Erer Irrigation Project Feasibility Study - Volume III Summary
Meteorological & Hydrological Data
Document Overview
Project: Erer Irrigation Project, Ethiopia
Report Type: Final Interim Report (Feasibility Study Phase-II)
Publication Date: February 2007
Prepared by: Water Works Design and Supervision Enterprise in association with SHPU Synergics Hydro (India) Pvt. Ltd.
Report Contents
Volume III is divided into three parts:
- Collected Hydrological and Meteorological data
- Adjusted Hydrological and Meteorological data
- Calculated crop evapotranspiration
Key Data Stations
The report contains extensive data from multiple stations including:
- Harar School
- Bisidimo
- Jijiga
- Dire Dawa
- Babile
- Alemaya
- Fedis
Meteorological Parameters
The data includes the following parameters for various stations and years:
| Parameter | Description | Time Period |
|---|---|---|
| Temperature | Monthly mean maximum and minimum temperatures | 1952-2005 (varies by station) |
| Evaporation | Monthly total evaporation | 1965-2005 |
| Sunshine | Monthly sunshine hours | 1964-2004 |
| Wind Speed | Monthly mean wind speed in m/s | 1979-2004 |
| Relative Humidity | Mean RH at 0600 and 1200 hours | 1952-2004 |
| Rainfall | Monthly total rainfall | 1952-2005 |
Key Findings
- Temperature data shows variations across stations, with maximum temperatures typically occurring between March-May
- Evaporation rates vary significantly by season and location
- Rainfall patterns show distinct wet and dry seasons typical of the region
- Data completeness varies by station and parameter, with some gaps in the record
Data Limitations
- Some data points are missing (marked as "X" in the tables)
- Time periods covered vary by station and parameter
- Some stations have more complete records than others