{"id":6199,"date":"2022-12-03T13:01:35","date_gmt":"2022-12-03T19:01:35","guid":{"rendered":"https:\/\/www.agron.iastate.edu\/glsi\/?p=6199"},"modified":"2025-05-01T11:13:33","modified_gmt":"2025-05-01T16:13:33","slug":"average-precipitation-for-iowa-1981-2010","status":"publish","type":"post","link":"https:\/\/www.agron.iastate.edu\/glsi\/climate-images\/average-precipitation-for-iowa-1981-2010\/","title":{"rendered":"Average Precipitation for Iowa (1981 \u2013 2010)"},"content":{"rendered":"\n
\n\t
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This map shows the average annual precipitation in Iowa over the 30-year period from 1981 to 2010. The data is displayed in inches and illustrates spatial patterns of rainfall across the state, highlighting regional climate variability. Precipitation tends to increase from northwest to southeast, with the driest regions in the far northwest and the wettest areas located in south-central and southeastern Iowa.<\/h4>\n\n\t<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n\t
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Right-click image file to save.<\/p>\n

Source:<\/h4>\n

Iowa Environmental Mesonet
Map generated on 17 Sep 2012 at 12:52 PM<\/p>\n

Interpretation:<\/h4>\n

This map reflects Iowa\u2019s gradient of annual rainfall, which is shaped by topography, storm track patterns, and atmospheric moisture flow. The data is important for understanding trends in crop water availability, drainage planning, hydrologic modeling, and drought risk.<\/p>\n

Resolution:<\/h4>\n

County-level interpolation from long-term weather station data; displayed as a statewide static image<\/p>\n

Suggested Use:<\/h4>\n

Useful for water resource planning, agricultural management, hydrological modeling, and climate research. Also valuable for contextualizing soil moisture variability, irrigation needs, and long-term landscape planning.<\/p>\n

References:<\/h4>\n

Iowa Environmental Mesonet (IEM), Iowa State University
https:\/\/mesonet.agron.iastate.edu\/<\/a><\/p>\n\n\t<\/div>\n<\/div>\n\n\n

\n

<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":3216,"featured_media":10616,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[316],"tags":[],"class_list":["post-6199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-climate-images"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/1981-2010-Yearly-Average-Precipitation.png",892,700,false],"thumbnail":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/1981-2010-Yearly-Average-Precipitation-150x150.png",150,150,true],"medium":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/1981-2010-Yearly-Average-Precipitation-300x235.png",300,235,true],"medium_large":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/1981-2010-Yearly-Average-Precipitation-768x603.png",768,603,true],"large":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/1981-2010-Yearly-Average-Precipitation.png",892,700,false],"1536x1536":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/1981-2010-Yearly-Average-Precipitation.png",892,700,false],"2048x2048":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/1981-2010-Yearly-Average-Precipitation.png",892,700,false]},"post_excerpt_stackable_v2":"

This map shows the average annual precipitation in Iowa over the 30-year period from 1981 to 2010. The data is displayed in inches and illustrates spatial patterns of rainfall across the state, highlighting regional climate variability. Precipitation tends to increase from northwest to southeast, with the driest regions in the far northwest and the wettest areas located in south-central and southeastern Iowa. Right-click image file to save. Source: Iowa Environmental MesonetMap generated on 17 Sep 2012 at 12:52 PM Interpretation: This map reflects Iowa\u2019s gradient of annual rainfall, which is shaped by topography, storm track patterns, and atmospheric moisture flow.…<\/p>\n","category_list_v2":"Climate Images<\/a>","author_info_v2":{"name":"Bradley Miller","url":"https:\/\/www.agron.iastate.edu\/glsi\/author\/millerba\/"},"comments_num_v2":"0 comments","yoast_head":"\nAverage Precipitation for Iowa (1981 \u2013 2010) - Geospatial Laboratory for Soil Informatics<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.agron.iastate.edu\/glsi\/climate-images\/average-precipitation-for-iowa-1981-2010\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Average Precipitation for Iowa (1981 \u2013 2010) - Geospatial Laboratory for Soil Informatics\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.agron.iastate.edu\/glsi\/climate-images\/average-precipitation-for-iowa-1981-2010\/\" \/>\n<meta property=\"og:site_name\" content=\"Geospatial Laboratory for Soil Informatics\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-03T19:01:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-01T16:13:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/1981-2010-Yearly-Average-Precipitation.png\" \/>\n\t<meta property=\"og:image:width\" content=\"892\" \/>\n\t<meta property=\"og:image:height\" content=\"700\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Bradley Miller\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bradley Miller\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/climate-images\\\/average-precipitation-for-iowa-1981-2010\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/climate-images\\\/average-precipitation-for-iowa-1981-2010\\\/\"},\"author\":{\"name\":\"Bradley Miller\",\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/#\\\/schema\\\/person\\\/a96fa0c818314fce5f3928c232490277\"},\"headline\":\"Average Precipitation for Iowa (1981 \u2013 2010)\",\"datePublished\":\"2022-12-03T19:01:35+00:00\",\"dateModified\":\"2025-05-01T16:13:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/climate-images\\\/average-precipitation-for-iowa-1981-2010\\\/\"},\"wordCount\":4,\"publisher\":{\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/climate-images\\\/average-precipitation-for-iowa-1981-2010\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/files\\\/2025\\\/03\\\/1981-2010-Yearly-Average-Precipitation.png\",\"articleSection\":[\"Climate Images\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/climate-images\\\/average-precipitation-for-iowa-1981-2010\\\/\",\"url\":\"https:\\\/\\\/www.agron.iastate.edu\\\/glsi\\\/climate-images\\\/average-precipitation-for-iowa-1981-2010\\\/\",\"name\":\"Average Precipitation for Iowa (1981 \u2013 2010) - 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