Station: Royal Observatory, Hongkong.
Height above M.S.L. 109 ft.
1918.
Month of June.
Long. 7 36 41" 8 E.
Lat. 22° 18' 13.2" N.
316
( Zb 8 )
Barometer at M.S.L. and
Day.
reduced to gravity at
Air Temperature.
latitude 45°.
Tension of Vapour.
Humidity.
Relative
Wind.
Direction and Force.
Amount of
Cloud.
Rainfall.
Remarks.
1918.
7 8.
I p.
9 P.
7 A.
1 p.
9 p.
Max.
Min.
Daily Daily Means. Meaus,
Daily
7 n.
I p.
9 p.
Means.
in.
%%
June
Ins
Jas.
ins.
E
O
→
29.809
29.789
29.806
81.6
85.8
819
87.6
0.908
82 80.8
17
Dir. Vel. Dir.| Vel.| Dir. ¡Vel. polats m.ph pointsm.p.b points. m.p.b.
6
18 18
14
(0-10).
ins.
2
.809
.804
.798
81.3
86.2
81.4
36.7
76.7
.884
81
19
8 20 18
22
5 9.2 0.035 I 2 8.9
0.320
3
-793
.8oz
.805
78.4
79.5
77.8
80.0
74-7
.842
88
z8
14
+
.786
.784
.764
75.8
75.8
75.8
80.1
74.0
.846
94
.734
.723
710
76.1
79.4
80.3
8z.6
75.8
.864
89
.684
.705
.712
76.6
76.3
76.0
79.9
75-5
.857
93
.738
.772 .788
74-3
75-4
75.3
76.1
74.1
.799
92
-793
770
.770
76.8
79.8
78.4
81.0
7+9
.838
9
-753
-734
.734
79.0
81.3
79.1
83.1
75-3
.907
.6,6 .651
.652
76.4
84.2
80.0
86,0
75-7
.871
86
.647
.646
,662
77-3
85.4
80.8
36.6
76.9
.896
20
mano a+o
5
2
SINN
20 6
7
2
9.8
1.120
Solar bulo, Thunderstorms. Thunderstorms.
25
6
8
9.2 1.200
-
I
16
2
7
24
16
9
8 17
o a ao a
5 9.7
0.220
Lightning, Thunder.
19
9.9
1.140
Lightning.
6
9.7
0.360
6 13
7.0
0.030
7.9
1.130
3
16
7
20
3.5
0.895
18 to
21
7.9 0.865
Lightning.
Unusual Visibility, Rainbow, Lightning, Lightning.
Solar balo, Thunderstormns
[Thandher.
12
.653
.641
.683
77.6
82.4
80.0
36.1
76.1
.883
86
22 TI
8.1
2.835
Solar halo, Lightning.
13
.670
.649
.654
77-5
79.6
78.8
82.8
76.2
.881
6
90
7
9
5
9.5
1.190
14
.600
-597
.707
75-9
77.1
79.1
79.6
75.3
1870
93
14
5
20
10.0
2.385
Lightning.
15
.744
.746
.767
75.0
78.5
77.1
79.3
74.1
.827
91
1
10.0
3.040
16
785
.766
.787
75.4
Ro.8
74.2
814
73-3
.821
91
15
30
10.0 2.145
17
.779
.792
-777
74.2
75.8
73.2
76.9 72.8
.828
1
95
18
.759
.786
.776
74.8 77.6
75.7
79.1
73-4
.818
92
13
10
15
NON
10.0
+-995
9.8
0.365
19
.823 .848
.844
75.5
77-4
76.5
78.5
74.6
.835
92
*
12
9.6 0.420
20
.826
.845
.824
79.6
82.4
78.9
82.6
77.1
.877
86
13
9
9.5
21
.796
-787
.765
79.8
83.4
80,0
85-5
79.0
.868
82 14
9
7
9.0
0.005
22
751
-735
.732
79.6
84.7
80.g
86.1
79.4
.835
78
23
-759
-752
-753
82.2
84.0
80.6
86.0
79-7
.866
79
24
758
.742
-710
80.1
84.1
80.0
86.z
79.2
.867
25
-738
.698
.708
81.9
85.6
79.8
87.6
79.0
.866
26
.720
-715
.714
80.1
85.3
80.4
87.7
78.3
.875
27
.736
.727
.692
80.4
86.0
79.6
86.4
76.8
.877
28
.687
.638
-550
79.6
86.4 81.5
88.2
76.8
.862
29
.519
.422
+359
79.4
8.4
86.2
89.9
77.1
.901
30
.287
.235
.227
82.1
87.8
83.+
88.8
81.8
.850
RADRON REN
16
8.2
9
16 6
7.6
80
15
3
20
5-7
0.035
Rainbow.
79
16
18
9
5.1
0.055
80
17
7
3-9
**
8z
8
13
1.7
78
24
1
1.7
77
22
13
22
6
2.5
72
26
9 27 13
28
I [
8.7
0.010
Thunderstorms.
Thunderstorins.
Thunderstormna, Slight fog. Thunderstorms, Lunar halo.
Thunderstormis.
Thunderstorms.
Lightning, Unusual Visibility. Rainbow.
Lunar Corona.
Unusual Visibility, Rainbow,
Unusual Visibility.
Slight fog.
Slight fog. Lightning. Lunar hulo, Lightning,
Sum.
Mean 29.720
29.710
29.708
78.1
81.8
79.1
83.6
76.5
0.861
86
12.9 60 18.8 10.3 12.3 7.0
8.0 24.795
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