72 



BROOKLYN BOTANIC GARDEN MEMOIRS 



Date. 



Max. 



Temp- 

 era- 

 ture 



. Rain- 

 fall 



Wind 

 veloc- 

 ity 



Wind 

 dir- 

 ection 



Hours 

 Possible 

 Sunshine 



Hours '^ 



Actual P 



Sunshine I 



/'apor 



ressure 



nches 



Evaporation 



per day 



in cc. 





Black 



White 



Sept. 





















2 



77 





25 



S W 



13-0 



4.4 



7i6\ 







3 



83 





30 



w 



13.0 



1 1.8 



654) 







4 



72 





28 



NE 



13-0 



9-9 



.530 f 







5 



69 





24 



E 



13.0 



II. 7 



512) 



26.4 



17-5 



6 



73 



.01 



16 



SE 



12.9 



3-7 



676\ 







7 



73 



•03 



18 



E 



12.8 



7-4 



6i6| 







8 



74 





12 



N 



12.8 



10.5 



557/ 







9 



76 





12 



NE 



12.8 



9-4 



4961 







ID 



74 





22 



S W 



12.7 



12.7 



595 [ 



43-0 



24.6 



II 



75 





21 



s w 



12.7 



9.8 



631^ 







12 



74 



.01 



II 



s 



12.6 



0.0 



676\ 







13 



76 





27 



w 



12.6 



9.8 



53i\ 







14 



66 





26 



N 



12.5 



6.3 



408 1 







15 



72 



.06 



26 



s w 



12.5 



10.6 



538/ 







i6 



67 





19 



NE 



12.4 



10.2 



439I 







17 



71 



.09 



30 



s-sw 



12.4 



3-2 



560/ 



36.3 



27.4 



i8 



75 



.01 



36 



w 



12.4 



8.4 



525( 







19 



66 





36 



N W 



12.3 



12.3 



376\ 







20 



65 





20 



NE 



12.2 



8.7 



3851 







21 



68 



.19 



32 



SE 



12.2 



0.0 



465/ 







22 



74 



■15 



42 



sw 



12.2 



9-4 



569' 







23 



74 





30 



sw 



12. 1 



12. 1 



505 '. 

 419' 



44-9 



34-8 



24 



69 





13 



N 



12. 1 



12. 1 







The 1922 readings, which were only made on the open Downs, extend 

 from July 27 to August 18. As the accompanying graph (Fig. 25) shows 

 this happened to be a much less critical period than the previous season, 

 and consequently does not have the significance of the much higher readings 

 of 192 1 . As a record of the general climatic condition during 1922 I append 

 a detailed weather report by Lieut. Roger W. Autry, the Camp Signal 

 Officer at Camp Welsh. The artillery regiments quartered at Montauk 

 during the summer of 1922 kept a meteorological tent in operation, with 

 observations taken at 8:30 A.M. and 2:00 P.M. It is from these records 

 which are complete except for Saturday afternoons and Sundays, that the 

 following is taken. 



