https://community.esri.com/t5/spatial-statistics-questions/workflows-for-exploring-environmental-security/m-p/1336148#M2581 <P>This email is on ArcGIS blog "<A href="https://www.esri.com/arcgis-blog/products/arcgis-pro/analytics/the-science-of-where-workflows-for-exploring-environmental-security/" target="_self">The Science of Where: Workflows for exploring environmental security</A>". In paragraph 8 of the blog,it is mentioned that "when the space-time cube is created, a Mann-Kendall trend test is calculated for each station, to determine whether the Julian day of the warmest day is occurring later......"</P><P>So the space-time cube is made of daily temperature from 1991 to 2020. <EM>But how do you then determine whether the Julian day of the warmest day is occurring later, earlier, or not significantly different from the space time cube?</EM></P><P>I have created a space time cube for a local weather station, and lets say I know the the warmest day in the year generally occurs on 4th of October. In ArcGIS Pro, using Mann-Kendall in Generate Trend Raster, how do I identify whether the Julian warmest day is now occurring earlier,later, or not significant between 1991 to 2020 in my space time cube data.</P><P>Regards</P><P>&nbsp;</P> Sun, 08 Oct 2023 15:32:10 GMT mitchnuh 2023-10-08T15:32:10Z https://community.esri.com/t5/spatial-statistics-questions/workflows-for-exploring-environmental-security/m-p/1336148#M2581 <P>This email is on ArcGIS blog "<A href="https://www.esri.com/arcgis-blog/products/arcgis-pro/analytics/the-science-of-where-workflows-for-exploring-environmental-security/" target="_self">The Science of Where: Workflows for exploring environmental security</A>". In paragraph 8 of the blog,it is mentioned that "when the space-time cube is created, a Mann-Kendall trend test is calculated for each station, to determine whether the Julian day of the warmest day is occurring later......"</P><P>So the space-time cube is made of daily temperature from 1991 to 2020. <EM>But how do you then determine whether the Julian day of the warmest day is occurring later, earlier, or not significantly different from the space time cube?</EM></P><P>I have created a space time cube for a local weather station, and lets say I know the the warmest day in the year generally occurs on 4th of October. In ArcGIS Pro, using Mann-Kendall in Generate Trend Raster, how do I identify whether the Julian warmest day is now occurring earlier,later, or not significant between 1991 to 2020 in my space time cube data.</P><P>Regards</P><P>&nbsp;</P> Sun, 08 Oct 2023 15:32:10 GMT https://community.esri.com/t5/spatial-statistics-questions/workflows-for-exploring-environmental-security/m-p/1336148#M2581 mitchnuh 2023-10-08T15:32:10Z