Local Climate Trends

Climate Stripes for Alta Sierra

Temperature Anomaly Heatmap

This heatmap shows seasonal temperature anomalies relative to the 20th-century average for each year from 1950 to 2024. Each row represents a season (Winter, Spring, Summer, Fall), and each column a year. Red shades indicate warmer-than-average seasons, while blue shades represent cooler-than-average ones. The shift from predominantly blue to red over time highlights the long-term warming trend across all seasons.

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Alta Sierra Climate At a Glance

Seasonal Temperature Trends

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0.0°C
Winter
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0.0°C
Spring
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0.0°C
Summer
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0.0°C
Fall

Trends in Hot and Cold Days

Temperature threshold data not available for this location.

Alta Sierra Annual Mean Temperature Trends

Annual Mean Temperature Trends

Temperature data shows warming trends for Alta Sierra based on NOAA NClimGrid climate data.

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Alta Sierra Hot and Cold Days

Days Above 90°F ⬇️ Download

Temperature threshold data for Alta Sierra shows changes in extreme heat days.

Days Below 32°F ⬇️ Download

Temperature threshold data for Alta Sierra shows changes in freezing days.

Frequently Asked Questions About Alta Sierra's Climate

How much has Alta Sierra warmed since 1951?

Alta Sierra has warmed by 0.0°C on average since 1951. This warming trend is consistent with broader climate change patterns observed across the region.

What season has warmed the most in Alta Sierra?

Winter has experienced the most warming with 0.0°C of temperature increase since 1951. This seasonal variation is typical of mid-latitude climate change patterns.

How have precipitation patterns changed in Alta Sierra?

Precipitation patterns in Alta Sierra have remained relatively stable since 1951, though year-to-year variability continues to be significant.

Is the warming in Alta Sierra part of a larger trend?

Yes, the warming observed in Alta Sierra is consistent with regional and global climate change trends. The temperature increases align with patterns seen across CA and the broader United States, reflecting the impacts of human-caused climate change.

What climate data sources are used for Alta Sierra?

The climate data for Alta Sierra comes from NOAA's NClimGrid dataset, which provides gridded climate information based on weather station observations. The data represents the 0.38km grid cell nearest to Alta Sierra, located at coordinates 35.73°N, 118.55°W.

How reliable are the climate projections for Alta Sierra?

The historical climate trends shown for Alta Sierra are based on observed data from 1951 to present and are highly reliable. These trends provide insight into how the local climate has already changed and can inform expectations for continued warming, though specific future projections would require additional climate modeling.

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