Climate for Station: Hillsboro, Ohio, United States
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Climate Analysis & Overview
Hillsboro, Ohio, is experiencing a nuanced climate narrative with a subtle cooling trend in high temperatures and a more pronounced decline in low temperatures over the past decade. The area sees a slight shift towards more evenly distributed precipitation, aligning with broader regional climate goals to manage water resources effectively.
Subtle Cooling in Highs
Hillsboro, located in the humid continental climate zone (Köppen classification Dfa), is witnessing a modest cooling trend in its high temperatures over the long term. The all-time trend indicates a fall of 0.08°C (0.14°F) in high temperatures. This cooling is mirrored in the more recent 10-year data, showing a negligible decrease of 0.00°C (0.01°F). While these figures might suggest stability, they subtly contrast with the broader regional aim of mitigating climate change impacts, where warming is more commonly observed.
Notable Decline in Low Temperatures
The low temperatures in Hillsboro tell a different story. Over the past decade, there has been a significant cooling of 1.32°C (2.37°F) in low temperatures. In contrast, the all-time trend shows a slight warming of 0.04°C (0.07°F). This dichotomy highlights a complex thermal dynamic, potentially influenced by local geographical features such as the Appalachian foothills, which can affect air movement and temperature retention.
Precipitation Patterns: A Shift Towards Even Distribution
The Precipitation Concentration Index (PCI) for Hillsboro has decreased from a baseline of 11.0 to a current value of 10.1. This marginal change suggests that precipitation is becoming more evenly distributed throughout the year. For a region that relies heavily on agriculture, this trend could be beneficial, reducing the risk of drought and flood cycles. This aligns with the United States' regional climate goals, which focus on sustainable water management and agricultural resilience.
Record Extremes: A Historical Perspective
Hillsboro's historical temperature records reveal the potential for extreme weather events. The highest recorded temperature is 40.6°C (105.1°F), while the lowest plummeted to -34.4°C (-29.9°F). These extremes underscore the variability inherent in the region's climate, where both summer heatwaves and harsh winter conditions can occur.
The Broader Climate Context
Hillsboro's climate narrative is set against the backdrop of the United States' efforts to adapt to and mitigate climate change. Recent weather events, such as increased frequency of heatwaves and heavy rainfall in the Midwest, provide context for Hillsboro's trends. The subtle cooling in high temperatures and the more pronounced fall in lows may offer insights into localised climate adaptations, even as national policies aim to address broader warming trends.
Station Statistics
10-Year Trend
High: -0.00 °C/decade
Low: -1.32 °C/decade
Rain: -0.39 mm/decade
25-Year Trend
High: +0.98 °C/decade
Low: -0.14 °C/decade
Rain: +0.03 mm/decade
50-Year Trend
High: +0.31 °C/decade
Low: -0.12 °C/decade
Rain: +0.02 mm/decade
All-Time Trend
High: -0.08 °C/decade
Low: +0.04 °C/decade
Rain: -0.00 mm/decade
Percentage Above-Average Days
Last 12 Months: 55.3%
This Year: 27.7%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 10.1
Historical Average: 11.0
Percentile Rank of Last 12 Months ℹ️
High: 75th percentile
Low: 43rd percentile
Rain: 67th percentile
Change in Variance ℹ️
High: -4.5%
Low: -1.3%
Intraday: +11.6%
Data Coverage
85.9%
First Year of Data
1893
Station Location
Historical Weather Records
| Max High | Avg High | Min High | Max Avg | Avg Avg | Min Avg | Max Low | Avg Low | Min Low | Max Precipitation | Avg Precipitation | Max Snow | Avg Snow | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record | 40.6 °C | — | -22.2 °C | 32.2 °C | — | -24.9 °C | 30.0 °C | — | -34.4 °C | 119.4 mm | — | 394.0 mm | — |
| January | 24.4 °C | 3.6 °C | -22.2 °C | 16.1 °C | -1.8 °C | -24.9 °C | 15.6 °C | -6.0 °C | -30.6 °C | 72.9 mm | 2.8 mm | 305.0 mm | 5.5 mm |
| February | 25.0 °C | 5.1 °C | -20.0 °C | 18.7 °C | 0.1 °C | -17.9 °C | 15.6 °C | -5.3 °C | -34.4 °C | 67.2 mm | 2.7 mm | 394.0 mm | 4.9 mm |
| March | 29.4 °C | 11.2 °C | -11.1 °C | 21.6 °C | 5.1 °C | -12.0 °C | 18.9 °C | -0.4 °C | -23.3 °C | 119.4 mm | 3.4 mm | 386.0 mm | 3.0 mm |
| April | 34.4 °C | 17.5 °C | -1.1 °C | 23.3 °C | 11.3 °C | -3.1 °C | 20.6 °C | 4.9 °C | -11.7 °C | 86.6 mm | 3.4 mm | 178.0 mm | 0.5 mm |
| May | 37.2 °C | 22.8 °C | 3.9 °C | 27.1 °C | 16.7 °C | 3.1 °C | 25.0 °C | 10.5 °C | -5.0 °C | 106.7 mm | 3.5 mm | 51.0 mm | 0.0 mm |
| June | 39.4 °C | 27.3 °C | 10.6 °C | 29.9 °C | 21.6 °C | 9.4 °C | 30.0 °C | 15.3 °C | 1.1 °C | 88.4 mm | 3.5 mm | 0.0 mm | 0.0 mm |
| July | 40.6 °C | 29.3 °C | 16.7 °C | 32.2 °C | 23.5 °C | 16.0 °C | 28.3 °C | 17.4 °C | 5.0 °C | 119.4 mm | 3.5 mm | 0.0 mm | 0.0 mm |
| August | 39.4 °C | 28.6 °C | 15.6 °C | 30.6 °C | 22.7 °C | 12.8 °C | 25.0 °C | 16.3 °C | 3.3 °C | 97.5 mm | 3.1 mm | 0.0 mm | 0.0 mm |
| September | 40.6 °C | 25.6 °C | 8.3 °C | 29.0 °C | 19.0 °C | 6.5 °C | 23.9 °C | 12.7 °C | -3.9 °C | 103.1 mm | 2.7 mm | 0.0 mm | 0.0 mm |
| October | 35.0 °C | 19.3 °C | 0.0 °C | 25.5 °C | 12.6 °C | 0.4 °C | 25.6 °C | 6.4 °C | -11.7 °C | 70.6 mm | 2.2 mm | 102.0 mm | 0.1 mm |
| November | 29.4 °C | 11.7 °C | -11.7 °C | 20.5 °C | 5.9 °C | -13.3 °C | 17.8 °C | 0.8 °C | -18.3 °C | 48.3 mm | 2.6 mm | 279.0 mm | 1.1 mm |
| December | 24.4 °C | 5.4 °C | -17.2 °C | 18.9 °C | 0.7 °C | -21.9 °C | 15.6 °C | -3.9 °C | -30.6 °C | 57.4 mm | 2.7 mm | 254.0 mm | 3.1 mm |
Data Visualisations
Remove WatermarksCurrent Year Climate Trends vs Historical
Max Temperature this Year | 1 of 6
Climate 12-Month Moving Averages
Max Temperature 12-Month MA | 1 of 6
Daily Data Points and Averages Throughout the Year
Average Max Temperature Throughout Year | 1 of 5
