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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 -9.503e-042.975e-04(2.14+/-0.01)e2-0.16 +/- 0.19KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -2.667e-13999.000(1.48+/-0.00)e2(1.40+/-0.06)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0023.057e-04(2.13+/-0.01)e2-0.14 +/- 0.18KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -2.184e-046.893e-05(1.47+/-0.00)e20.06 +/- 0.04KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -2.958e-045.683e-05(2.58+/-0.00)e2-0.01 +/- 0.03KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 2.316e-045.469e-05(1.48+/-0.00)e20.03 +/- 0.04KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -8.758e-042.673e-04(2.16+/-0.01)e2-0.11 +/- 0.17KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -2.667e-13999.000(1.48+/-0.00)e2(1.40+/-0.06)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0013.491e-04(2.11+/-0.01)e2-0.26 +/- 0.22KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 2.189e-045.221e-05(1.48+/-0.00)e20.04 +/- 0.04KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jul 30, 2026
Last Site Modification: Sep 30, 2021