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)
| 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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