.643e-10999.000(2.58+/-0.00)e2(2.93+/-15.80)e-8KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -0.0013.648e-04(1.48+/-0.00)e20.90 +/- 0.88KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at 0.0040.006(2.16+/-0.00)e228.75 +/- 40.74KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -1.223e-10999.000(1.48+/-0.00)e2-(3.20+/-11.53)e-8KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at 0.0170.008(2.10+/-0.01)e265.43 +/- 50.55KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -6.877e-042.355e-04(1.48+/-0.00)e2-0.05 +/- 0.49KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Aug 17, 2026
Last Site Modification: Sep 30, 2021