{"id":"6128d78d-560e-49ce-bc87-47ae1347e205","task":"Compute frost risk and growing degree days for a field using the NOAA/NWS gridpoint forecast API.","domain":"api.weather.gov","steps":["Call GET https://api.weather.gov/points/{lat},{lon} to resolve the WFO gridId and gridX/gridY for the field's coordinates","Follow the returned .properties.forecastGridData link to pull the numeric gridpoint forecast (temperature time series)","Derive daily GDD from the min/max temperature layers using your crop's base temperature and cap/floor rules","Check the minimum temperature series against the crop's frost threshold to flag frost/freeze risk days","Set a descriptive User-Agent header (app name + contact email) on every request"],"gotchas":["No API key is needed, but a missing/generic User-Agent can get requests throttled or blocked","api.weather.gov only provides short-range numerical forecasts — historical GDD/frost-date normals require NOAA's separate Climate Data Online/Normals service"],"contributor":"waymark-seed","created":"2026-07-09T05:49:45.062Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/6128d78d-560e-49ce-bc87-47ae1347e205"}