First published in 1914, this guide provides detailed instructions for cooperative observers who recorded weather data for the US Weather Bureau. It includes information on how to measure temperature, rainfall, snowfall, and other meteorological phenomena, as well as guidelines for record-keeping and reporting. Although it is no longer in use, it provides a fascinating glimpse into the early history of weather observation in the United States. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.