{"id":31,"date":"2024-11-12T21:31:35","date_gmt":"2024-11-12T21:31:35","guid":{"rendered":"https:\/\/globalfutures.asu.edu\/azclimate\/?page_id=31"},"modified":"2026-04-28T00:18:03","modified_gmt":"2026-04-28T00:18:03","slug":"climate-calendars","status":"publish","type":"page","link":"https:\/\/globalfutures.asu.edu\/azclimate\/climate-calendars\/","title":{"rendered":"Records"},"content":{"rendered":"<div class=\"wp-bootstrap-blocks-container container mb-0 pt-6 pt-xl-12\">\n\t\n<div class=\"wp-bootstrap-blocks-row row justify-content-between\">\n\t\n\n<div class=\"col-12 col-md-7 mb-6\">\n\t\t\t\n\n<h2 class=\"wp-block-heading\">Arizona records and calendars<\/h2>\n\n\n\n<p>Climate calendars are tools that provide a summary of records for an individual weather station, often based on the Calendar Year.<\/p>\n\n\n\n<p>The Arizona climate calendars provide climate <strong>normals<\/strong>, <strong>means<\/strong>, and <strong>extremes<\/strong> for many active weather stations across the state. Climate <strong>normals <\/strong>are calculations based on 30-year monthly averages (means), often for maximum (high) and minimum (low) temperatures and total monthly precipitation. <\/p>\n\n\n\n<p>Climate <strong>extremes <\/strong>are based on the <strong>period of record<\/strong>. The period of record is the extent of the time that the weather station has been in operation. For example, precipitation records for Yuma go back to 1876 and temperature records for Yuma go back to 1878. An <strong>extreme <\/strong>would be the highest, lowest, or greatest observation during the period of record.<\/p>\n\n\n\n<p>The current 30-year climatological standard for climate normals runs from January 1, 1991 to December 31, 2020.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">State Extreme Records<\/h3>\n\n\n\n<p>Arizona climate records are verified by the Arizona State Climatologist along with local National Weather Service partners and appropriate researchers in Arizona as members of the State Climate Extremes Committee (SCEC). Official records are then housed at the National Center for Environmental Information (NCEI).  <\/p>\n\n\n\n<p><a href=\"https:\/\/www.ncei.noaa.gov\/access\/monitoring\/scec\/records\/az\/all\"><strong>Official Arizona Extreme Records<\/strong><\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n\n\n<p><br><\/p>\n\n\n\n<figure><a href=\"https:\/\/asu.maps.arcgis.com\/apps\/mapviewer\/index.html?webmap=632f4ee0ba6a4882aa600c35fa1745b6&amp;center=-111.791382%2C34.361576&amp;level=7\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2025\/08\/records.png\" class=\"img-fluid\" style=\"width:350px;height:auto\" alt=\"Southwest U.S. station climate summaries\"><\/a><figcaption style=\"text-align: center;\"><\/figure>\n\n\n\n<p><em>Click on this image to access Arizona weather records and climate calendars<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading mt-6 mb-4\">Southwest climate summaries<\/h2>\n\n\n\nClimate summaries are available for stations in Arizona and New Mexico. These records are available based on the Water Year (October to September), Calendar Year (January to December), and Monsoon Season (June 15-Sept 30).\n<p><\/p>\n\n\n\n<figure><a href=\"https:\/\/cals.arizona.edu\/climate\/misc\/stations\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/globalfutures.asu.edu\/azclimate\/wp-content\/uploads\/sites\/35\/2025\/06\/stationsummary.png\" class=\"img-fluid\" style=\"width:419px;height:auto\" alt=\"Southwest U.S. station climate summaries\"><\/a><figcaption style=\"text-align: center;\"><\/figure>\n\n\n\n<p><em>Click on this image to access station records<\/em><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n<div class=\"wp-bootstrap-blocks-row row\">\n\t\n\n<div class=\"col-12\">\n\t\t\t\n\n<h2 class=\"wp-block-heading mt-6 mb-4\">NWS climate archives<\/h2>\n\n\t<\/div>\n\n<\/div>\n\n\n<div class=\"wp-bootstrap-blocks-row row\">\n\t\n\n<div class=\"col-12 col-md-6\">\n\t\t\t\n<div class=\"uds-grid-links \"><a href=\"https:\/\/www.weather.gov\/psr\/MonthlyClimateArchive\" target=\"_self\" data-ga=\"Phoenix and Yuma\" data-ga-name=\"onclick\" data-ga-event=\"link\" data-ga-action=\"click\" data-ga-type=\"external link\" data-ga-region=\"main content\" data-ga-section=\"grid links\"><span class=\"fa-fw fas fa-map-pin\"><\/span>Phoenix and Yuma<\/a><a href=\"https:\/\/www.weather.gov\/twc\/CurrentObs\" target=\"_self\" data-ga=\"Tucson area\" data-ga-name=\"onclick\" data-ga-event=\"link\" data-ga-action=\"click\" data-ga-type=\"external link\" data-ga-region=\"main content\" data-ga-section=\"grid links\"><span class=\"fa-fw fas fa-map-pin\"><\/span>Tucson area<\/a><a href=\"https:\/\/www.weather.gov\/fgz\/MonthlyYearlyClimate\" target=\"_self\" data-ga=\"Northern Arizona\" data-ga-name=\"onclick\" data-ga-event=\"link\" data-ga-action=\"click\" data-ga-type=\"external link\" data-ga-region=\"main content\" data-ga-section=\"grid links\"><span class=\"fa-fw fas fa-map-pin\"><\/span>Northern Arizona<\/a><\/div><!-- end .uds-grid-links -->\n\t<\/div>\n\n\n\n<div class=\"col-12 col-md-6\">\n\t\t\t\t<\/div>\n\n<\/div>\n\n\n<div class=\"wp-bootstrap-blocks-row row\">\n\t\n\n<div class=\"col-12 col-md-6\">\n\t\t\t\t<\/div>\n\n<\/div>\n\n\t<\/div>\n\n\n\n<div class=\"col-12 col-md-4 mb-6\">\n\t\t\t\t<\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":28,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"wf_page_folders":[],"class_list":["post-31","page","type-page","status-publish","hentry"],"uds_featured_image":null,"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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