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PRECOLL
Static Version: Min --- Last Three Months

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 -0.0022.871e-04(2.14+/-0.01)e2-0.06 +/- 0.16KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -4.793e-14999.000(1.48+/-0.00)e2(1.54+/-0.05)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0012.983e-04(2.13+/-0.01)e2-0.08 +/- 0.17KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -2.265e-045.791e-05(1.47+/-0.00)e20.05 +/- 0.02KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -3.138e-046.558e-05(2.58+/-0.00)e2-0.01 +/- 0.03KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 4.031e-048.555e-05(1.48+/-0.00)e20.02 +/- 0.06KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -0.0022.602e-04(2.16+/-0.01)e2-0.11 +/- 0.15KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -4.793e-14999.000(1.48+/-0.00)e2(1.54+/-0.05)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0023.471e-04(2.11+/-0.01)e2-0.12 +/- 0.20KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 4.192e-048.287e-05(1.48+/-0.00)e2-0.07 +/- 0.06KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jun 10, 2026
Last Site Modification: Sep 30, 2021