David B., Jim B., Patrick T.

We looked at H1:ALS-Y_REFL_SERVO_IN1EN from '00:00:00 Nov 2 PDT' to '03:00:00 Nov 2 PST'. The correct behavior is observed:

...
11/02/2014 01:59:59.005479920 PDT 	Off 	NO_ALARM 	NO_ALARM
11/02/2014 01:59:59.055615806 PDT 	On 	NO_ALARM 	NO_ALARM
11/02/2014 01:00:01.060458106 PST 	Off 	NO_ALARM 	NO_ALARM
11/02/2014 01:00:01.110599290 PST 	On 	NO_ALARM 	NO_ALARM
...

Note that PDT and PST should be specified for searches covering times of the changeover.