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'ki 5t W"N iI ?l V kI;i AIx4,.,klI ---- AlOW .. 7. :1 "M 1 11 % it FOREWORD All data in this publication, except the long term temperature and precipitation averages, were recorded at the National Weather Service Micrometeorology Station located at the south end of the Agronomy Farm at Auburn University about 1.4 miles southwest of the Auburn Post Office. The station was established in September, 1963, in cooperation with the Agronomy and Soils Department. The observations are taken by the staff of the Environmental Studies Service Center. The long term temperature and precipitation normals are based on data collected during the period 1941 through 1970 at the former National Weather Service Cooperative Observation Station located three miles southwest of Auburn. The tables on pages 38 and 39 list the daily normal maximum minimum and mean temperatures for Auburn. Air and soil temperatures, chill hours, evaporation pan readings and precipitation are for a 24-hour period ending at 8:00 a.m. for the day indicated. Vegetative wetting data are the number of hours of wetting during the 24-hour period ending at noon. Hygrothermograph and 14 foot level wind observations are for the period indicated. All other readings are for a 24-hour period from midnight to mid- night for the indicated date. Soil temperatures are measured under bare soil. All other instruments are exposed over sod. Evaporation is measured with a Class A National Weather Service eva- poration pan. Degree days are the differences between the mean temperature and the base temperature (above or below). Unless otherwise indicated, units in this publication are as follows: Temperature in 'F Relative humidity as a *percentage Wind 'speed in miles of wind during the 12-hour period Wind gust in knots 2 Solar radiation in langleys (gram-calorie/CM 2 ) Precipitation and evaporation in inches NOAA-National Weather Service Environmental Studies Ser. Center Auburn University Nuclear Science Center Auburn, Alabama 36830 AI&6PA"&;'/ V~25/ zYAA/Ec~',4' CP~j~7//','7Y E/PzYf TABLE OF CONTENTS Period of Data Page Daily Normals of Temperature 1 January 2-4 February 5-7 March. 8-10 April 11-13 May 14-16 June 17-19 July 20-22 August 23-25 September 26-28 October 29-31 November 32-34 December 35-37 Monthly and Annual Summary 38 Temperature and Precipitation Normals, Means and Extremes 39 NATIONAL wEATHER SERVICE ENVIRUfMENTAL STUUIES SERVICE CENTER 0A[lLY NORMALS OF TEMPERATURE STATICN: AUBUJRN 3SW ALASAMA EASED ON 1941-70 DATA NATIONAL WEATHR SERVICE ENVIRONMENTAL STUDIES SEV