THE VEGETATION OF MONTAUK 



73 



Evaporation Black and White Atmometers and Direction and Velocity of the 



Wind, Temperature, Vapor Pressure, and Sky. 



Montauk Downs, July 2i-Aug. i8, 1922. 





Direction 



Mean 



Vapor 





Evaporation per 



Date 



and Velocity 

 of the Wind 



Tempera- 

 ature 



Pressure 

 (inches) 



Sky 



day in c.c 





Black 



White 



July 















20- AM 



E-2 



71.0 



•732 



fog 







20-PM 



E-io 



70.0 



.707 



cloudy 







21-AM 



NW-8 



67.0 



.638 



partly cloudy 







21-PM 



S-6 



79.8 



.684 



partly cloudy 







22-AM 

 22-PM 

 23-AM 



SW-8 



71.0 



•732 



clear 













I 



24.1 



20.6 



23-PM 









— v 







24-AM 



N-8 



72.0 



■757 



clear / 







24-PM 



NE-6 



74.0 



•732 



cloudy 1 







25-AM 



NE-13 



64.2 



•575 



cloudy 1 







25-PM 



SE-17 



68.0 



.684 



cloudy 1 







26-AM 



SW-8 



66.5 



.638 



partly cloudy 1 







26-PM 



SE-12 



69.7 



.661 



clear 1 







^7-AM 



NW-13 



66.3 



.616 



cloudy 1 







27-PM 



SSE-15 



73-2 



•732 



. cloudy / 







28-AM 



SSE-6 



68.2 



.684 



cloudy 







28-PM 



SSE-7 



70.8 



•732 



cloudy 







29-AM 



29-PM 

 30-AM 



NW-14 



67.0 



.616 



partly cloudy 

















• 



30-PM 









f 







31-AM 



SW-8 



69.0 



.661 



clear | 







31-PM 



SSE-io 



76.1 



•757 



clear \ 







August 









> 



29.4 



18.6 



i-AM 



N-8 



67.0 



.707 



fog 1 







i-PM 











cloudy I 







2-AM 



N-5 



67.0 



.661 



rain 1 







2-PM 



NE-7 



64.8 



.616 



cloudy 







3-AM 



N-7 



65.6 



■595 



cloudy 







3-PM 



SE-5 



68.1 



.638 



cloudy 







4-AM 



ENE-7 



66.8 



.638 



cloudy 







4-PM 



ESE-8 



71.8 



.707 



partly cloudy ' 







5-AM 



NW-7 . 



69-5 



.684 



clear 







5-PM 









clear J 







6-AM 









cloudy f 



24.0 



I5^7 



6-PM 









clear ( 







7-AM 



SSW-12 



71-5 



•745 



cloudy 1 







7-PM 



SSW-16 



74-9 



■757 



cloudy 







