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Please note that ISCCP data processing is now performed at NOAA/NCEI.
Please visit the NOAA/NCEI website for access to ISCCP H data products and other up-to-date information.

Northern Mid-latitude Weather States from ISCCP D1 Cloud Dataset

The optimum cluster centroids are identified for K=9 as shown above and reported below.

Mean PC-τ plots for northern mid-latitudes Geographic distribution of clusters for northern mid-latitudes
Mean PC-τ plots for northern mid-latitudes (30N-65N) Geographic distribution of clusters for northern mid-latitudes (30N-65N)

Note: Weather state values range from 1-8. In the cluster datasets, the value 0 indicates Clear; value 98 indicates darkness; and value 99 indicates missing data.

To download the datasets, click HERE (file D1.WS.MN.dat.gz).

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