Optimal Rainfall
1,366 mm
Range: 900mm -1,400mm
Status: Moderate
How we know when coffee is good
We measure real growing conditions using farm-level data, not guesses.
Njimbi Farmers Cooperative Society
Kiawamururu Coffee Factory
Altitude
1,767 m
Rainfall
1,661 mm / year
Temperature
26.2°C average
Varieties
Batian, Ruiru 11, SL 28
Grown at high elevation with consistent rainfall and moderate temperatures, conditions known for producing complex, high-quality coffee. Part of Njimbi Farmers Cooperative Society.
Measured growing conditions
High Altitude
1,767m
Range: 1,000m - 2,000m
Status: High
Steady Temperature
25.2°C
Range: 14°C - 28°C
Status: Steady
Specialty Variety
Arabica: Batian, Ruiru 11, SL 28
Arabica: SL28, SL34, Batian, Caturra, etc
Status: Specialty
Managed Pest & Disease Risk
Using Ambura
Pest and disease advice for farmers, season by season
Status: Using Ambura
Planted Shade Trees
On-farm shade coverage
Indigenous or fruit trees lining or intersperced
Status: Sufficient
Hand Picked
Coffee cherries picked by hand
Farmers use hand-picking to choose ripe, red cherries
Status: Hand Picked
Satellite Verified
Farm-level geospatial checks
Location + climate data validation
Status: Good
How this translates to good coffee quality
Optimal Rainfall
Rainfed coffee has sufficient annual rain to support soil moisture for even cherry development and cup consistency.
High Altitude
Higher elevation slows maturation and improves flavor complexity.
Steady Temperature
Stable thermal patterns reduce heat and cold stress while supporting access to sun.
Specialty Variety
Known arabica varieties provide recognizable cup profiles.
Managed Pest & Disease Risk
Farmers use Ambura for pest and disease advice, which lowers quality loss from imperfections in cherries.
Planted Shade Trees
Shade buffers temperature swings, maintains soil moisture, and protects cherry development.
Hand Picked
Selective harvesting improves ripeness uniformity and cup clarity and reduces green cherry volume.
Satellite Verified
Strengthens data validity and reduces errors in self reporting.
We do not just look at today
This method uses ten years of climate data, not a single-season snapshot. Take a look at Kiawamururu's climate data for the last 10 years.
| Year | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rainfall (mm) | 1,366 | 1,127 | 944 | 1,955 | 1,656 | 1,859 | 1,083 | 960 | 1,325 | 1,997 | 1,318 | 804 |
| Temperature (C) | 28.2 | 26.8 | 27.8 | 26.7 | 27.3 | 25.2 | 26.1 | 28.4 | 27.5 | 20.7 | 20.1 | 17.4 |
| Min Temp (C) | 5.6 | 8.0 | 5.4 | 3.6 | 6.3 | 6.0 | 7.9 | 6.8 | 8.0 | 8.3 | 6.7 | 6.8 |
| Max Temp (C) | 39.7 | 38.3 | 39.7 | 41.3 | 38.9 | 35.0 | 36.1 | 40.3 | 39.0 | 32.4 | 30.4 | 26.1 |
| Climate Quality | High Average Temp | Good Rainfall | Low Rainfall | Some Extreme Risk | Good Rainfall | Good Rainfall | Good Rainfall | Some Extreme Risk | Good Rainfall | Good Rainfall | Good Rainfall | Partial year 9 months |
What this means for your coffee
Measured, not guessed
Quality signals come from farm-level observations and climate records.
More consistent flavor
Stable growing conditions are linked to more repeatable cup profiles.
Transparent origin
Coffee is tied to identifiable farm context instead of anonymous blends.
Verified with satellite data
Geospatial checks increase confidence in location and climate data quality.