2020 Raleigh-Durham Climate Plots and Data

October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

2020 Raleigh-Durham Climate Plots and Data

Climate data on this page is PRELIMINARY (unofficial). CERTIFIED (official) climate data is available from the National Climatic Data Center (NCDC).

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Climate Plots:

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Year 2020

One year data to current

How to Read the Plots:

This is an example of the monthly climate plot. The observed high and low temperatures are indicated by the tops and bottoms of the vertical blue bars, respectively. The normal temperature ranges are indicated by the green band. Record highs are shown on the top of the light pink band, and record lows are indicated along the bottom of the light blue band.

This is an example of the year to date climate plot. As with the monthly plot, observed temperatures are shown by the dark blue areas, normals with the light green areas, record highs in the light red areas, and record lows in the light blue areas. The bottom portion of the graph indicates the precipitation for the year to date. The yellow line (and green area below it) represents the normal year to date total at the given time frame. Periods that have year to date totals above the climatological normals are shown by dark green areas above the yellow line. Periods that are below normal are shown with the brown areas below the yellow line.