\n\t\tSpring\n\t<\/h2>\n\t
temperature as cold or colder than<\/p>\n\t36\u00b0F<\/strong> temperature as cold or colder than<\/p>\n\t36\u00b0F<\/strong> temperature persistently above or equal to<\/p>\n\t36\u00b0F<\/strong> Freeze\/Frost Probability & Growing Season Length Freeze\/frost probability maps \u2013 based on 1981-2010 normals Spring temperature as cold or colder than 36\u00b0F Average last day of 36\u00b0F or lower 1 in 10 years have a last 36\u00b0F temp. before this date 1 in 10 years have a last 36\u00b0F temp. after this date 32\u00b0F Average…<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-195","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-json\/wp\/v2\/pages\/195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-json\/wp\/v2\/comments?post=195"}],"version-history":[{"count":12,"href":"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-json\/wp\/v2\/pages\/195\/revisions"}],"predecessor-version":[{"id":2654,"href":"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-json\/wp\/v2\/pages\/195\/revisions\/2654"}],"wp:attachment":[{"href":"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-json\/wp\/v2\/media?parent=195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nAverage last day of 36\u00b0F or lower<\/a>
\n1 in 10 years have a last 36\u00b0F temp. before this date<\/a>
\n1 in 10 years have a last 36\u00b0F temp. after this date<\/a>
\n32\u00b0F<\/strong>
\nAverage last day of 32\u00b0F or lower<\/a>
\n1 in 10 years have a last 32\u00b0F temp. before this date<\/a>
\n1 in 10 years have a last 32\u00b0F temp. after this date<\/a>
\n28\u00b0F<\/strong>
\nAverage last day of 28\u00b0F or lower<\/a>
\n1 in 10 years have a last 28\u00b0F temp. before this date<\/a>
\n1 in 10 years have a last 28\u00b0F temp. after this date<\/a>\n\n\t\tAutumn\n\t<\/h2>\n\t
\nAverage first day of 36\u00b0F or lower<\/a>
\n1 in 10 years have a first 36\u00b0F temp. before this date<\/a>
\n1 in 10 years have a first 36\u00b0F temp. after this date<\/a>
\n32\u00b0F<\/strong>
\nAverage first day of 32\u00b0F or lower<\/a>
\n1 in 10 years have a first 32\u00b0F temp. before this date<\/a>
\n1 in 10 years have a first 32\u00b0F temp. after this date<\/a>
\n28\u00b0F<\/strong>
\nAverage first day of 28\u00b0F or lower<\/a>
\n1 in 10 years have a first 28\u00b0F temp. before this date<\/a>
\n1 in 10 years have a first 28\u00b0F temp. after this date<\/a>\n\n\t\tGrowing Season Length\n\t<\/h2>\n\t
\nAverage growing season length days \u2265 36\u00b0F<\/a>
\n1 in 10 years have a first 36\u00b0F temp. before this date<\/a>
\n1 in 10 years have a first 36\u00b0F temp. after this date<\/a>
\n32\u00b0F<\/strong>
\nAverage growing season length days \u2265 32\u00b0F<\/a>
\n10% of days \u2265 32\u00b0F longer than<\/a>
\n90% of days \u2265 32\u00b0F longer than<\/a>
\n28\u00b0F<\/strong>
\nAverage growing season length days \u2265 28\u00b0F<\/a>
\n10% of days \u2265 28\u00b0F longer than<\/a>
\n90% of days \u2265 28\u00b0F longer than<\/a>\n\t\t\t\t\n\t\t\t\t![\"climatemaps-w\"](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/spring_last_36F_90pct-scaled.png\" "\\"climatemaps-w\\"")
\n\t\t\t\t<\/a>\n\n\t\t\n\t\tCLIMATE MAPS\n\t\t<\/a>\n\t<\/h3>\n\t\t\t\t\n\t\t\t\t
\n\t\t\t\t<\/a>\n\n\t\t\n\t\tDATA\n\t\t<\/a>\n\t<\/h3>\n\t\t\t\t\n\t\t\t\t
\n\t\t\t\t<\/a>\n\n\t\t\n\t\tTOOLS\n\t\t<\/a>\n\t<\/h3>\n","protected":false},"excerpt":{"rendered":"
![Average last day of 36\u00b0F or lower<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/spring_last_36F_average-scaled.png\"){kind=link}
![1 in 10 years have a last 36\u00b0F temp. before this date<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/spring_last_36F_10pct-scaled.png\"){kind=link}
![Average last day of 32\u00b0F or lower<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/spring_last_32F_average-scaled.png\"){kind=link}
![1 in 10 years have a last 32\u00b0F temp. before this date<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/spring_last_32F_10pct-scaled.png\"){kind=link}
![Average last day of 28\u00b0F or lower<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/spring_last_28F_average-scaled.png\"){kind=link}
![1 in 10 years have a last 28\u00b0F temp. before this date<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/spring_last_28F_10pct-scaled.png\"){kind=link}
![Average first day of 36\u00b0F or lower<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/autumn_first_36F_average-scaled.png\"){kind=link}
![1 in 10 years have a first 36\u00b0F temp. before this date<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/autumn_first_36F_10pct-scaled.png\"){kind=link}
![Average first day of 32\u00b0F or lower<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/autumn_first_32F_average-scaled.png\"){kind=link}
![1 in 10 years have a first 32\u00b0F temp. before this date<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/autumn_first_32F_10pct-scaled.png\"){kind=link}
![Average first day of 28\u00b0F or lower<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/autumn_first_28F_average-scaled.png\"){kind=link}
![1 in 10 years have a first 28\u00b0F temp. before this date<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/autumn_first_28F_10pct-scaled.png\"){kind=link}
![Average growing season length days \u2265 36\u00b0F<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/growing_season_36F_average-scaled.png\"){kind=link}
![1 in 10 years have a first 36\u00b0F temp. before this date<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/growing_season_36F_10pct-scaled.png\"){kind=link}
![Average growing season length days \u2265 32\u00b0F<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/growing_season_32F_average-scaled.png\"){kind=link}
![10% of days \u2265 32\u00b0F longer than<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/growing_season_32F_10pct-scaled.png\"){kind=link}
![Average growing season length days \u2265 28\u00b0F<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/growing_season_28F_average-scaled.png\"){kind=link}
![10% of days \u2265 28\u00b0F longer than<\/a>\n](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/growing_season_28F_10pct-scaled.png\"){kind=link}
![90% of days \u2265 28\u00b0F longer than<\/a>\n\t\t\t\t](\"https:\/\/ag.purdue.edu\/indiana-state-climate\/wp-content\/uploads\/2025\/10\/growing_season_28F_90pct-scaled.png\"){kind=link}