anchor.diff:  smhi_81310,Heden,81310,Munkedals kommun,Västra Götalands län,"smhi_81380,smhi_81340,smhi_81320"
   smhi_81320,Dingle,81320,Munkedals kommun,Västra Götalands län,"smhi_81380,smhi_81310,smhi_81340"
   smhi_81340,Svarteborg,81340,Munkedals kommun,Västra Götalands län,"smhi_81380,smhi_81310,smhi_81320"
  -smhi_81350,Väderöarna Aut,81350,Tanums kommun,Västra Götalands län,"smhi_81670,smhi_81640,smhi_81370,smhi_81420,smhi_81650"
  +smhi_81350,Väderöarna,81350,Tanums kommun,Västra Götalands län,"smhi_81670,smhi_81640,smhi_81370,smhi_81420,smhi_81650"
   smhi_81370,Hud V,81370,Tanums kommun,Västra Götalands län,"smhi_81670,smhi_81640,smhi_81350,smhi_81420,smhi_81650"
   smhi_81380,Sanne,81380,Munkedals kommun,Västra Götalands län,"smhi_81310,smhi_81340,smhi_81320"
   smhi_81420,Grebbestad,81420,Tanums kommun,Västra Götalands län,"smhi_81670,smhi_81640,smhi_81350,smhi_81370,smhi_81650"
  
positive.code: smhi_97740,Tureberg,97740,Sollentuna kommun,Stockholms län,
  smhi_97750,Skeppsta,97750,Gnesta kommun,Södermanlands län,"smhi_96080,smhi_97620,smhi_97730,smhi_96710"
  smhi_98030,Sundby,98030,Haninge kommun,Stockholms län,"smhi_88570,smhi_98610,smhi_98080,smhi_98040,smhi_98090,smhi_88580,smhi_88560,smhi_98110"
  smhi_98040,Hårsfjärden,98040,Haninge kommun,Stockholms län,"smhi_88570,smhi_98610,smhi_98080,smhi_98090,smhi_98030,smhi_88580,smhi_88560,smhi_98110"
  smhi_98060,Gillinge D,98060,Värmdö kommun,Stockholms län,"smhi_99150,smhi_98340,smhi_98160,smhi_98290,smhi_98170,smhi_98620,smhi_98190,smhi_98180,smhi_98320"
  smhi_98080,Västerhaninge,98080,Haninge kommun,Stockholms län,"smhi_88570,smhi_98610,smhi_98040,smhi_98090,smhi_98030,smhi_88580,smhi_88560,smhi_98110"
  smhi_98090,Dalarö D,98090,Haninge kommun,Stockholms län,"smhi_88570,smhi_98610,smhi_98080,smhi_98040,smhi_98030,smhi_88580,smhi_88560,smhi_98110"
  
negative.code: smhi_161680,Sunderbyn,161680,Luleå kommun,Norrbottens län,"smhi_162870,smhi_162980,smhi_162970,smhi_162790,smhi_162860,smhi_161900"
  smhi_161690,Älvsby Skogsskola,161690,Älvsbyns kommun,Norrbottens län,"smhi_161910,smhi_160980"
  smhi_161700,Byske-Vitsjön D,161700,Skellefteå kommun,Västerbottens län,"smhi_151640,smhi_151550,smhi_150530,smhi_150460,smhi_149400,smhi_151290,smhi_150440,smhi_150450,smhi_150280,smhi_150500,smhi_160710,smhi_151380,smhi_161710,smhi_160790,smhi_150270,smhi_151570,smhi_160740,smhi_149370,smhi_150640,smhi_151220,smhi_151240,smhi_160750,smhi_160600,smhi_151280,smhi_150210"
  smhi_161710,Pite-Rönnskär,161710,Skellefteå kommun,Västerbottens län,"smhi_151640,smhi_151550,smhi_150530,smhi_150460,smhi_149400,smhi_151290,smhi_161700,smhi_150440,smhi_150450,smhi_150280,smhi_150500,smhi_160710,smhi_151380,smhi_160790,smhi_150270,smhi_151570,smhi_160740,smhi_149370,smhi_150640,smhi_151220,smhi_151240,smhi_160750,smhi_160600,smhi_151280,smhi_150210"
  smhi_161770,Pitsund,161770,Piteå kommun,Norrbottens län,"smhi_161810,smhi_161790,smhi_160610,smhi_160800,smhi_161780,smhi_161800,smhi_160850"
  smhi_161780,Haraholmen,161780,Piteå kommun,Norrbottens län,"smhi_161810,smhi_161790,smhi_160610,smhi_160800,smhi_161770,smhi_161800,smhi_160850"
  smhi_161790,Piteå,161790,Piteå kommun,Norrbottens län,"smhi_161810,smhi_160610,smhi_160800,smhi_161770,smhi_161780,smhi_161800,smhi_160850"
  