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PRECOLL
Static Version: Mean --- Last One Years

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 -2.432e-042.807e-05(2.14+/-0.01)e2-0.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt 2.889e-144.534e-09(1.48+/-0.00)e2-(5.73+/-0.24)e-11KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -2.439e-042.897e-05(2.13+/-0.01)e2-0.01 +/- 0.01KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -5.195e-056.878e-06(1.47+/-0.00)e2-(8.37+/-21.67)e-4KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -6.317e-056.144e-06(2.58+/-0.00)e2-(7.72+/-14.86)e-4KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 2.657e-054.886e-06(1.48+/-0.00)e2-(1.62+/-15.21)e-4KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -2.397e-042.522e-05(2.16+/-0.01)e2-(1.79+/-74.49)e-4KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -3.751e-096.309e-09(1.48+/-0.00)e2-(5.77+/-0.24)e-11KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -2.997e-043.360e-05(2.11+/-0.01)e2-0.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 2.482e-054.625e-06(1.48+/-0.00)e2-0.00 +/- 0.00KIP 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