Heat Index

Calendar year totals for the eastern half of the United States

Average Number of Days  |  Days with 3 or More Hours  |  Average Number of Hours

AVERAGE NUMBER OF DAYS (roll mouse over degrees): 90° | 95° | 100° | 105° | 110°
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
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AVERAGE NUMBER OF DAYS FOR 3 OR MORE HOURS: 90° | 95° | 100° | 105° | 110°
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
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AVERAGE NUMBER OF HOURS: 90° | 95° | 100° | 105° | 110°
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees
Average Number of Days greater than or equal to 90 degrees