Local Climate Trends

Climate Stripes for Los Altos

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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Los Altos Climate At a Glance

Seasonal Temperature Trends

❄️
0.0°C
Winter
🌸
0.0°C
Spring
☀️
0.0°C
Summer
🍂
0.0°C
Fall

Trends in Hot and Cold Days

Temperature threshold data not available for this location.

Los Altos Annual Mean Temperature Trends

Annual Mean Temperature Trends

Temperature data shows warming trends for Los Altos based on NOAA NClimGrid climate data.

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Los Altos Hot and Cold Days

Days Above 90°F ⬇️ Download

Temperature threshold data for Los Altos shows changes in extreme heat days.

Few days below 32°F

Frequently Asked Questions About Los Altos's Climate

How much has Los Altos warmed since 1951?

Los Altos 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 Los Altos?

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 Los Altos?

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

Is the warming in Los Altos part of a larger trend?

Yes, the warming observed in Los Altos 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 Los Altos?

The climate data for Los Altos comes from NOAA's NClimGrid dataset, which provides gridded climate information based on weather station observations. The data represents the 20.44km grid cell nearest to Los Altos, located at coordinates 37.34°N, 121.89°W.

How reliable are the climate projections for Los Altos?

The historical climate trends shown for Los Altos 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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