topic Points Solar Radiation - 1 minute time interval in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/points-solar-radiation-1-minute-time-interval/m-p/92524#M1292 <HTML><HEAD></HEAD><BODY><P>This may be a bug in the function.&nbsp; &nbsp;I was experimenting with different time intervals, and I ran this with several different time increments for one day.&nbsp; All other parameters were the same.&nbsp; &nbsp;Below are the results showing the sum total radiation for the point over the course of the day using different time intervals:</P><P></P><P>time (hrs): WH/m2&nbsp;</P><P>1: 4933.711117</P><P>0.5:&nbsp;4932.43362</P><P>0.3333:&nbsp;4932.708427</P><P>0.1&nbsp;min:&nbsp;4932.670403</P><P>0.016666667&nbsp;min:&nbsp;&nbsp;2884.326145</P><P></P><P>I don't really need the 1 minute interval, but thought it should be known that it should probably not be used.&nbsp;</P><P>I thought it might be due to too many records in the output table - but then I tried it for only one hour, and got a much lower value for the 1 minute interval.&nbsp;&nbsp;</P></BODY></HTML> Sat, 10 Oct 2020 00:05:38 GMT KevinAndras 2020-10-10T00:05:38Z Points Solar Radiation - 1 minute time interval https://community.esri.com/t5/arcgis-spatial-analyst-questions/points-solar-radiation-1-minute-time-interval/m-p/92524#M1292 <HTML><HEAD></HEAD><BODY><P>This may be a bug in the function.&nbsp; &nbsp;I was experimenting with different time intervals, and I ran this with several different time increments for one day.&nbsp; All other parameters were the same.&nbsp; &nbsp;Below are the results showing the sum total radiation for the point over the course of the day using different time intervals:</P><P></P><P>time (hrs): WH/m2&nbsp;</P><P>1: 4933.711117</P><P>0.5:&nbsp;4932.43362</P><P>0.3333:&nbsp;4932.708427</P><P>0.1&nbsp;min:&nbsp;4932.670403</P><P>0.016666667&nbsp;min:&nbsp;&nbsp;2884.326145</P><P></P><P>I don't really need the 1 minute interval, but thought it should be known that it should probably not be used.&nbsp;</P><P>I thought it might be due to too many records in the output table - but then I tried it for only one hour, and got a much lower value for the 1 minute interval.&nbsp;&nbsp;</P></BODY></HTML> Sat, 10 Oct 2020 00:05:38 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/points-solar-radiation-1-minute-time-interval/m-p/92524#M1292 KevinAndras 2020-10-10T00:05:38Z