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.

Value Anomaly Rank Mean

Maximum Temperature

June - August 1988

0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F

Contiguous U.S.

Temp Maximum Temperature : 86.67°F

Anomaly: 2.31°F

Rank: 4th Warmest

Mean: 84.35°F

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June - August 1988 Contiguous U.S. Maximum Temperature
Location	Value	Anomaly	Rank 130 Years	1901-2000 Mean
Contiguous U.S.	86.67°F	2.31°F	127	84.35°F

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NOAA National Centers for Environmental information, Climate at a Glance: National Mapping, published August 2025, retrieved on September 8, 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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