Climate for Station: Diredawa, Dire Dawa, Ethiopia

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Climate Analysis & Overview

Diredawa, Ethiopia, is experiencing a complex climate narrative, with recent warming trends juxtaposed against long-term cooling patterns. The city's precipitation has become significantly more concentrated, posing challenges for local water management and agriculture.

Climate Classification and Geographic Influences

Diredawa falls under the Köppen climate classification of BSh, which denotes a semi-arid, hot steppe climate. Nestled in eastern Ethiopia, the city is shielded by the Chercher Mountains, influencing its microclimate by moderating extreme temperatures and affecting precipitation patterns. The geographical setting contributes to its unique climate dynamics, with the surrounding highlands potentially buffering some of the temperature variations observed in the data.

Temperature Trends: A Tale of Two Timelines

The temperature trends in Diredawa present a dichotomy. Over the past decade, the city has experienced a warming trend, with average high temperatures increasing by 2.67°C (4.81°F) and lows by 2.13°C (3.83°F). However, when examining the all-time temperature trends, a cooling pattern emerges, with a fall in average highs by 0.16°C (0.29°F) and lows by 0.08°C (0.14°F). This juxtaposition suggests that while recent years have seen a rise in temperatures, the longer historical context indicates a cooling trend, possibly influenced by broader climatic cycles or local environmental changes.

Precipitation Patterns: Increasing Concentration

The Precipitation Concentration Index (PCI) in Diredawa has shown a significant increase from a baseline of 16.5 to a current value of 25.0. This indicates that rainfall events have become more concentrated, with precipitation occurring in fewer, more intense events. Such a shift can lead to challenges in water management, as the region may experience periods of drought interspersed with heavy rainfall, impacting agricultural productivity and water resource planning.

Temperature Extremes: Record Highs and Lows

Diredawa's climate extremes are marked by a record high temperature of 42.0°C (107.6°F) and a record low of 5.1°C (41.2°F). These extremes highlight the variability inherent in the region's climate, which can pose challenges for both human and ecological systems. Such temperature fluctuations are critical for understanding the potential impacts of climate change on local biodiversity and human health.

Regional Climate Goals and Implications

Ethiopia has set ambitious regional climate goals, focusing on sustainable development and resilience building. The trends observed in Diredawa, particularly the recent warming and increased precipitation concentration, underscore the importance of these goals. Addressing the challenges posed by these climatic changes will require integrated approaches that consider both mitigation and adaptation strategies, aligning with Ethiopia's broader environmental objectives.

Station Statistics

10-Year Trend

High: +2.66 °C/decade

Low: +2.13 °C/decade

Rain: -0.95 mm/decade

25-Year Trend

High: +1.70 °C/decade

Low: +1.87 °C/decade

Rain: +0.29 mm/decade

50-Year Trend

High: +0.16 °C/decade

Low: -0.04 °C/decade

Rain: +0.09 mm/decade

All-Time Trend

High: -0.16 °C/decade

Low: -0.05 °C/decade

Rain: +0.04 mm/decade

Percentage Above-Average Days

Last 12 Months: 67.4%

This Year: 85.0%

Precipitation Concentration Index (PCI) ℹ️

Last 12 Months: 20.0

Historical Average: 17.3

Percentile Rank of Last 12 Months ℹ️

High: 97th percentile

Low: 94th percentile

Rain: 27th percentile

Change in Variance ℹ️

High: -3.3%

Low: -0.4%

Intraday: -6.4%

Data Coverage

90.2%

First Year of Data

1952

Station Location

Historical Weather Records

Max HighAvg HighMin HighMax AvgAvg AvgMin AvgMax LowAvg LowMin LowMax PrecipitationAvg PrecipitationMax SnowAvg Snow
Record42.0 °C19.1 °C35.1 °C13.8 °C29.2 °C1.0 °C115.0 mm
January38.0 °C28.2 °C20.5 °C28.8 °C21.2 °C13.8 °C22.4 °C14.4 °C5.1 °C79.2 mm0.4 mm
February42.0 °C29.8 °C19.6 °C30.4 °C23.0 °C14.9 °C23.9 °C15.7 °C6.0 °C76.5 mm0.9 mm
March42.0 °C31.2 °C19.7 °C33.6 °C24.6 °C17.9 °C27.0 °C17.9 °C7.2 °C115.0 mm2.1 mm
April39.2 °C31.2 °C19.9 °C34.3 °C25.0 °C17.7 °C29.0 °C19.2 °C7.9 °C86.4 mm3.7 mm
May39.9 °C32.4 °C22.3 °C34.3 °C26.0 °C18.4 °C26.5 °C20.1 °C10.3 °C50.8 mm2.0 mm
June40.2 °C33.2 °C22.3 °C33.9 °C26.2 °C18.5 °C29.2 °C20.6 °C8.5 °C64.8 mm1.1 mm
July38.8 °C31.5 °C20.1 °C35.1 °C25.2 °C17.1 °C25.2 °C19.3 °C6.0 °C85.0 mm3.4 mm
August38.0 °C30.5 °C20.6 °C32.5 °C24.5 °C17.4 °C27.0 °C18.9 °C4.8 °C80.9 mm4.4 mm
September37.4 °C31.0 °C21.0 °C32.3 °C25.0 °C17.8 °C25.0 °C19.2 °C8.5 °C90.0 mm2.7 mm
October41.0 °C31.0 °C21.1 °C32.4 °C24.5 °C15.6 °C25.0 °C17.7 °C6.0 °C97.0 mm1.0 mm
November37.7 °C29.3 °C19.1 °C32.2 °C22.6 °C14.6 °C22.6 °C15.3 °C7.6 °C47.6 mm0.6 mm
December37.0 °C28.0 °C20.3 °C28.8 °C21.1 °C14.0 °C20.6 °C13.9 °C1.0 °C87.0 mm0.3 mm

Data Visualisations

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Current Year Climate Trends vs Historical

Current Year Climate Trends vs Historical - Max Temperature this Year
Current Year Climate Trends vs Historical - Min Temperature this Year
Current Year Climate Trends vs Historical - Average Temperature this Year
Current Year Climate Trends vs Historical - Rainfall this Year
Current Year Climate Trends vs Historical - Relative Humidity this Year
Current Year Climate Trends vs Historical - Max Wind Gusts this Year

Max Temperature this Year | 1 of 6

Climate 12-Month Moving Averages

Climate 12-Month Moving Averages - Max Temperature 12-Month MA
Climate 12-Month Moving Averages - Min Temperature 12-Month MA
Climate 12-Month Moving Averages - Average Temperature 12-Month MA
Climate 12-Month Moving Averages - Rainfall 12-Month MA
Climate 12-Month Moving Averages - Relative Humidity 12-Month MA
Climate 12-Month Moving Averages - Peak Wind Gust 12-Month MA

Max Temperature 12-Month MA | 1 of 6

Daily Data Points and Averages Throughout the Year

Daily Data Points and Averages Throughout the Year - Average Max Temperature Throughout Year
Daily Data Points and Averages Throughout the Year - Average Min Temperature Throughout Year
Daily Data Points and Averages Throughout the Year - Average Temperature Throughout Year
Daily Data Points and Averages Throughout the Year - Average Relative Humidity Throughout Year
Daily Data Points and Averages Throughout the Year - Average Peak Wind Gust Throughout Year

Average Max Temperature Throughout Year | 1 of 5