292 
Transactions of the Moyal Society of South Africa. 
EVAPORATION; UNION OBSERVATORY- JOHANNESBURG- 
OB5ERVATUON^> FOH 1917. 
1917 
tVAPORATlor 
WCHES 
MEAN 
MfAN 
rEMPERATuRE 
tna^ tmift 
I- "T 
MEAN DAILY 
RELATIVE 
HUMIDITY 
MEftN DAILY 
OmCIENCY . Of 
Reu ATive 
lOO— M. 
MUN MONTHLY 
EVAPORATION 
IMtNCHEb PtR 
l%DEFiClEt1CV OF 
«u tvi 1 0 1 T y. 
Meavi Daily 
evaporation 
in inched pe k 
I'^oDEnClEMCY OF 
wo rvi \o\-T y. 
JAN. 
o ^ O 
2.^0-8 
o7 / 
32-3 
t743>03 
0OSfc227 
FE-B. 
271 Z 
64 1 
71-5 
28-5 
I55088 
0055383 
4 18 
Z47 2 
64 3 
fel. 8 
36 2 
U5469 
0037 2 4 8 
4 33 
2544 
57 8 
63 5 
36 5 
118 630 
00382-68 
MAY 
3 81 
247- Z 
54 2 
527 
47 3 
080 550 
•O025984 
JV>N. 
2 90 
278 4 
49 8 
566 
4-». 4 
O6fe820 
0022 273 
JUL. 
3 03 
316-8 
47 O 
538 
46 2 
066883 
0021 575 
3 23 
Z76 0 
49 2 
63 8 
362 
089226 
002e7«5 
SEP 
4 ss 
30+8 
56 7 
6"b8 
36 2 
\Z5"fc90 
O04I 896 
OCT 
7 16 
3t)4 8 
49 1 
50 9 
140668 
00'J5377 
NOV 
6 17 
61 O 
72 4 
27 6 
223551 
0074 S/ 7 
DEC. 
4 57 
24'»8 
62 e 
77 6 
22 4 
2040I8 
ooesetz. 
MEAN. 
5^ 04 
e74 o 
58 08 
63 03 
3697 
1 4fcl726 
00900^7 
Table 12. 
KENILWORTH-KIMBERLET 
MEAN ANNUAL EVAPORATION FOR EACH HOUR PER DIEM. 
FROM D"** SUTTONS PAPER TO THP SOCIETY FOR ADVANCEMENT OF SCIENCE 1904. 
MEAN * 
MEAN 
MEAN * 
MEAN * 
HEAN 
MEAN ANNUAL 
ME AH DA\LY 
ANNUAL 
DAILY 
RELATIVE 
TBMPERATUSE 
DEFICIENCY 
EVAPORATION 
EVAPORATION 
HOUR 
EVAPORATION 
EVAPORATION 
HUMIDITY 
OF HUMIDITY 
PER 1% OF 
PER 1% OF 
INCHES 
INCHES 
H.% 
100 -H % 
DEFICIENCY 
DEFICIENCY 
I 
/ 
62 00 
55 70 
38 00 
■ 038S9 mtk 
H 
/ 'f7'9 
■oootfos 
69 20 
5-* 55 
35 8 0 
09t/7 
■000// 2S 
TSL 
000 ist 
66/5 
53 50 
3385 
Of2Zi- 
000// 57 
TSL 
/ 9/7 
000 589 
67-7£? 
52 60 
32 30 
■000/201 
V 
000 J83 
6920 
51 75 
30 eo 
09590 
■000/296 
yi 
/ 9es 
■000 90(> 
70-75 
51 30 
2925 
0S076 
000/390 
nr 
/ 753 
000981 
7000 
52 50 
30 00 
-osei,s 
00O/hO6 
/ 692 
OOOS/3 
63 00 
5fe50 
zezo 
0S2Z6 
000/931 
h: 
2 OS/ 
000 S6Z 
S9 f>0 
62 05 
9S90 
O^S/7 
000/231 
2 f^y 
000 ejo 
97 OS 
66 95 
SZ95 
■09(>2I 
000/266 
n 
3 007 
oooazh 
91 70 
70-7S 
S9 30 
■OS/ 57 
000/9/ i 
XII (noon) 
3 -ess 
00 1010 
Z7 70 
T3 65 
6230 
- 053/ S 
000/62/ 
TTTT 
9 587 
■ 001201 
zses 
7S70 
&9f5 
000/873 
9 78^ 
■ 0013/0 
33 -20 
76-85 
6^80 
■07/60 
000/$6l 
^ eoz 
001 21s 
32 65 
7720 
675S 
07/5/ 
O00/9S3 
9 388 
■001702. 
31i 20 
It,- 65 
eheo 
06568 
000/799 
T71T 
37/0 
OOlOlb 
36 90 
79 ■fo 
63 60 
(75933 
•000/599 
2859 
0 00761 
9/es- 
709s 
se /5 
O'^907 
■ 000/399 
lax 
Z 295 
000 (>f 5 
963S 
es9o 
53 05 
•OfZZZ 
■000// S9 
/ 935 
ooosso 
SO 55 
eiso 
9S fS 
033/3 
■O00/O72 
TXT 
IBt9 
Si 00 
e/95 
9700 
■ aero 
000/ oio 
/ 73/ 
00097^ 
SS30 
J 9 7(7 
99-70 
■OS872 
■000/06/ 
zxni 
/ 7/7 
■000970 
S7S5 
58-/5 
92 VS 
- O-fO^f, 
000// 08 
xrrv 
/ 529 
0009/9 
S975 
56 85 
90 -Z5 
■03736 
000/0 
A/OTe C Sut/ons c/a/a marAvc/ 4^ th.m 
