****** SXT warm CCD opration *****

Time ranges of warm CCD operations (CCD bakeouts for
most cases), and the maximum temperature in each period.

 Start is time of last PFI with CCD temp <-20.9.
 Stop is 8 minutes after first PFI with CCD temp <-20.9.

------ start -------------- stop -------- max.temp.---
03-Sep-91 01:05:38   02-Oct-91 08:27:42   25.2065
08-Jan-92 11:17:44   10-Jan-92 09:49:36   -0.582027
08-Apr-92 16:51:38   11-Apr-92 17:09:53   23.7977
09-Jun-92 12:26:06   11-Jun-92 08:17:16   -2.49012
04-Sep-92 20:36:30   06-Sep-92 16:39:32   -1.24682
08-Jan-93 08:03:56   09-Jan-93 09:26:04   23.7977
21-Jan-93 02:29:58   23-Jan-93 01:41:16   23.7977
05-Apr-93 10:49:29   06-Apr-93 15:14:43   23.7977
04-Jul-93 16:55:32   05-Jul-93 19:41:40   22.4549
22-Aug-93 21:00:02   24-Aug-93 20:14:22   25.2065
08-Nov-93 07:05:09   10-Nov-93 04:39:15   23.7977
09-Jan-94 23:44:10   12-Jan-94 00:40:07   22.4549
06-Apr-94 08:51:23   08-Apr-94 08:08:47   25.2065
09-Aug-94 19:50:38   11-Aug-94 19:46:24   25.2065
28-Feb-95 20:04:09   02-Mar-95 20:58:55   25.2065
22-Nov-95 13:11:58   23-Nov-95 14:20:14   25.2065
02-Feb-96 03:59:05   03-Feb-96 02:50:23   22.4549
09-Oct-96 04:10:51   10-Oct-96 06:24:33   22.4549
08-Jan-97 09:16:42   14-Jan-97 08:02:07   23.7977
30-Jul-97 06:50:43   31-Jul-97 09:14:00   22.4549
12-Nov-97 07:12:35   13-Nov-97 10:40:42   22.4549
18-Feb-98 06:47:22   19-Feb-98 07:24:21   23.7977
05-Nov-98 02:25:55   06-Nov-98 02:58:19   22.4549
14-Apr-99 22:35:24   15-Apr-99 21:23:48   23.7977
22-Jul-99 01:19:31   23-Jul-99 01:49:55   23.7977
10-Dec-99 05:04:27   11-Dec-99 05:31:45   22.4549
08-Aug-00 07:39:30   09-Aug-00 09:46:37   22.4549
11-Dec-00 18:41:54   12-Dec-00 21:21:44   23.7977
26-Jul-01 06:04:03   27-Jul-01 04:39:41   22.4549
----------------------------------------------------