Climate at a Glance | National Mapping | National Centers for Environmental Information (NCEI)

National Mapping

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Please note, Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales. Data are available for bulk download.

ValueAnomalyRankMean

Precipitation Rank (130 years)

January - May 1970

Driest⇣⅒⇣ ⅓Near Normal⇡ ⅓⇡⅒Wettest

Contiguous U.S.

PrecipPrecipitation: 11.78in

Anomaly: -0.60in

Rank: 44th Driest

Mean: 12.38in

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January - May 1970 National Precipitation
Location	Value	Anomaly	Rank 130 Years	1901-2000 Mean
Contiguous U.S.	11.78in	-0.60in	44	12.38in

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NOAA National Centers for Environmental information, Climate at a Glance: National Mapping, published March 2025, retrieved on April 6, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/mapping

Climate at a Glance National Mapping

National Mapping

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