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JCMT Newsletter No. 21 (Weather Statistics 03A)

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Weather Statistics for Semester 03A


The following tables present the weather loss for semester 03A. For losses due to faults see the the Operational Stats. With (practically) fully flexible queued observing now in operation, no distinction is made any longer between "Primary" and "Backup" projects. These statistics are generated by the OMP (Observation Management Project) reporting system.

The lost time due to weather over 03A has been extraordinarily small, especially in comparison to the previous two semesters. One item to note, the reduced time in July was due to a two week, unanticipated shutdown, during which the secondary mirror unit was removed and extensively overhauled. (See the Director's Report for details.

Month Available Extended Lost to weather %
Feb 446.8 13.5 24.5 5.5
Mar 496.0 12.1 69.6 14.0
Apr 432.0 10.8 79.6 18.4
May 494.5 16.9 35.1 7.1
Jun 479.8 26.9 48.1 10.0
Jul 277.8 6.6 2.7 1.0





Totals 2627 86.7 259.4 9.8


Iain Coulson


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Contact: Antonio Chrysostomou. Updated: Tue Aug 17 17:32:11 HST 2004

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