APPENDIX A: METEROLOGICAL DATA 



1. Meterological data summaries are explained below: 



a. Keynotes on meteorological observations (Page A2). Presented 

 for use in interpreting the monthly meteorological data tables 

 is a list of observation symbols and their definitions. 



b. Monthly data tables (Pages A3-A14). The daily meteorological 

 observations are tabulated by month. The "Amount of Precipita- 

 tion" represents the total precipitation since the rain gage 

 was last reset (i.e., the bucket was emptied); consequently, the 

 values entered on a Monday represent the total rainfall since 

 the previous reading, which frequently was made on the previous 

 Friday. The same situation holds true for the maximum and 

 minimum thermometers, which are manually reset: the values 

 reported represent the temperature extremes since the last 

 resetting. 



2. Monthly average cloud cover, visibility, atmospheric pressure, 

 temperature extremes, dew point temperatures, and wind speed values, as well 

 as the total monthly precipitation, are entered at the bottom of each table. 



Al 



