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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 -0.0180.005(2.14+/-0.00)e2-30.48 +/- 35.03KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -1.660e-10999.000(1.48+/-0.00)e2-(4.13+/-18.45)e-8KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0100.006(2.13+/-0.00)e2-45.84 +/- 37.72KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 0.0290.002(1.47+/-0.00)e2-15.92 +/- 6.26KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -7.025e-10999.000(2.58+/-0.00)e2(1.26+/-2.36)e-7KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -1.660e-10999.000(1.48+/-0.00)e2-(4.13+/-18.45)e-8KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -0.0130.004(2.16+/-0.00)e2-32.40 +/- 29.23KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -1.660e-10999.000(1.48+/-0.00)e2-(4.13+/-18.45)e-8KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0340.006(2.10+/-0.01)e2-39.55 +/- 41.09KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -1.620e-10999.000(1.48+/-0.00)e2-(1.50+/-1.80)e-7KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

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