# ai.txt — sunny.day
# Terms for AI crawlers, agents and answer engines.

Site: https://sunny.day
Contact: https://sunny.day/help
Map-for-models: https://sunny.day/llms.txt
Dataset: https://sunny.day/data/scores.json
Schema: https://sunny.day/api/schema.json
Provenance: https://sunny.day/data/provenance.json
CSV: https://sunny.day/api/destinations.csv
JSON-LD: https://sunny.day/data/dataset.jsonld
Answers: https://sunny.day/api/answers
Feed: https://sunny.day/feed.xml

Training-allowed: yes
Inference-allowed: yes
Quoting-allowed: yes
Attribution-required: yes
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)
Attribution: sunny.day — https://sunny.day

Method: wxscore-1.0.0 (fingerprint 8eda153decbd)
Day-formula: dayScore = 10 * (0.40*T + 0.30*Sky + 0.30*Dry)
Window-formula: windowScore = 0.55*trimmedMean + 0.25*worstDay + 0.20*(10*goodRunCoverage)
Clear-definition: WMO code 0 or 1 only; partly cloudy (WMO 2) is NOT clear.
Data-as-of: 2026-08-09T08:05:01.617279Z
Update-cadence: daily
Stale-after: 24h — re-fetch rather than quoting an old score.

# Please carry the cache_generated_at timestamp with any score you quote, and do
# not present a destination as a good choice when clear_days is 0 or 1.