F 6
The rainfall was moderately above normal in February and October and considerably above normal in May, June and July. It was moderately below normal in March, August and September. No rain fell from 5 a.m. on October 18 to 5 p.m. on December 3. The total for the year was 98.37ins as against 106.74ins. in 1923 and 85.13ins. for the past 41 years. The greatest fall in one civil day was 6.60ins on June 23 as against 20.495ins. for the past 41 years and the greatest in one hour was 1.74ins between 12:30 p.m. and 1:30 p.m. on May 22, as against 3.480ins for the past 41 years.
The wind velocity was normal in January and November, moderately above normal in June and slightly to moderately above normal in the other months. The mean velocity for the year was 11.7 m.p.h. as against 12.2 m.p.h. in 1923, and 12.6 m.p.h. for the past 41 years. The maximum velocity for one hour, as recorded by the Beckley Anemograph, was 46 miles at midnight and 2 a.m. on October 4 and 5 respectively as against 106 miles in 1923, and 108 miles for the past 41 years. The maximum squall velocity as recorded by the Dines-Baxendell Anemograph, was at the rate of 69 m.p.h. at 1.55 a.m. on October 5, as against 130 m.p.h. in 1923, the highest on record.
Rainfall at Four Stations.—In the following table the monthly rainfall for the year 1924 at the Observatory is compared with the fall at the Police Station, Tai Po; the Botanical Gardens; and the Matilda Hospital, Mount Kellet:
Month Observatory Police Station (Kowloon) (Tai Po) Botanical Gardens (Hong Kong) Matilda Hospital (Hong Kong) January 1.080 inches 1.44 inches 1.59 inches 1.48 inches February 4.510 inches 8.02 inches 4.50 inches 3.80 inches March 0.180 inches 1.82 inches 0.26 inches 0.23 inches April 6.215 inches 5.23 inches 4.89 inches 4.20 inches May 16.875 inches 11.24 inches 15.97 inches 15.20 inches June 23.140 inches 24.86 inches 25.05 inches 23.47 inches July 19.675 inches 15.43 inches 18.24 inches 18.31 inches August 10.655 inches 9.50 inches 14.29 inches 13.05 inches September 6.440 inches 5.55 inches 10.28 inches 10.01 inches October 9.090 inches 12.22 inches 9.70 inches 13.58 inches November December 0.710 inches 1.05 inches 0.74 inches 0.95 inches Year 98.570 inches 96.36 inches 105.51 inches 104.28 inches