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File: ENSOblog_NAM-pct-avg_map_20210819_large.png

File name: ENSOblog_NAM-pct-avg_map_20210819_large.png
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Alternate Text: Map of percent of average precipitation that arrives during the annual monsoon in the Southwest
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Map of percent of average precipitation that arrives during the annual monsoon in the Southwest

Image caption

Percent of total annual precipitation occurring during July–September, based on 1979–2020 using CPC Unified rain-gauge-based data. Figure by climate.gov.