290 
Transactions of the Royal Society of South Africa. 
EVAPORATION- UNION OBStRVATORY* JOHANNESBURG- 
LAT 26*115 LONG as" 4 5. E, ALT. 59a4- Ft. 
OBSERVATIONS FOR 1913. 
EVAPORATIW 
INCHES 
WIND 
MEAN 
MILtS per dttYn 
MEAN 
rEMPERRTURE 
m cx it. ♦ mm 
MEAN DA\LY 
RELATIVE 
HUM\DITY 
MFAN DAILY 
DeficiekcYof 
RCUATIve 
HuiviioiTy 
)oo- H- 
MERN MONTHLY 
evAPORATlorV 
)N INCHES prR 
t7oOEriCIENCY OF 
MOtvilDITY. 
Me^ri DAILY 
EVAPORATION 
IN INCHES T>ER 
l%D£FlOIEnCX OF 
PELATlVE 
HorviioiTV. 
JAN. 
e(> \ 
342 
•188889 
•O0feO9"S2. 
FEB. 
5 39 
292-8 
fcS 9 
72 O 
28 0 
I9150O 
•0068750 
MAR 
5 17 
276 o 
71-8 
ZQZ 
• 185333 
0059»39 
APR 
4 OO 
24^-8 
60 2 
feSb 
30 4 
131578 
•O0438S9 
MAY. 
319 1 
54 
484 
51-6 
085853 
0027694 
JUN. 
3-91 
312 O 
51 1 
48 1 
513 
075337 
0025I1Z 
JUL 
4-7Z 
5*5-8 
384 
61 6 
076623 
00247I7 
AUG 
5 61 
352.8 
5b O 
43 6 
564 
099645 
0O3ZI45 
SEP. 
6 5^ 
355 Z 
583 
41-3 
58 7 
»n 414 
0037J38 
OCT 
7 rs 
357 6 
6V6 
56 5 
43 5 
I65057 
oosr5a4^4- 
NOV. 
6-76 
2904 
65 O 
611 
38 9 
173759 
00S7 926 
DEC 
8 37 
3504 
664 
58 8 
41-2 
-203I55 
•0O65S34. 
MEAN. 
317 2. 
6027 
56 28 
43-72 
004-2957. 
TOTAL 
6B 55 
1 56793Z 
Table 8. 
EVAPOf?ATION- UNION OBSERVATORY -JOHANNESBURG 
LA>T 26° If 5 Lonc 28''45.E,ALT 592^ Ft 
OBSERVATIONS FOR 1914 
1914 
EVAPORATION 
INCHES. 
WIND 
MILES 
PER OIEM. 
MEAN 
TfMPERATURr 
ma». .» mm 
DECREES, r 
WfAN DAILY 
RELATIVE 
HUMIDITY 
H»/o 
MEAN DAILY 
Deficiemcy 
OF RELATIVE 
HUMIDITY 
too-H. 
MEAN MONTHLY 
tYAPORATlON 
iH INCHES PER 
i?iDEnciEncY 
OF HELATIVE 
H U M 1 O 1 TY. 
MEj^N DAILY 
EVAPOR ATlOI>J 
IN INCH ES PER 
ifoDEriClEMCY 
OF RELATIVE 
HOMIOITY. 
JAN. 
6 65 
300 0 
69-3 
63-Z 
3€.-8 
•180706 
0058292 
FEB 
6- 4^1 
266 4 
67 O 
67-6 
32 4 
•198457 
0070 877 
MAR. 
5 -27 
240 O 
€.4 8 
66 1 
33 8 
•155917 
•OO50296 
APR. 
5 16 
247 2 
61 9 
61 1 
38 9 
•132648 
■OOA42lfc 
MAY 
3-80 
206 4 
56 6 
56 1 
43 9 
•0865feO 
O027923 
JUN 
3 33 
213-6 
49 9 
53 0 
47 O 
070851 
•0023617 
JUL 
4 11 
220-8 
52 2 
39 2 
61-8 
•0&&505 
002.14 53 
AUG 
4-74 
266-4 
51-2 
48 1 
51-9 
•091329 
•002.94 61 
SEP 
7 21 
302-4 
643 
414 
58-6 
123058 
•004I013 
OCT 
6 32 
288 O 
637 
60-3 
39 7 
159194 
005I39I& 
MOV. 
7 63 
333-6 
620 
64 2 
35-8 
213128 
0O7I043 
DEC 
547 
261 6 
660 
78 8 
21 2 
•258019 
0063229 
MEAN. 
262 2 
60 74 
58 18 
41-82 
0043317 
TOTAL. 
6e-)Z 
1-591062 
Table 9. 
