{"name":"Old Au Sable River","slug":"old-au-sable-river","river_id":null,"bbox":[-83.4339,44.37308,-83.33078,44.4364],"generated_at":"2026-09-28T18:52:47Z","basis":"vsec","breaks":[58,64,70],"thermal":{"Cold":{"color":"#0f6e56","dark":"#3f9b7f"},"Cold-transitional":{"color":"#3d7c9c","dark":"#6aa6c4"},"Cool":{"color":"#c98a3b","dark":"#d9a256"},"Warm":{"color":"#a94b32","dark":"#c46a4f"},"Unknown":{"color":"#9a9384","dark":"#7c766a"}},"sites":[{"site_no":"04137500","name":"Au Sable River near Au Sable","short":"Au Sable River near Au Sable","lat":44.4364,"lon":-83.4339,"rm":null,"july_mean_f":75.51,"live":{"cfs":1160.0,"at_cfs":"2026-09-28T18:30:00+00:00","at":"2026-09-28T18:30:00+00:00","provisional":true,"gage_ft":8.51,"at_gage_ft":"2026-09-28T18:30:00+00:00","temp_c":18.4,"at_temp_c":"2026-09-28T18:30:00+00:00","temp_f":65.1,"thermal_class":"Cool"}}],"river":{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"july_class":"Unknown"},"geometry":{"type":"MultiLineString","coordinates":[[[-83.33998,44.394479999999966],[-83.33899,44.393370000000054]],[[-83.34046,44.39979999999998],[-83.34039,44.39987]],[[-83.34216,44.39464999999997],[-83.34159,44.39516000000003],[-83.34058000000002,44.395230000000005]],[[-83.34058000000002,44.395230000000005],[-83.33998,44.394479999999966]]]}},{"type":"Feature","properties":{"july_class":"Warm"},"geometry":{"type":"MultiLineString","coordinates":[[[-83.34099,44.37370000000001],[-83.34121,44.37320000000002],[-83.34179000000002,44.373079999999995],[-83.34311,44.37374000000004],[-83.34338,44.374279999999956],[-83.34305,44.37586000000001],[-83.34601,44.37692999999997],[-83.34638,44.377899999999975],[-83.3461,44.37886999999997],[-83.34553,44.37960000000001],[-83.34341,44.38028000000005],[-83.34108,44.37927000000003],[-83.34072,44.38085999999995],[-83.33749,44.38239999999999],[-83.33635,44.38368999999994],[-83.33628,44.384640000000005],[-83.33744,44.38577000000001],[-83.33894000000001,44.38584000000002],[-83.34055,44.38536000000003],[-83.34214000000001,44.385900000000014],[-83.34295,44.386640000000014],[-83.34375,44.38845999999997],[-83.34370000000001,44.38927000000003],[-83.34306,44.390040000000056],[-83.34215,44.390180000000015],[-83.33878,44.38832000000001],[-83.33739,44.38847999999995],[-83.33561,44.38917000000002],[-83.3351,44.390089999999994],[-83.33561,44.391320000000015],[-83.33641,44.39190999999999]],[[-83.33641,44.39190999999999],[-83.34134,44.392639999999965],[-83.34224,44.39363],[-83.34216,44.39464999999997]],[[-83.33899,44.393370000000054],[-83.33733,44.39301],[-83.33579,44.393929999999976]],[[-83.33579,44.393929999999976],[-83.33453,44.39533999999998],[-83.33443000000001,44.396999999999956],[-83.33505,44.39756]],[[-83.33505,44.39756],[-83.33777,44.39668000000001],[-83.3392,44.39724]],[[-83.3392,44.39724],[-83.34088,44.39889000000004],[-83.34046,44.39979999999998]],[[-83.34039,44.39987],[-83.33886,44.39969000000002]],[[-83.33886,44.39969000000002],[-83.33733,44.39846999999999],[-83.33622,44.398399999999995],[-83.33543,44.39879999999996],[-83.3348,44.40055000000002],[-83.33577,44.40214999999999],[-83.33827,44.403969999999994],[-83.33925,44.40510999999995],[-83.33919,44.405659999999976],[-83.33778,44.40751999999997],[-83.33867,44.409390000000016],[-83.33867,44.41037999999999],[-83.33735,44.412730000000046],[-83.33453,44.41354000000001],[-83.3329,44.41578000000001],[-83.33211,44.41622000000001],[-83.33105,44.41619000000001]],[[-83.33105,44.41619000000001],[-83.33078,44.416199999999975]]]}}]},"land":{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"name":null,"owner":"Au Sable Township"},"geometry":{"type":"Polygon","coordinates":[[[-83.331426,44.40685499999996],[-83.330375,44.402738000000014],[-83.337278,44.402901000000035],[-83.337131,44.405090000000044],[-83.334892,44.40640000000002],[-83.332433,44.40544400000002],[-83.331426,44.40685499999996]]]}},{"type":"Feature","properties":{"name":"Finish Line Park","owner":"Au Sable Township"},"geometry":{"type":"Polygon","coordinates":[[[-83.330274,44.41643200000001],[-83.33046,44.41554100000005],[-83.330505,44.41644699999997],[-83.330274,44.41643200000001]]]}}]}}