{
 "naam": "Hijsweerwijzer: dagen met te veel wind of regen voor kraanwerk, per maand",
 "bron": "Dakkapel Noord-Holland, https://dakkapelnoordholland.nl/hijsweer-dakkapel/",
 "licentie": "CC BY 4.0, vrij te gebruiken met bronvermelding en werkende link",
 "peildatum": "16 oktober 2026",
 "periode": [
  2016,
  2025
 ],
 "gegevensbron": "KNMI daggegevens, station 240 Schiphol en 235 De Kooy (CC BY 4.0)",
 "definities": {
  "b5": "dagen per jaar met hoogste uurgemiddelde windsnelheid vanaf 8,0 m/s (windkracht 5)",
  "b6": "idem vanaf 10,8 m/s (windkracht 6)",
  "b7": "idem vanaf 13,9 m/s (windkracht 7)",
  "nat": "dagen met 1,0 mm neerslag of meer",
  "ok5": "werkbaar bij windkracht 5 als grens: minder dan 8,0 m/s en minder dan 1,0 mm neerslag",
  "ok6": "werkbaar bij windkracht 6 als grens: minder dan 10,8 m/s en minder dan 1,0 mm neerslag"
 },
 "stations": {
  "Schiphol": {
   "januari": {
    "ok6": 15.5,
    "ok5": 11.8,
    "b5": 16.8,
    "nat": 13.4,
    "b6": 7.3,
    "b7": 2.3
   },
   "februari": {
    "b5": 15.6,
    "b6": 6.9,
    "b7": 2.7,
    "nat": 11.6,
    "ok6": 15.0,
    "ok5": 10.1
   },
   "maart": {
    "b5": 13.6,
    "nat": 9.7,
    "ok6": 19.5,
    "ok5": 14.0,
    "b6": 5.7,
    "b7": 2.1
   },
   "april": {
    "ok6": 20.4,
    "ok5": 15.3,
    "nat": 8.8,
    "b5": 11.5,
    "b6": 2.8,
    "b7": 0.3
   },
   "mei": {
    "ok6": 21.7,
    "ok5": 16.8,
    "b5": 10.0,
    "nat": 8.7,
    "b6": 1.6,
    "b7": 0.3
   },
   "juni": {
    "b5": 8.6,
    "ok6": 20.2,
    "ok5": 16.5,
    "nat": 9.0,
    "b6": 1.9,
    "b7": 0.2
   },
   "juli": {
    "b5": 11.0,
    "nat": 10.2,
    "ok6": 20.3,
    "ok5": 15.6,
    "b6": 1.9,
    "b7": 0.2
   },
   "augustus": {
    "ok6": 20.6,
    "ok5": 16.8,
    "nat": 9.8,
    "b5": 9.9,
    "b6": 1.7,
    "b7": 0.4
   },
   "september": {
    "ok6": 19.0,
    "ok5": 16.0,
    "b5": 9.7,
    "nat": 10.4,
    "b6": 2.4,
    "b7": 0.2
   },
   "oktober": {
    "nat": 13.6,
    "b5": 13.5,
    "ok6": 17.0,
    "ok5": 13.0,
    "b6": 3.4,
    "b7": 0.6
   },
   "november": {
    "ok6": 14.5,
    "ok5": 12.2,
    "b5": 12.6,
    "nat": 15.1,
    "b6": 3.0,
    "b7": 0.6
   },
   "december": {
    "ok6": 15.6,
    "ok5": 11.8,
    "nat": 13.8,
    "b5": 15.0,
    "b6": 6.5,
    "b7": 1.2
   }
  },
  "De Kooy": {
   "januari": {
    "ok6": 14.2,
    "ok5": 9.7,
    "b5": 19.0,
    "nat": 13.5,
    "b6": 10.5,
    "b7": 3.9
   },
   "februari": {
    "b5": 18.1,
    "b6": 9.1,
    "b7": 3.8,
    "nat": 10.4,
    "ok6": 14.2,
    "ok5": 8.5
   },
   "maart": {
    "b5": 15.0,
    "b6": 7.0,
    "nat": 9.1,
    "ok6": 18.9,
    "ok5": 13.5,
    "b7": 2.8
   },
   "april": {
    "ok6": 20.5,
    "ok5": 14.0,
    "nat": 8.0,
    "b5": 14.3,
    "b6": 3.5,
    "b7": 0.4
   },
   "mei": {
    "ok6": 22.8,
    "ok5": 16.7,
    "b5": 10.8,
    "nat": 7.6,
    "b6": 1.7,
    "b7": 0.3
   },
   "juni": {
    "b5": 10.3,
    "ok6": 20.7,
    "nat": 8.4,
    "ok5": 15.7,
    "b6": 2.0,
    "b7": 0.3
   },
   "juli": {
    "b5": 10.2,
    "nat": 8.1,
    "ok6": 21.5,
    "ok5": 17.0,
    "b6": 2.7,
    "b7": 0.4
   },
   "augustus": {
    "nat": 9.3,
    "b5": 11.4,
    "ok6": 20.7,
    "ok5": 15.4,
    "b6": 2.0,
    "b7": 0.4
   },
   "september": {
    "ok6": 17.4,
    "ok5": 13.5,
    "b5": 11.2,
    "nat": 11.9,
    "b6": 3.5,
    "b7": 0.6
   },
   "oktober": {
    "nat": 14.1,
    "b5": 17.6,
    "ok6": 15.6,
    "ok5": 10.0,
    "b6": 6.2,
    "b7": 1.2
   },
   "november": {
    "ok6": 13.5,
    "ok5": 10.0,
    "b5": 15.7,
    "nat": 15.4,
    "b6": 6.0,
    "b7": 1.6
   },
   "december": {
    "ok6": 14.6,
    "ok5": 9.9,
    "nat": 13.6,
    "b5": 18.0,
    "b6": 8.5,
    "b7": 2.7
   }
  }
 }
}