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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 -0.0240.013(2.14+/-0.01)e2-10.11 +/- 52.82KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -1.368e-101.705e-07(1.48+/-0.00)e2(4.10+/-9.91)e-8KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0140.014(2.13+/-0.01)e2-39.11 +/- 55.97KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -0.0160.003(1.47+/-0.00)e2-48.70 +/- 8.79KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at 0.0060.001(2.58+/-0.00)e2(8.28+/-16.82)e-8KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -3.767e-043.661e-04(1.48+/-0.00)e2-1.20 +/- 0.69KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -0.0150.011(2.16+/-0.01)e2-4.29 +/- 46.77KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -1.368e-101.705e-07(1.48+/-0.00)e2(4.10+/-9.91)e-8KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0510.015(2.11+/-0.01)e2-39.84 +/- 67.98KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -9.441e-052.810e-04(1.48+/-0.00)e20.10 +/- 0.30KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jun 11, 2026
Last Site Modification: Sep 30, 2021