{"name":"Sohn Creek","slug":"sohn-creek","river_id":null,"bbox":[-84.4196,44.6712,-84.31302,44.72533],"generated_at":"2026-09-28T18:51:55Z","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":"04135800","name":"North Branch Au Sable River at Kelloggs Br","short":"North Branch Au Sable River at Kelloggs Br","lat":44.7167,"lon":-84.4196,"rm":null,"july_mean_f":65.54,"live":{"cfs":210.0,"at_cfs":"2026-09-28T17:45:00+00:00","at":"2026-09-28T17:45:00+00:00","provisional":true,"gage_ft":3.1,"at_gage_ft":"2026-09-28T17:45:00+00:00","temp_c":12.7,"at_temp_c":"2026-09-28T17:45:00+00:00","temp_f":54.9,"thermal_class":"Cold"}}],"river":{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"july_class":"Unknown"},"geometry":{"type":"MultiLineString","coordinates":[[[-84.33979,44.71640999999998],[-84.3404,44.71607000000005]],[[-84.34352,44.71215000000004],[-84.34334,44.710619999999935]],[[-84.34228,44.715039999999966],[-84.34412,44.71381999999999]],[[-84.3224,44.724979999999995],[-84.32749,44.72532999999997],[-84.33016,44.72475000000001],[-84.33159,44.72375000000004],[-84.3319,44.72032999999998]],[[-84.33234,44.71959000000005],[-84.33553,44.71911000000002],[-84.33707,44.717910000000025]],[[-84.34703,44.69263999999998],[-84.34708,44.69220999999999],[-84.34656,44.69191000000004]],[[-84.34334,44.710619999999935],[-84.34324,44.70995999999996],[-84.34422,44.70823999999996],[-84.34402,44.70665999999996],[-84.34359,44.706150000000044]],[[-84.34412,44.71381999999999],[-84.34444,44.71405999999999],[-84.3447,44.71388000000001],[-84.34478,44.71327999999997],[-84.34371000000002,44.712639999999986],[-84.34352,44.71215000000004]],[[-84.33082,44.68446999999999],[-84.32987,44.68379999999998],[-84.32637,44.68311000000001],[-84.32146,44.68157999999997],[-84.31752,44.67992000000001],[-84.31661,44.67904000000002],[-84.31634,44.67798000000001],[-84.31559,44.67756999999999],[-84.31527,44.674569999999996],[-84.31312,44.67136999999998]],[[-84.34501000000002,44.69178999999993],[-84.34344,44.691470000000024],[-84.34265,44.690859999999965],[-84.34223,44.69104999999998],[-84.33864,44.68906000000002],[-84.33824,44.688300000000034],[-84.33592,44.68674],[-84.33478,44.68670999999999]],[[-84.34359,44.706150000000044],[-84.34310000000002,44.70526000000004],[-84.34357,44.704669999999986],[-84.34302000000001,44.70413000000004],[-84.34373,44.70301999999995],[-84.34298,44.701679999999996],[-84.34314,44.70106999999998]],[[-84.3435,44.70048],[-84.34344,44.699909999999996],[-84.34428,44.69917999999998],[-84.34456,44.69798000000002],[-84.34567,44.69629999999995],[-84.34541,44.69539000000001],[-84.34632,44.69451000000002],[-84.34634,44.69370999999998],[-84.34703,44.69263999999998]],[[-84.33104,44.68516],[-84.33082,44.68446999999999]],[[-84.31312,44.67136999999998],[-84.31302,44.67120000000004]],[[-84.3404,44.71607000000005],[-84.34183,44.71528999999997]],[[-84.33707,44.717910000000025],[-84.33746,44.71769999999999]],[[-84.34314,44.70106999999998],[-84.3435,44.70048]]]}},{"type":"Feature","properties":{"july_class":"Cold-transitional"},"geometry":{"type":"MultiLineString","coordinates":[[[-84.3319,44.72032999999998],[-84.33234,44.71959000000005]],[[-84.33746,44.71769999999999],[-84.33979,44.71640999999998]],[[-84.34183,44.71528999999997],[-84.34228,44.715039999999966]],[[-84.34656,44.69191000000004],[-84.34501000000002,44.69178999999993]],[[-84.33478,44.68670999999999],[-84.33328,44.68600999999998],[-84.33224,44.68605999999999],[-84.33145,44.68573999999999],[-84.33104,44.68516]]]}}]},"land":{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"name":"GRAYLING MANAGEMENT UNIT","owner":"Michigan DNR"},"geometry":{"type":"MultiPolygon","coordinates":[[[[-84.392319,44.737117],[-84.392342,44.74072399999997],[-84.402298,44.74089300000001],[-84.401644,44.75570699999996],[-84.4071,44.75578338957586],[-84.4071,44.78533],[-84.40133086199094,44.78533],[-84.40136,44.78338599999998],[-84.391412,44.783438000000004],[-84.39138855881515,44.78533],[-84.35921637322632,44.78533],[-84.35922400000001,44.78332200000004],[-84.312097,44.78312800000002],[-84.31323217771883,44.78532999999999],[-84.29312197146145,44.78533],[-84.290138,44.78312800000002],[-84.292988,44.783126999999965],[-84.29284400000002,44.77589299999999],[-84.28097200000002,44.775900000000014],[-84.256955,44.75675399999999],[-84.25301999999999,44.75347976237626],[-84.25301999999999,44.72876890515463],[-84.26182600000001,44.72881299999996],[-84.261786,44.72158400000002],[-84.25301999999999,44.721519385749374],[-84.25301999999999,44.71788771768636],[-84.25668,44.717922999999956],[-84.256661,44.71429800000004],[-84.271898,44.71447300000002],[-84.271929,44.718065999999986],[-84.27703300000002,44.718000999999994],[-84.276985,44.710815],[-84.261716,44.710743],[-84.261655,44.70350100000004],[-84.27179600000001,44.703596999999995],[-84.27183100000002,44.70723900000003],[-84.282081,44.707132],[-84.282137,44.71793599999999],[-84.292346,44.717805],[-84.292343,44.714211],[-84.302573,44.71408499999998],[-84.302574,44.710480000000004],[-84.309486,44.710388000000016],[-84.309486,44.70910800000004],[-84.30769,44.70910800000002],[-84.307689,44.706782000000004],[-84.312808,44.70670100000001],[-84.312808,44.703057999999956],[-84.317866,44.703044],[-84.317906,44.70669999999994],[-84.32300400000001,44.706699],[-84.323083,44.710367999999946],[-84.338429,44.710342000000004],[-84.338361,44.713904000000014],[-84.343434,44.71387300000001],[-84.343234,44.724615000000014],[-84.333082,44.72456799999999],[-84.333251,44.731861000000016],[-84.32816100000001,44.73191199999998],[-84.328314,44.739196000000014],[-84.323208,44.739237000000024],[-84.32324,44.74281899999998],[-84.318124,44.742865000000016],[-84.318146,44.746451],[-84.3284,44.74635000000001],[-84.328442,44.74992699999996],[-84.343706,44.74988400000003],[-84.343776,44.75705899999998],[-84.348842,44.757055999999984],[-84.348769,44.74989000000003],[-84.353743,44.74989599999996],[-84.353693,44.74635899999999],[-84.363912,44.746225],[-84.364061,44.76882499999997],[-84.376659,44.76887299999999],[-84.376897,44.754943],[-84.381884,44.75515199999997],[-84.382239,44.74068200000004],[-84.387291,44.74070299999993],[-84.38727,44.73709200000002],[-84.392319,44.737117]],[[-84.323083,44.710367999999946],[-84.312808,44.71034300000003],[-84.312796,44.71757499999994],[-84.323008,44.717528000000044],[-84.323083,44.710367999999946]],[[-84.348842,44.757055999999984],[-84.348842,44.76067700000002],[-84.353905,44.760674000000016],[-84.353909,44.75705399999997],[-84.348842,44.757055999999984]],[[-84.282336,44.753940999999976],[-84.282356,44.75756099999999],[-84.277281,44.757661],[-84.277279,44.76128100000003],[-84.272182,44.761381000000014],[-84.272158,44.76500100000004],[-84.282395,44.76480200000001],[-84.282544,44.77228400000003],[-84.292772,44.77227599999996],[-84.29263,44.764601999999954],[-84.282698,44.764796000000004],[-84.282376,44.76118199999999],[-84.287472,44.76108199999994],[-84.28743100000001,44.75746200000002],[-84.292505,44.75736200000002],[-84.291551,44.76100200000003],[-84.29592,44.760972999999936],[-84.295933,44.76189699999999],[-84.297698,44.761448999999956],[-84.297592,44.75372800000003],[-84.282336,44.753940999999976]],[[-84.282336,44.753940999999976],[-84.28228,44.746732],[-84.272123,44.746919],[-84.27223000000001,44.75413900000002],[-84.282336,44.753940999999976]],[[-84.292399,44.74294600000003],[-84.292415,44.74654400000003],[-84.297564,44.746534000000054],[-84.29755,44.742937],[-84.302703,44.742928000000006],[-84.302689,44.73933300000003],[-84.307843,44.739325999999984],[-84.307801,44.735708],[-84.287293,44.73584100000003],[-84.287325,44.74303700000003],[-84.292399,44.74294600000003]],[[-84.313053,44.75730599999997],[-84.307916,44.75732],[-84.307952,44.76256400000001],[-84.307005,44.76256499999999],[-84.307855,44.76456199999999],[-84.302853,44.76457500000004],[-84.302895,44.768691],[-84.333678,44.76884499999996],[-84.333643,44.757062999999995],[-84.328468,44.75712399999997],[-84.328485,44.753503000000016],[-84.313041,44.75368499999999],[-84.313053,44.75730599999997]],[[-84.302895,44.768691],[-84.297797,44.768674999999995],[-84.297921,44.775902],[-84.302999,44.77591100000004],[-84.302895,44.768691]],[[-84.31042,44.77231899999996],[-84.312148,44.775926999999996],[-84.313154,44.77592899999996],[-84.313123,44.77232500000001],[-84.31042,44.77231899999996]],[[-84.322933,44.72468800000001],[-84.317859,44.724746999999994],[-84.31798,44.732012000000005],[-84.323071,44.73196199999999],[-84.322933,44.72468800000001]],[[-84.33356,44.77241200000001],[-84.323341,44.77236899999999],[-84.323412,44.77953900000002],[-84.333638,44.779545000000006],[-84.33356,44.77241200000001]],[[-84.338704,44.77603700000003],[-84.338749,44.779624000000005],[-84.343861,44.779702000000015],[-84.34381,44.77609499999998],[-84.338704,44.77603700000003]],[[-84.353959,44.77256499999999],[-84.354084,44.779857999999955],[-84.359163,44.77970999999996],[-84.35904,44.77248399999994],[-84.353959,44.77256499999999]],[[-84.401521,44.75932599999997],[-84.396614,44.759257],[-84.39647600000002,44.762876],[-84.401397,44.762945999999985],[-84.401521,44.75932599999997]]],[[[-84.4071,44.730105243615895],[-84.4071,44.7373508789245],[-84.392319,44.737117],[-84.392272,44.72990300000005],[-84.4071,44.730105243615895]]],[[[-84.261655,44.70350100000004],[-84.256584,44.703452000000034],[-84.256613,44.707063000000005],[-84.25301999999999,44.70702121269464],[-84.25301999999999,44.67603051933701],[-84.253776,44.67421200000003],[-84.266443,44.67407000000002],[-84.266472,44.67768999999999],[-84.271539,44.67763299999999],[-84.27157,44.68149400000003],[-84.266503,44.68150499999998],[-84.266542,44.685200999999964],[-84.271609,44.685198999999976],[-84.271687,44.69260899999998],[-84.281956,44.692572999999996],[-84.282013,44.696283],[-84.276869,44.696298999999975],[-84.276898,44.69992799999999],[-84.271761,44.69995600000005],[-84.271726,44.69631400000005],[-84.261593,44.69625799999996],[-84.261655,44.70350100000004]]],[[[-84.25301999999999,44.75457771207641],[-84.279371,44.77590100000002],[-84.272377,44.775904999999966],[-84.2725,44.783131],[-84.288741,44.78312800000002],[-84.29180293137256,44.78533],[-84.25301999999999,44.78533],[-84.25301999999999,44.75457771207641]],[[-84.256324,44.75781099999997],[-84.256961,44.758345000000006],[-84.256959,44.757808999999995],[-84.256324,44.75781099999997]]],[[[-84.313065,44.76092699999997],[-84.313053,44.75730599999997],[-84.32333,44.75718500000001],[-84.323322,44.760805999999995],[-84.313065,44.76092699999997]]],[[[-84.323421,44.67306999999999],[-84.322051,44.673322999999996],[-84.32196200000001,44.67120899999998],[-84.323421,44.67306999999999]]],[[[-84.32709,44.674481000000014],[-84.332205,44.676496999999976],[-84.332228,44.67686899999998],[-84.327216,44.67690600000002],[-84.32709,44.674481000000014]]],[[[-84.353041,44.662108],[-84.35332200000002,44.66295599999998],[-84.351423,44.665629999999986],[-84.351337,44.66215299999998],[-84.353041,44.662108]]],[[[-84.355313,44.717423000000025],[-84.355377,44.71379699999997],[-84.358645,44.71377300000003],[-84.358582,44.717415],[-84.355313,44.717423000000025]]],[[[-84.365177,44.717398000000045],[-84.360072,44.71741100000006],[-84.360146,44.710114],[-84.365287,44.710051],[-84.365177,44.717398000000045]]],[[[-84.367143,44.669119000000016],[-84.367418,44.67256999999998],[-84.364782,44.67266999999999],[-84.364546,44.66970000000002],[-84.367143,44.669119000000016]]]]}},{"type":"Feature","properties":{"name":"Au Sable State Forest - Grayling Unit","owner":"Michigan Department of Natural Resources"},"geometry":{"type":"MultiPolygon","coordinates":[[[[-84.289477,44.67613400000006],[-84.290567,44.67567200000001],[-84.291987,44.67676399999995],[-84.291989,44.67493399999998],[-84.29389,44.67492099999999],[-84.295105,44.67385800000008],[-84.296943,44.67485699999999],[-84.29701200000001,44.67727899999996],[-84.29895700000002,44.67723000000001],[-84.299193,44.67433099999999],[-84.297812,44.673146999999986],[-84.301881,44.67235099999999],[-84.30192,44.673586],[-84.304421,44.673538999999984],[-84.304381,44.66948000000001],[-84.306247,44.670859000000014],[-84.309151,44.67034900000001],[-84.311447,44.672056999999995],[-84.318291,44.669475999999996],[-84.320966,44.670735],[-84.323572,44.67363900000005],[-84.332125,44.67665999999995],[-84.322139,44.67678100000001],[-84.32239,44.68121499999999],[-84.287001,44.68144599999996],[-84.286967,44.67848899999999],[-84.289489,44.678431999999965],[-84.289477,44.67613400000006]]],[[[-84.292342,44.707010000000004],[-84.292323,44.699858999999954],[-84.297402,44.699752999999994],[-84.297417,44.70693000000006],[-84.292342,44.707010000000004]]],[[[-84.352901,44.68834999999999],[-84.352838,44.68105400000003],[-84.362939,44.681006],[-84.363004,44.691951000000024],[-84.371671,44.69190899999998],[-84.371666,44.699175000000004],[-84.368176,44.699209999999965],[-84.368261,44.70283900000007],[-84.353421,44.702933],[-84.353508,44.706586],[-84.348458,44.706587],[-84.348339,44.70293899999999],[-84.3432,44.70296100000001],[-84.342873,44.69552199999999],[-84.32777,44.695581],[-84.327605,44.68843999999999],[-84.322535,44.68841299999998],[-84.322443,44.68124599999999],[-84.333309,44.68114899999998],[-84.332285,44.67669699999999],[-84.336106,44.67731099999995],[-84.336204,44.67886700000007],[-84.338743,44.678842000000046],[-84.338643,44.67653299999998],[-84.342291,44.676432999999996],[-84.342006,44.672906999999924],[-84.347073,44.672827999999996],[-84.346519,44.665790999999984],[-84.348945,44.66536099999999],[-84.349672,44.662835999999956],[-84.352877,44.662339999999986],[-84.351801,44.66569400000002],[-84.348954,44.66574900000005],[-84.34920700000002,44.66927799999998],[-84.351653,44.66924],[-84.351843,44.67100200000006],[-84.357125,44.67090600000001],[-84.35723,44.67269700000002],[-84.36245,44.672628],[-84.36264,44.676167],[-84.352299,44.67622699999998],[-84.352664,44.681022999999996],[-84.342644,44.681179],[-84.342783,44.68835900000001],[-84.352901,44.68834999999999]]],[[[-84.32837200000002,44.74278999999998],[-84.338395,44.74278400000001],[-84.338395,44.74629999999996],[-84.328415,44.74633400000003],[-84.32837200000002,44.74278999999998]]],[[[-84.396877,44.70808500000001],[-84.396835,44.71172300000003],[-84.392135,44.71167100000001],[-84.392221,44.726280000000045],[-84.382157,44.72621200000001],[-84.382187,44.72978299999999],[-84.372022,44.72976800000004],[-84.372077,44.73899600000004],[-84.363873,44.73911800000002],[-84.363737,44.73187899999999],[-84.343427,44.73185800000002],[-84.343312,44.724609999999956],[-84.35854,44.724689000000005],[-84.358609,44.721069999999955],[-84.353549,44.72103999999999],[-84.353622,44.71744600000003],[-84.356603,44.71742499999998],[-84.356481,44.71250799999999],[-84.353692,44.71244799999995],[-84.353607,44.71022199999997],[-84.363732,44.71003300000002],[-84.363602,44.72473999999997],[-84.371994,44.72484100000002],[-84.371846,44.70417799999999],[-84.392043,44.70428600000004],[-84.392019,44.69695300000005],[-84.4071,44.697284712479394],[-84.4071,44.70464082300885],[-84.402025,44.70455100000003],[-84.401849,44.708234999999966],[-84.396877,44.70808500000001]]],[[[-84.36714900000001,44.66905000000001],[-84.367729,44.67251899999999],[-84.365148,44.67255599999998],[-84.365119,44.669698000000025],[-84.36714900000001,44.66905000000001]]],[[[-84.369683,44.67003500000001],[-84.372161,44.670863000000026],[-84.371677,44.676095999999994],[-84.367869,44.67612299999997],[-84.367774,44.672551],[-84.369716,44.67251099999998],[-84.369683,44.67003500000001]]],[[[-84.376635,44.68852299999998],[-84.37666,44.68971799999999],[-84.37173,44.68971599999998],[-84.371719,44.68816799999998],[-84.376635,44.68852299999998]]],[[[-84.376705,44.68974999999996],[-84.381635,44.689752000000034],[-84.381776,44.69334099999998],[-84.391948,44.693355000000004],[-84.391974,44.69690399999996],[-84.376845,44.696900000000014],[-84.376705,44.68974999999996]]],[[[-84.401608,44.68627500000004],[-84.401654,44.675813000000005],[-84.396642,44.67568699999996],[-84.396698,44.668457],[-84.4071,44.66865755056001],[-84.4071,44.686393461354136],[-84.401608,44.68627500000004]]]]}}]}}