A blip is a brief period of time that is not significant in terms of the overall course of something. It's usually only a few seconds long, and it can sometimes be hard to notice.
The blip in the graph was caused by a sudden change in the data.
The blip in the graph is due to the weather conditions.
noun
a radar echo displayed so as to show the position of a reflecting surface
Synonyms:
noun
a sudden minor shock or meaningless interruption
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I apologize for the momentary page blip.
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The US withdrawl of aid and embargo was a blip on the radar.
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Nice attempt at covering the truth there blip blip.
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But yes, it was a blip overall, although an unusual blip.
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In and of itself, it is a blip on the radar.
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For now this is a blip in the presidential campaign.
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Historically speaking it is a blip on the radar.
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Hopefully this is just a temporary blip.
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Only a blip in the radar screen.
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Barely a blip on the cultural radar.