{ "_id" : 1, "date" : ISODate("2019-06-23T00:00:00Z"), "tempsC : [ 4, 12, 17 ], "tempsF" : [ 39.2, 53.6, 62.6 ] }
{ "_id" : 2, "date" : ISODate("2019-07-07T00:00:00Z"), "tempsC" : [ 14, 24, 11 ], "tempsF" : [ 57.2, 75.2, 51.8 ] }
{ "_id" : 3, "date" : ISODate("2019-10-30T00:00:00Z"), "tempsC" : [ 18, 6, 8 ], "tempsF" : [ 64.4, 42.8, 46.4 ] }