Western U.S. Precipitation Frequency Maps
Source: NOAA Atlas 2 published in 1973. (HDSC/NWS Office of Hydrology)
Note: To maintain image integrity and detail each image is almost 1 MB in size.
To obtain more information or the text material that accompanies these maps contact the Western Regional Climate Center at 775-674-7010 (wrcc@dri.edu)
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2 Yr, 6 Hr |
5 Yr, 6 Hr |
10 Yr, 6 Hr |
25 Yr, 6 Hr |
50 Yr, 6 Hr |
100 Yr, 6 Hr |
2 Yr, 24 Hr |
5 Yr, 24 Hr |
10 Yr, 24 Hr |
25 Yr, 24 Hr |
50 Yr, 24 Hr |
100 Yr, 24 Hr |
Arizona |
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Northern California |
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Southern California |
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Colorado |
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Idaho |
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Montana |
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Nevada |
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New Mexico |
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Oregon |
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Utah |
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Washington |
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Wyoming |
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Western Regional Climate Center, wrcc@dri.edu