Zone description altitude in m (above sea level) | Zone | Sampling sites | Coordinates | Parameter | Wet season Mid-March–June | Dry season July–September | ||
---|---|---|---|---|---|---|---|---|
Lowest | Highest | Lowest | Highest | |||||
Upper Highland 1800–2550 | Lari | 1. Kirenga 2. Gitithia 3. Gituamba 4. Nyambari 5. Githirioni 6. Rukuma | 1°01′00.0"S 36°38′00.0"E | Temperature (°C) | 23 | 28 | 23 | 25 |
Humidity (%) | 65 | 83 | 66 | 72 | ||||
Rainfall (mm) | 119 | 269 | 66.5 | 74.5 | ||||
UV Index | 5 | 5 | 4 | 5 | ||||
Rainfall days | 3 | 11 | 3 | 4 | ||||
Sun hours | 325.9 | 355.1 | 349.2 | 357 | ||||
Lower Highland 1500–1800 | Kiambaa | 1. Ruaka 2. Ndenderu 3. Kihara 4. Muchatha 5. Gathiga 6. Karura | 1°11′00.0"S 36°45′00.0"E | Temperature (C) | 23 | 28 | 23 | 25 |
Humidity (%) | 65 | 83 | 66 | 72 | ||||
Rainfall (mm) | 111.9 | 260 | 66.54 | 74.5 | ||||
UV Index | 5 | 5 | 4 | 5 | ||||
Rainfall days | 3 | 11 | 3 | 4 | ||||
Sun hours | 325.9 | 355.8 | 349.2 | 357 | ||||
Upper Midland 1300–1500 | Juja | 1. Murera 2. Mugutha 3. Gitothua 4. Kihunguro 5. Kalimoni 6. Juja Farm | 1°11′00.0"S 37°07′00.0"E | Temperature(°C) | 24 | 28 | 23 | 26 |
Humidity (%) | 66 | 83 | 66 | 73 | ||||
Rainfall (mm) | 90.3 | 240 | 70.34 | 77 | ||||
UV Index | 5 | 5 | 4 | 5 | ||||
Rainfall days | 4 | 10 | 4 | 5 | ||||
Sun hours | 332.1 | 354.2 | 351.4 | 358.4 | ||||
Lower Midland 1200–1300 | Thika | 1. ThikaTown 2. Gatuanyaga 3. Makongeni 4. Munyu, 5. Ngoliba 1 6. Ngoliba 2 | 1.0490° S, 37.2651° E | Temperature (°C) | 24 | 28 | 23 | 26 |
Humidity (%) | 66 | 83 | 66 | 73 | ||||
Rainfall (mm) | 90.3 | 240 | 70.3 | 77 | ||||
UV Index | 5 | 5 | 5 | 5 | ||||
Rainfall days | 4 | 10 | 3 | 4 | ||||
Sun hours | 325.5 | 354.2 | 349.5 | 358.4 |