The Climate Explorer
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Reading the historical weather charts

Blue bars on temperature graphs indicate the range of observed temperatures for each day; the green band shows Climate Normals for temperature—the average temperature range at that station from 1981-2010. Blue areas on precipitation graphs track year-to-date cumulative precipitation; the black line shows Climate Normals for precipitation. Data from Global Historical Climatology Network-Daily dataset, served by ACIS.
Pan or zoom on these graphs to view other years. Place your cursor on either axis and then scroll, click-and-drag, or hold down your SHIFT key and scroll to adjust the display.

The Climate Explorer is optimized for desktop use. Please visit the site on a desktop computer.