SUPPLEMENT
To the HONGKONG GOVERNMENT GAZETTE of 8th October, 1887.
GOVERNMENT NOTIFICATION.-No. 414.
The following report from the Director of the Observatory for the month of July, 1887, is published for general information.
By Command,
Colonial Secretary's Office, Hongkong, 8th October, 1887.
HONGKONG OBSERVATORY.
Weather Report for July, 1887.
FREDERICK STEWART, Colonial Secretary.
In the China Coast Meteorological Register, based on information transmitted by the Eastern Extension and Great Northern Telegraph Companies, which was daily published, is given a summary of the atmospheric circumstances in Luzon and along the Coast of China, and information concerning the weather in Nagasaki and Wladivostock. It contains also information concerning the first appear- ance and progress of typhoons.
Unusual visibility was noted on the 4th, 7th, 8th, 12th, 13th, 14th, 16th and 31st.
It was hazy on the mornings of the 13th, 14th, 23rd, 26th and 27th.
Dew fell on the evenings of the 3rd, 5th, 6th, 7th, 12th and 13th.
Solar halos were seen on the 4th, 6th, 8th, 10th, 17th and 23rd.
Lunar halos were noted on the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 25th, 27th, 30th and 31st. Lunar coronas were seen on the 26th and 29th.
Rainbows were seen at 7h 10m. a. on the 8th, at the same time and also at 5 p. on the 16th, and at 5h 50m. p. on the 20th.
Thunder was heard during the day on the 1st, and between 9 and 11" p. a thunderstorm passed from ESE to WNW. It was nearest (40s.) at 10 7 p. Thunder was heard the next morning and lightning seen in the evening.
Between 1 and 13 a. on the 3rd a thunderstorm passed from SE to SW. It was nearest (51s.) at 1 gm. a.
On the 5th from 8" to 10" a. a thunderstorm passed from N through W to S. It was nearest (178.) at 9h 12m. a. Lightning was seen the same evening.
Thunder was heard on the afternoon of the 6th, also during the day on the 9th with lightning in the evening.
Lightning was seen on the evenings of the 17th, 18th, 19th, 22nd, 23rd, 24th, 25th, 26th, 27th, 28th, 29th and 30th.
Thunder was heard on the afternoon of the 18th, evening of the 19th, morning of the 24th, and on the 25th morning and evening.
On the 29th from 2 a. to 6 a. a thunderstorm passed from W by S to E. It was nearest (12s.) at 41 18m. a.
The total distance traversed by, as well as the duration and average velocity of winds from different quarters were as follows :
Direction.
Totul Distance.
Miles.
Duration. Hours.
Velocity. Miles per hour.
N
116.
19
6.1
NE
837
63
13.3
E
4246
290
14.6
SE
1700
93
18.3
S
410
53
7.7
SW
1030
74
13.9
W
558
75
7.4
NW
206
40,
5.2
Calm
31
37
0.8