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Cherrybook.
Upper Left Roasters

Kiambu Karatu AA

WashedLight

Cherrybook Index

51sparse

Evidence-of-quality score, not a cup score. Sparse signal: 1 of 7 signals on file. Methodology

Price position

$2.97/oz$30.00 for 286g

Typical band for this profile $2.19 to $3.54 (Kenya washed single-origin lots (other named varieties, retail bags); USD listings; light roast in stock). Where it sits

Catalog summary

A washed lot from Kiambu, Kenya, not yet indexed (1 of 7 signals on file) and priced inside the typical band for its listed profile.

Based on the listing and catalog evidence

Price and availability set by the roaster.

Roasts daily

Roasts most weekdays, so most orders ship within a day or two of the roast date.

Seasonally sourced coffees roasted every day at our neighborhood cafe. source ↗

Cherrybook last checked this listing today.

Roaster’s notes

kumquat · vanilla · candy orange peel

  • 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.

Kiambu Karatu AA by Upper Left Roasters
Producer
Farm / Co-op
Karatu Coffee Factory
Process
Washed
Altitude
1850–1883 m
Varietals
Sl28
Harvest
Weight
286g
Bag price
$30.00
Price / oz
$2.97/oz
Brew
filter

from the roaster’s storeread by Cherrybook from the listing“estimated” below = inferred, not stated

Price contextmodeled

A modeled range and current prices for comparable listings.

$2.97/oz

typically $2.19 to $3.54

Where it sits

34 Kenya washed single-origin lots (other named varieties, retail bags); USD listings; light roast in stock

typical band this lot

88th percentile of 34 Kenya washed single-origin lots (other named varieties, retail bags); USD listings; light roast in stock right now.

What moves this price

cheaper×1.00pricier
  • Roaster brand and sourcing×1.24
  • Kenya origin×1.09
  • Light roast×1.06
  • Washed process×0.96
How this estimate works

A statistical model, refit weekly across the in-stock catalog, estimates what a coffee with these listed attributes typically sells for per ounce. Each multiplier compares one trait against the average lot in this market; the roaster line covers brand and sourcing together, which this model cannot separate. Bag size is shown separately, priced at the rate observed across sizes of the same coffee, because it says nothing about the coffee itself. The distribution counts every in-stock listing in the comparison group, with at least 15 listings from three roasters and no roaster supplying more than 60% of it. Decaf, blends, variety segments, processing families and bag formats stay separate. Origin, roast and selling currency can broaden as the group label indicates. Prices are converted to USD per ounce; shipping and differences in tax treatment are not adjusted. The model reads listed attributes only: the quality of the specific lot in the bag is not observable, so a price above the typical band is not evidence of overpricing.

Cherrybook Index (CBI)

Evidence-of-quality score, not a cup score. Methodology

51

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 60.0 shrunk to 51.3 = 51.

Missing: SCA grade, Coffee Review, Reddit sentiment, YouTube reviews, On-shop ratings, Cherrybook ratings

  • Roaster transparency
    Producer / farm / lot disclosure depth
    60/ 100% weight

Sensory profileestimated

Acidity
5
Body
3
Sweetness
4
Balance
4
Clean
5

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.

Build the flight

Reference · About the varietal & origin

About Upper Left Roasters

Upper Left Roasters

$2.97/oz· $30.00 a bag

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