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PRECOLL
Static Version: Mean --- 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 -8.829e-042.824e-04(2.14+/-0.01)e20.08 +/- 0.20KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -5.866e-14999.000(1.48+/-0.00)e2(1.21+/-0.13)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -6.365e-042.922e-04(2.13+/-0.01)e20.10 +/- 0.19KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -0.0017.395e-05(1.47+/-0.00)e2-0.03 +/- 0.04KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at 6.311e-055.917e-05(2.58+/-0.00)e20.03 +/- 0.04KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -8.409e-045.123e-05(1.48+/-0.00)e20.01 +/- 0.04KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -4.891e-042.534e-04(2.16+/-0.01)e20.03 +/- 0.18KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -5.866e-14999.000(1.48+/-0.00)e2(1.21+/-0.13)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -9.995e-043.311e-04(2.11+/-0.01)e20.13 +/- 0.22KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -7.667e-044.865e-05(1.48+/-0.00)e20.01 +/- 0.04KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Apr 18, 2026
Last Site Modification: Sep 30, 2021