When we first see Daniel's apartment building, there is bright sunshine and the building is dry. When Jack finds Daniel on the balcony, the ground is wet and the sky is overcast.
Hammond refers to Barber as "lieutenant" in the briefing room, but the end credits list Barber as "sergeant".
When Loran is showing Teal'c his toy gun, he first has it in his right hand. In the following cut it is in his left hand before giving it to Teal'c.