Sonora Bourbon — Filter
Central Valley
NaturalDark
Cherrybook Index
53sparse
Evidence-of-quality score, not a cup score. Sparse signal: 1 of 7 signals on file. Methodology
Price position
US$2.50/ozEUR 19.00 for 250g
Price position appears once the price model has scored this lot.
Catalog summary
A natural lot from Central Valley, Costa Rica, not yet indexed (1 of 7 signals on file).
Based on the listing and catalog evidence
Currently out of stock at the roaster. Subscribe to get an email when it returns.
Roaster’s notes
orange marmalade · honeycomb · purple grape
- Fruit
- Citrus
- Sugar and spice
Open the flavor wheel
Mapped from the roaster’s tasting notes to the SCA flavor wheel; Cherrybook’s interpretation of the stated notes, not the roaster’s own categorization.
- Origin
- Central Valley, CR
- Producer
- Diego Guardia
- Farm / Co-op
- Sonora
- Process
- Natural
- Altitude
- 1300 m
- Varietals
- Bourbon
- Harvest
- —
- Weight
- 250g
- Bag price
- EUR 19.00
- Price / oz
- US$2.50/oz
- Brew
- filter
from the roaster’s storeread by Cherrybook from the listing“estimated” below = inferred, not stated
Cherrybook Index (CBI)
Evidence-of-quality score, not a cup score. Methodology
53
Sparse signal
Confidence1 of 7 signals on file
Score is heavily shrunk toward 50; treat as a placeholder until more sources arrive.
How confidence affects the score
Coverage measures signal availability, not cup quality. This coffee has 5% of the signal universe on file. Missing sources are dropped, remaining weights are renormalized, and the result is shrunk toward a neutral 50 baseline by 88% so one thin signal cannot carry the score on its own.
The math on file: renormalized base 75.0 shrunk to 53.1 = 53.
Missing: SCA grade, Coffee Review, Reddit sentiment, YouTube reviews, On-shop ratings, Cherrybook ratings
- 75/ 100% weightRoaster transparencyProducer / farm / lot disclosure depth
Comps & alternatives
Tasting flight
Compare this with three more lots selected from the catalog.
Brew a set side-by-side. The picks vary along axes that pair with this lot; origin, process, roast, or producer; so you learn the difference, not just drink four good cups.