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Certified copies of these forms can now be ordered directly from the IPS system. Locate your form using the standard IPS interface, then click the "Purchase certified copy of this publication" button on the final screen. You will be directed to the NCDC store to complete your purchase, and the certified form will be delievered by mail. More information concerning this can be found in our certification Help document
A monthly log that includes a daily account of temperature extremes (participating locations) & precipitation, snow, and snow depth. Available for thousands of sites which are a part of the cooperative observing network in the US. This data has a lag time of 2-3 months.
An explanation of the fields and entries on cooperative observer form B-91 can be found here.