Traditional Chinese Simplified Chinese
Daily Extract of Hong Kong Observatory for Buddha's Birthday
dotted Line

Climatological Information for Buddha's Birthday
(Period: 1947 - 2017)

[8th day of the 4th lunar month]

  1. Table of Daily Maximum Air Temperature recorded at Hong Kong Observatoy ( Annual Data  /  30-year Normals )
  2. Table of Daily Mean Temperature recorded at Hong Kong Observatoy ( Annual Data  /  30-year Normals )
  3. Table of Daily Minimum Air Temperature recorded at Hong Kong Observatoy ( Annual Data  /  30-year Normals )
  4. Table of Daily Mean Relative Humidity recorded at Hong Kong Observatoy ( Annual Data  /  30-year Normals )
  5. Table of Daily Total Rainfall recorded at Hong Kong Observatoy ( Annual Data  /  30-year Normals )
  6. Table of Daily Mean Cloud Amount recorded at Hong Kong Observatoy ( Annual Data  /  30-year Normals )

Date
(yyyy-mm-dd)
Daily Maximum Air Temperature recorded at
Hong Kong Observatory
(°C)
D-3 D-2 D-1 Day(D) D+1 D+2 D+3
1947-05-27 30.4 30.1 28.1 29.9 27.8 28.3 28.3
1948-05-16 24.6 26.4 27.3 26.9 27.7 28.3 28.5
1949-05-05 26.7 25.6 25.6 28.2 31.1 29.3 27.7
1950-05-24 24.2 22.2 23.8 26.4 30.7 30.7 31.6
1951-05-13 27.1 26.1 24.1 24.8 29.4 30.3 31.0
1952-05-01 29.6 30.7 26.1 27.7 27.7 31.2 32.1
1953-05-20 24.3 23.7 25.4 27.2 29.3 30.4 32.3
1954-05-10 31.1 31.3 32.4 26.3 24.4 29.3 30.3
1955-05-29 28.2 31.2 32.5 32.5 28.6 27.3 27.1
1956-05-17 25.1 23.8 25.6 25.4 28.5 29.9 31.2
1957-05-07 28.1 30.8 30.8 27.8 30.3 26.9 30.3
1958-05-26 28.8 28.6 29.9 31.8 30.3 29.1 28.9
1959-05-15 29.6 28.3 27.8 31.6 32.0 29.1 25.8
1960-05-03 25.6 29.1 29.2 30.2 28.8 30.1 27.8
1961-05-22 26.6 31.6 31.3 26.3 26.1 24.0 25.3
1962-05-11 32.3 33.3 26.8 27.9 31.0 29.4 32.2
1963-05-01 26.4 30.3 28.3 29.9 28.7 26.8 31.1
1964-05-19 28.0 30.0 30.4 32.1 33.3 32.4 32.0
1965-05-08 24.0 27.5 30.2 30.7 30.0 30.5 26.5
1966-05-27 27.5 26.4 26.9 27.2 30.0 32.6 30.2
1967-05-16 32.5 32.2 26.0 29.0 29.3 29.7 31.4
1968-05-04 28.1 29.3 30.3 29.2 29.6 31.1 32.3
1969-05-23 30.5 25.8 31.3 30.4 29.0 29.5 25.7
1970-05-12 31.9 28.5 28.7 26.0 27.6 22.9 24.3
1971-05-02 29.8 29.6 27.2 28.7 28.6 29.5 25.1
1972-05-20 23.6 24.7 27.7 26.2 24.6 23.6 25.2
1973-05-10 30.6 30.7 26.3 25.3 23.2 25.1 24.9
1974-04-29 28.1 25.1 24.2 26.6 25.9 29.2 26.7
1975-05-18 27.1 29.5 27.7 29.8 30.0 28.0 30.5
1976-05-06 29.7 25.9 23.7 26.6 25.0 23.4 23.2
1977-05-25 30.5 31.1 27.3 29.1 30.4 29.4 30.0
1978-05-14 24.2 27.3 28.3 27.2 27.7 25.2 25.9
1979-05-03 28.4 29.8 25.9 22.4 22.2 22.3 24.5
1980-05-21 27.2 28.5 28.9 28.5 27.5 27.5 30.4
1981-05-11 30.8 30.0 25.8 26.8 28.0 24.7 24.1
1982-05-01 23.3 21.8 21.9 26.0 24.6 28.3 27.9
1983-05-20 26.8 27.0 28.5 27.4 27.4 28.4 27.5
1984-05-08 24.4 24.5 25.6 27.3 29.4 28.2 28.2
1985-05-27 30.2 30.3 30.9 31.1 30.9 28.0 26.8
1986-05-16 31.2 30.1 28.6 28.7 28.9 26.4 29.1
1987-05-05 29.0 28.8 22.1 21.9 25.7 27.1 24.0
1988-05-23 31.5 30.5 29.3 25.7 26.1 27.5 26.3
1989-05-12 29.6 29.8 31.0 30.7 30.1 25.6 23.5
1990-05-02 28.7 29.3 29.1 29.8 29.6 25.7 26.4
1991-05-21 30.1 31.0 32.1 32.5 31.9 32.4 31.8
1992-05-10 27.8 24.6 25.9 23.5 22.9 27.0 29.7
1993-05-28 25.6 26.4 29.3 31.7 28.2 29.4 30.5
1994-05-18 29.5 32.9 32.4 30.4 29.1 28.3 30.5
1995-05-07 27.2 23.3 27.2 26.9 26.5 25.0 30.1
1996-05-24 30.4 29.9 28.4 30.2 28.5 26.6 26.8
1997-05-14 29.8 30.2 30.7 31.5 31.6 31.8 28.2
1998-05-03 27.4 29.9 28.7 25.9 27.3 28.5 29.9
1999-05-22 26.4 26.3 25.7 28.1 30.2 30.8 30.5
2000-05-11 25.7 26.9 24.9 26.9 27.4 29.6 28.1
2001-04-30 24.9 26.2 30.0 31.8 27.1 26.7 24.9
2002-05-19 29.0 26.5 26.8 27.7 27.8 30.7 30.9
2003-05-08 27.2 29.1 29.6 30.9 27.5 27.4 28.3
2004-05-26 28.5 29.0 28.2 29.3 31.4 31.0 29.6
2005-05-15 29.8 30.1 30.5 30.5 30.7 30.6 32.2
2006-05-05 29.8 23.6 25.1 28.3 30.3 30.2 31.5
2007-05-24 24.0 25.4 31.1 30.6 31.7 32.5 31.1
2008-05-12 31.0 27.1 24.9 28.2 29.1 29.2 28.9
2009-05-02 25.4 26.2 27.9 28.0 28.8 28.4 28.2
2010-05-21 29.6 28.8 29.9 30.7 29.6 29.0 29.5
2011-05-10 31.3 29.5 30.5 32.9 33.0 32.5 28.8
2012-04-28 29.0 28.8 23.6 25.9 30.2 30.1 30.5
2013-05-17 28.8 31.0 30.0 27.5 30.8 30.9 31.6
2014-05-06 26.8 23.8 23.8 20.4 21.2 23.2 22.2
2015-05-25 24.3 27.4 29.0 32.5 28.7 31.0 31.9
2016-05-14 28.8 27.6 27.8 27.7 29.8 27.1 24.6
2017-05-03 28.2 29.5 28.1 31.3 27.6 29.8 31.1
Maximum 32.5 33.3 32.5 32.9 33.3 32.6 32.3
Minimum 23.3 21.8 21.9 20.4 21.2 22.3 22.2
30-year Normals
(1961-1990) 28.4 28.6 27.7 27.8 28.0 27.4 27.4
(1971-2000) 28.2 28.2 27.5 27.8 27.6 27.4 27.5
(1981-2010) 28.2 27.9 28.1 28.6 28.6 28.5 28.5
### means data not available
Column's Maximum in light red background colour
Column's Minimum in light blue background colour



Date
(yyyy-mm-dd)
Daily Mean Temperature recorded at
Hong Kong Observatory
(°C)
D-3 D-2 D-1 Day(D) D+1 D+2 D+3
1947-05-27 27.4 27.3 25.0 27.6 26.0 25.6 25.7
1948-05-16 22.5 23.8 24.7 24.5 24.9 25.2 25.6
1949-05-05 23.1 23.7 23.6 24.9 26.8 26.2 25.0
1950-05-24 21.9 21.0 22.6 23.9 26.5 27.6 28.3
1951-05-13 24.3 23.9 23.2 24.0 26.2 27.7 28.1
1952-05-01 25.0 27.2 24.9 25.5 25.2 27.4 28.8
1953-05-20 22.5 22.3 23.3 25.0 27.3 28.0 28.3
1954-05-10 27.6 27.8 28.3 24.0 23.4 25.3 27.4
1955-05-29 26.3 27.8 29.2 29.2 26.7 25.7 24.2
1956-05-17 23.0 22.8 23.0 22.8 25.3 27.7 27.9
1957-05-07 25.5 26.5 27.5 25.4 26.4 25.1 27.3
1958-05-26 25.4 25.6 26.4 27.0 26.8 26.2 25.8
1959-05-15 26.4 25.9 25.9 27.3 27.9 27.1 25.0
1960-05-03 23.4 25.5 27.3 27.7 27.4 28.0 24.4
1961-05-22 25.1 27.8 27.8 24.5 23.5 22.7 23.3
1962-05-11 28.2 28.3 24.9 25.6 27.0 26.7 28.1
1963-05-01 23.8 25.5 25.3 25.7 25.6 24.7 25.9
1964-05-19 25.3 26.5 27.0 28.2 29.1 28.7 28.2
1965-05-08 22.3 24.0 25.6 27.1 27.7 27.7 24.0
1966-05-27 25.0 24.1 24.3 24.7 27.1 28.0 27.1
1967-05-16 27.3 27.3 24.8 25.8 26.3 26.6 27.5
1968-05-04 24.1 25.0 25.7 26.3 26.8 27.7 28.2
1969-05-23 27.9 23.7 27.1 29.1 26.6 26.0 24.4
1970-05-12 28.8 26.7 24.7 23.4 24.9 22.0 22.1
1971-05-02 25.9 25.8 25.2 25.8 26.0 26.6 22.1
1972-05-20 22.5 23.4 25.4 24.9 23.0 22.9 24.0
1973-05-10 28.1 28.2 24.7 23.4 22.3 23.3 23.8
1974-04-29 24.4 23.2 22.0 22.7 23.8 26.5 22.9
1975-05-18 26.1 27.6 25.8 27.9 28.3 25.1 27.2
1976-05-06 26.4 23.0 20.2 22.5 22.7 22.1 22.0
1977-05-25 26.8 28.1 25.7 26.9 27.0 26.8 26.5
1978-05-14 22.6 24.2 24.7 24.3 24.9 24.1 24.4
1979-05-03 25.1 26.1 21.5 20.7 21.6 21.9 22.9
1980-05-21 23.4 24.4 25.5 25.2 24.3 25.8 27.9
1981-05-11 26.8 26.6 24.7 24.6 24.1 22.9 23.5
1982-05-01 22.0 21.0 20.8 22.9 22.6 23.5 23.9
1983-05-20 24.2 24.7 25.4 25.1 25.0 26.3 26.1
1984-05-08 21.1 21.2 22.8 23.6 25.1 25.1 25.6
1985-05-27 27.1 26.9 28.0 29.0 27.3 26.0 25.5
1986-05-16 28.4 27.2 26.1 25.9 25.7 25.1 26.7
1987-05-05 27.4 24.9 21.0 21.0 23.1 24.1 22.7
1988-05-23 29.5 29.4 27.5 24.2 24.6 25.8 25.3
1989-05-12 27.4 28.0 28.7 28.5 27.2 22.9 22.3
1990-05-02 24.6 25.4 25.7 26.0 26.6 22.5 22.3
1991-05-21 27.7 28.8 29.0 29.0 29.5 29.9 29.7
1992-05-10 25.3 23.4 24.0 21.5 21.9 23.6 25.3
1993-05-28 24.7 24.9 26.9 27.8 25.7 26.6 28.7
1994-05-18 28.3 29.5 28.6 27.1 26.6 26.2 27.5
1995-05-07 24.3 22.1 23.9 24.0 23.9 24.1 25.6
1996-05-24 26.7 26.5 26.3 26.9 26.5 25.0 25.7
1997-05-14 26.6 27.9 28.2 28.4 28.8 28.9 26.8
1998-05-03 25.4 27.6 26.4 24.6 25.2 26.1 26.7
1999-05-22 24.5 24.8 24.8 25.9 27.6 28.4 28.3
2000-05-11 24.4 24.8 23.5 24.2 25.2 26.2 26.5
2001-04-30 22.7 24.2 26.8 27.8 25.6 24.9 23.9
2002-05-19 26.4 24.4 25.4 25.7 26.2 29.2 29.0
2003-05-08 24.9 28.1 28.5 28.7 25.5 25.4 25.9
2004-05-26 25.9 26.4 26.4 27.3 28.5 28.4 27.3
2005-05-15 27.1 28.8 29.1 29.1 28.5 29.2 29.1
2006-05-05 27.0 22.8 24.2 26.4 28.1 28.2 28.5
2007-05-24 23.4 24.5 27.8 28.9 29.5 29.5 26.5
2008-05-12 27.8 24.3 22.4 24.1 24.6 24.7 24.6
2009-05-02 21.9 22.7 23.3 23.7 24.2 23.6 24.0
2010-05-21 27.3 26.0 25.9 28.5 29.0 26.0 25.6
2011-05-10 27.6 26.9 27.3 28.5 29.3 29.5 26.9
2012-04-28 27.5 24.4 22.3 23.5 27.2 28.5 28.7
2013-05-17 26.2 28.4 27.6 25.9 28.3 29.2 29.0
2014-05-06 24.6 22.4 21.8 19.9 20.4 22.2 21.7
2015-05-25 23.6 24.8 26.6 28.4 26.9 29.2 30.0
2016-05-14 25.5 25.1 25.5 25.4 26.6 24.8 23.7
2017-05-03 24.0 25.0 26.1 27.5 24.9 26.1 27.5
Maximum 29.5 29.5 29.2 29.2 29.5 29.9 30.0
Minimum 21.1 21.0 20.2 19.9 20.4 21.9 21.7
30-year Normals
(1961-1990) 25.6 25.6 25.0 25.2 25.3 25.0 24.9
(1971-2000) 25.6 25.7 25.1 25.2 25.2 25.1 25.3
(1981-2010) 25.7 25.6 25.7 26.0 26.1 25.9 26.0
### means data not available
Column's Maximum in light red background colour
Column's Minimum in light blue background colour



Date
(yyyy-mm-dd)
Daily Minimum Air Temperature recorded at
Hong Kong Observatory
(°C)
D-3 D-2 D-1 Day(D) D+1 D+2 D+3
1947-05-27 25.3 24.9 23.5 25.4 24.1 23.7 23.8
1948-05-16 20.8 21.6 22.4 22.5 23.2 23.2 23.5
1949-05-05 21.1 21.9 22.2 22.7 22.8 23.7 23.6
1950-05-24 19.9 19.4 21.0 22.4 23.1 25.7 26.1
1951-05-13 22.6 22.0 21.8 23.1 23.4 26.2 26.3
1952-05-01 22.2 24.0 23.4 24.4 23.4 24.7 26.8
1953-05-20 21.6 20.8 22.0 23.0 26.1 26.7 23.8
1954-05-10 24.9 24.3 25.7 22.8 22.1 22.9 24.3
1955-05-29 24.8 25.3 26.9 26.8 24.8 23.8 22.4
1956-05-17 21.4 21.6 21.8 21.3 22.7 26.1 26.0
1957-05-07 23.7 22.9 25.6 21.6 23.4 23.4 25.2
1958-05-26 22.9 23.4 23.1 23.9 24.9 24.9 23.3
1959-05-15 24.2 24.8 24.5 24.6 25.4 24.9 23.4
1960-05-03 22.1 23.2 25.4 26.6 26.2 26.7 22.4
1961-05-22 23.9 25.2 25.8 22.7 21.8 21.5 21.4
1962-05-11 26.4 26.3 23.4 23.8 24.0 25.0 25.6
1963-05-01 21.4 22.1 22.9 22.8 23.5 23.7 23.6
1964-05-19 23.2 24.1 25.2 25.4 26.3 26.2 26.6
1965-05-08 21.1 21.2 23.4 24.1 26.3 25.6 21.4
1966-05-27 23.3 22.2 21.6 21.8 24.0 25.6 25.1
1967-05-16 25.0 24.8 23.8 23.6 23.9 24.2 24.8
1968-05-04 21.1 22.0 22.5 24.8 25.7 25.2 25.8
1969-05-23 24.5 22.3 23.1 28.3 24.0 24.1 23.4
1970-05-12 27.1 24.7 21.8 21.2 22.6 21.3 20.6
1971-05-02 23.4 23.7 24.0 23.9 24.3 24.3 18.8
1972-05-20 21.3 21.8 24.0 23.4 22.2 21.7 22.9
1973-05-10 26.4 25.3 23.3 22.2 21.6 22.1 22.6
1974-04-29 22.0 22.0 20.7 20.1 22.1 24.7 21.4
1975-05-18 23.7 24.7 22.6 25.3 27.2 23.4 24.4
1976-05-06 24.8 20.6 17.4 19.1 21.1 20.7 21.1
1977-05-25 23.5 25.9 23.9 25.5 24.5 25.2 24.5
1978-05-14 21.2 21.6 23.0 23.1 23.3 23.4 23.3
1979-05-03 22.6 23.4 19.8 19.4 20.7 21.3 21.9
1980-05-21 21.0 22.0 23.1 23.8 23.0 23.8 26.0
1981-05-11 24.2 25.6 23.7 23.4 21.9 21.6 23.2
1982-05-01 21.3 20.3 19.9 21.0 20.9 19.6 21.3
1983-05-20 22.2 23.0 23.3 23.1 24.0 24.5 25.1
1984-05-08 19.4 17.9 20.6 20.6 22.0 23.6 24.0
1985-05-27 25.7 25.6 26.0 27.8 24.3 24.8 24.6
1986-05-16 26.1 24.7 24.7 24.0 23.7 23.8 25.1
1987-05-05 26.5 21.3 20.1 19.9 21.4 22.9 21.7
1988-05-23 28.3 28.5 25.1 23.1 22.9 24.9 24.6
1989-05-12 25.8 26.8 27.3 27.2 25.1 20.9 21.1
1990-05-02 21.9 23.0 23.7 23.3 24.5 20.7 19.9
1991-05-21 26.0 27.2 27.4 26.9 28.0 28.6 28.7
1992-05-10 22.4 22.4 23.2 20.2 21.0 21.6 22.3
1993-05-28 23.7 23.9 24.9 25.0 23.6 24.1 26.0
1994-05-18 26.1 27.4 26.1 25.7 25.0 24.9 25.8
1995-05-07 21.2 20.8 21.5 22.8 22.8 23.5 22.8
1996-05-24 24.8 24.4 25.3 25.3 24.2 24.0 24.6
1997-05-14 23.6 26.6 26.7 26.6 27.1 25.0 24.2
1998-05-03 24.6 25.7 21.9 22.1 23.9 24.8 24.7
1999-05-22 23.6 24.1 24.0 24.3 25.9 27.1 25.8
2000-05-11 23.6 23.4 22.4 22.8 23.9 24.2 25.2
2001-04-30 21.0 22.8 24.3 25.8 24.0 23.6 23.4
2002-05-19 23.5 22.3 24.6 24.5 25.0 27.2 26.4
2003-05-08 23.3 26.5 27.6 27.4 24.4 24.3 24.5
2004-05-26 23.6 24.3 25.0 25.6 26.6 25.8 26.1
2005-05-15 24.5 27.9 28.2 28.3 26.1 27.3 24.1
2006-05-05 23.3 21.7 23.3 24.2 26.8 26.7 26.7
2007-05-24 22.5 23.9 24.9 26.9 28.0 28.1 23.6
2008-05-12 25.9 20.9 20.7 22.3 21.6 22.2 21.9
2009-05-02 19.8 20.9 20.7 21.2 21.5 21.4 22.0
2010-05-21 25.0 22.6 22.6 26.3 28.2 23.9 22.7
2011-05-10 25.4 25.5 25.3 26.2 27.5 27.7 24.8
2012-04-28 23.6 22.0 21.5 21.3 23.9 26.6 27.8
2013-05-17 25.0 25.9 24.7 24.8 25.8 28.2 25.7
2014-05-06 23.1 21.5 20.2 18.8 19.8 21.2 20.9
2015-05-25 22.9 23.9 24.6 25.4 24.6 27.8 28.3
2016-05-14 23.4 23.7 24.4 24.0 24.4 22.5 23.2
2017-05-03 21.4 22.6 24.3 25.6 22.9 23.4 25.3
Maximum 28.3 28.5 28.2 28.3 28.2 28.6 28.7
Minimum 19.4 17.9 17.4 18.8 19.8 19.6 18.8
30-year Normals
(1961-1990) 23.6 23.4 23.0 23.3 23.4 23.3 23.2
(1971-2000) 23.7 23.8 23.3 23.4 23.5 23.5 23.6
(1981-2010) 23.8 23.9 24.0 24.3 24.3 24.2 24.1
### means data not available
Column's Maximum in light red background colour
Column's Minimum in light blue background colour



Date
(yyyy-mm-dd)
Daily Mean Relative Humidity recorded at
Hong Kong Observatory
(%)
D-3 D-2 D-1 Day(D) D+1 D+2 D+3
1947-05-27 85 86 94 84 91 85 84
1948-05-16 89 86 86 87 90 87 90
1949-05-05 88 74 86 90 83 83 68
1950-05-24 86 91 96 96 89 86 82
1951-05-13 79 83 93 96 91 85 84
1952-05-01 92 85 90 96 96 88 83
1953-05-20 95 96 97 96 89 86 85
1954-05-10 86 84 81 89 91 91 87
1955-05-29 92 85 79 80 91 94 87
1956-05-17 85 89 95 95 94 85 86
1957-05-07 85 79 78 88 83 94 82
1958-05-26 86 73 57 68 53 64 79
1959-05-15 81 81 82 79 78 86 94
1960-05-03 95 91 83 84 87 83 87
1961-05-22 91 85 84 92 84 90 86
1962-05-11 80 80 90 85 82 82 74
1963-05-01 88 78 80 79 82 85 81
1964-05-19 77 81 83 79 78 80 82
1965-05-08 78 88 85 84 81 82 92
1966-05-27 66 60 54 56 70 77 86
1967-05-16 80 77 75 67 72 75 75
1968-05-04 77 74 74 81 84 79 77
1969-05-23 85 90 86 82 90 85 91
1970-05-12 76 88 88 93 93 93 85
1971-05-02 81 83 86 82 83 85 83
1972-05-20 89 95 94 97 93 94 95
1973-05-10 85 88 95 93 94 95 98
1974-04-29 71 89 89 79 93 88 96
1975-05-18 91 86 92 84 83 93 84
1976-05-06 89 94 84 65 59 80 87
1977-05-25 84 82 90 84 86 89 90
1978-05-14 70 71 77 82 81 89 90
1979-05-03 87 86 91 92 94 91 92
1980-05-21 69 78 80 80 80 82 80
1981-05-11 75 83 93 94 90 82 86
1982-05-01 94 94 94 94 92 70 80
1983-05-20 75 73 82 90 90 86 88
1984-05-08 72 63 69 69 72 85 86
1985-05-27 80 83 80 80 86 86 91
1986-05-16 83 85 68 70 73 88 88
1987-05-05 80 87 85 94 92 95 97
1988-05-23 79 81 88 91 93 93 95
1989-05-12 84 84 79 80 80 85 77
1990-05-02 82 85 85 81 81 77 62
1991-05-21 82 77 81 77 76 74 74
1992-05-10 88 96 94 90 76 71 76
1993-05-28 95 94 84 61 56 69 81
1994-05-18 80 76 77 75 71 78 81
1995-05-07 88 78 70 78 82 84 78
1996-05-24 73 75 78 78 81 91 90
1997-05-14 85 82 81 77 76 77 84
1998-05-03 89 83 86 85 86 85 83
1999-05-22 90 78 82 88 82 79 79
2000-05-11 81 82 95 82 82 79 79
2001-04-30 79 90 87 82 85 87 90
2002-05-19 85 89 89 94 92 81 82
2003-05-08 93 84 83 80 83 80 80
2004-05-26 77 73 84 83 80 81 83
2005-05-15 88 81 79 81 84 79 81
2006-05-05 86 95 91 89 78 79 79
2007-05-24 95 97 86 81 77 79 88
2008-05-12 81 79 83 76 63 72 68
2009-05-02 69 68 69 63 73 79 71
2010-05-21 85 89 87 84 82 80 65
2011-05-10 80 83 83 76 79 79 88
2012-04-28 83 83 92 95 89 82 83
2013-05-17 91 85 86 94 88 84 82
2014-05-06 76 95 91 89 94 97 99
2015-05-25 92 97 94 86 95 84 81
2016-05-14 75 80 82 89 85 73 80
2017-05-03 75 81 85 82 90 81 79
Maximum 95 97 97 97 96 97 99
Minimum 66 60 54 56 53 64 62
30-year Normals
(1961-1990) 81 82 83 83 84 85 86
(1971-2000) 82 83 84 82 82 84 85
(1981-2010) 83 83 83 82 80 81 81
### means data not available
Column's Maximum in light red background colour
Column's Minimum in light blue background colour



Date
(yyyy-mm-dd)
Daily Total Rainfall recorded at
Hong Kong Observatory
(mm)
D-3 D-2 D-1 Day(D) D+1 D+2 D+3
1947-05-27 - 7.4 45.3 Trace 21.0 - Trace
1948-05-16 3.4 Trace Trace Trace Trace - -
1949-05-05 0.2 - Trace Trace - - Trace
1950-05-24 4.4 13.3 0.7 0.1 2.4 2.6 0.3
1951-05-13 - - 33.8 180.0 14.4 - 0.3
1952-05-01 Trace 0.3 1.4 0.3 Trace 0.1 -
1953-05-20 5.4 40.0 52.1 5.0 2.9 0.8 54.4
1954-05-10 - - - Trace 1.5 17.5 3.0
1955-05-29 10.5 Trace - - 10.9 27.2 9.0
1956-05-17 0.2 0.5 15.4 9.9 9.2 5.5 3.5
1957-05-07 Trace - - 23.3 - 62.3 -
1958-05-26 89.8 Trace - - - - 15.4
1959-05-15 - Trace - - Trace 21.3 25.5
1960-05-03 0.3 4.8 - - 7.6 0.9 41.5
1961-05-22 90.6 Trace - 9.4 0.5 3.6 4.4
1962-05-11 - - 8.5 Trace - 0.8 -
1963-05-01 Trace - - - - Trace -
1964-05-19 - - 0.5 - - - 5.0
1965-05-08 Trace 0.8 Trace 2.1 1.0 3.5 78.0
1966-05-27 - - - - Trace 15.3 7.2
1967-05-16 Trace Trace 0.2 - - - -
1968-05-04 Trace Trace - 0.2 2.0 Trace -
1969-05-23 10.3 7.0 3.4 1.2 50.2 1.1 65.5
1970-05-12 - 32.6 5.4 89.5 265.1 11.1 4.2
1971-05-02 - 0.1 1.8 Trace Trace 1.0 1.2
1972-05-20 11.2 1.6 13.3 54.4 0.9 0.4 7.2
1973-05-10 Trace 15.0 77.9 11.2 0.7 5.8 59.8
1974-04-29 - Trace 30.2 - 0.3 - 93.4
1975-05-18 32.4 16.2 88.9 17.8 0.7 215.7 -
1976-05-06 5.8 15.1 19.8 - Trace 1.1 5.3
1977-05-25 17.7 Trace 81.0 4.3 8.1 3.9 38.6
1978-05-14 - - 0.1 Trace Trace 3.4 Trace
1979-05-03 - - 13.5 45.7 3.5 Trace Trace
1980-05-21 - Trace Trace Trace 0.4 14.9 Trace
1981-05-11 - 0.1 82.7 96.1 7.4 Trace 0.5
1982-05-01 7.6 28.3 20.4 11.1 9.6 - -
1983-05-20 - - Trace 31.2 56.1 0.9 1.6
1984-05-08 - - - - - Trace -
1985-05-27 - 0.7 Trace 0.4 34.7 3.6 12.2
1986-05-16 Trace 42.1 - - - 3.2 34.7
1987-05-05 - 30.6 0.9 1.9 Trace 68.8 16.5
1988-05-23 Trace 0.9 6.4 10.1 0.6 - 28.8
1989-05-12 - 0.2 Trace - 5.5 2.3 -
1990-05-02 - Trace - - - 0.1 Trace
1991-05-21 Trace Trace - - Trace Trace 0.1
1992-05-10 62.1 324.1 16.0 9.1 - - -
1993-05-28 76.5 16.0 - - - Trace 25.7
1994-05-18 1.6 - 0.2 - - Trace -
1995-05-07 10.3 Trace - 0.4 Trace - -
1996-05-24 Trace Trace - - 15.7 9.4 12.0
1997-05-14 Trace - Trace - - 11.8 17.3
1998-05-03 5.4 Trace 69.2 4.5 2.8 - -
1999-05-22 46.9 Trace 2.9 0.5 Trace Trace 3.7
2000-05-11 - - 50.7 0.6 Trace - -
2001-04-30 - Trace 0.3 - 0.8 Trace 3.2
2002-05-19 18.2 23.0 5.1 34.3 7.2 - 13.9
2003-05-08 141.1 Trace 0.4 Trace Trace Trace Trace
2004-05-26 - Trace Trace Trace - 10.1 0.6
2005-05-15 Trace - Trace 5.5 9.6 6.5 47.2
2006-05-05 70.1 108.2 0.2 1.3 - - -
2007-05-24 29.7 37.3 0.6 - - - 53.0
2008-05-12 - 3.5 Trace - - - -
2009-05-02 - Trace - - Trace 0.3 -
2010-05-21 Trace 55.7 8.1 Trace Trace 10.1 -
2011-05-10 Trace - - Trace - 0.2 33.5
2012-04-28 4.8 Trace 34.5 22.2 21.2 0.5 Trace
2013-05-17 Trace Trace 5.4 13.9 21.0 0.1 26.0
2014-05-06 0.2 7.3 26.6 1.0 3.2 106.3 89.1
2015-05-25 0.7 169.4 8.2 29.4 64.6 0.2 1.4
2016-05-14 - Trace Trace 4.7 1.0 0.3 1.2
2017-05-03 - - - Trace 42.5 - Trace
Maximum 141.1 324.1 88.9 180.0 265.1 215.7 93.4
30-year Normals
(1961-1990) 5.9 6.4 15.2 12.9 14.9 12.0 15.5
(1971-2000) 9.3 16.4 19.2 10.0 4.9 11.5 12.0
(1981-2010) 15.7 22.4 8.8 6.9 5.0 4.2 9.0
### means data not available
Column's Maximum in light red background colour
Column's Minimum in light blue background colour



Date
(yyyy-mm-dd)
Daily Mean Cloud Amount recorded at
Hong Kong Observatory
(%)
D-3 D-2 D-1 Day(D) D+1 D+2 D+3
1947-05-27 ### ### ### ### ### ### ###
1948-05-16 ### ### ### ### ### ### ###
1949-05-05 84 69 90 69 29 72 86
1950-05-24 100 99 97 94 85 75 83
1951-05-13 28 72 97 97 86 78 82
1952-05-01 76 84 86 88 72 71 70
1953-05-20 91 93 90 90 90 83 86
1954-05-10 75 78 77 79 95 86 84
1955-05-29 87 74 70 74 87 91 94
1956-05-17 94 98 94 87 88 87 88
1957-05-07 38 54 65 73 36 78 71
1958-05-26 92 82 33 29 18 68 91
1959-05-15 21 54 60 57 72 92 91
1960-05-03 100 88 79 85 84 88 85
1961-05-22 99 54 77 86 92 97 85
1962-05-11 64 66 91 67 35 48 46
1963-05-01 57 27 35 39 50 79 68
1964-05-19 37 45 53 22 33 22 61
1965-05-08 91 77 85 84 83 82 95
1966-05-27 50 43 11 64 66 55 80
1967-05-16 77 72 88 45 48 56 63
1968-05-04 57 40 52 83 79 80 69
1969-05-23 86 97 84 85 91 73 99
1970-05-12 74 89 88 98 100 100 93
1971-05-02 53 71 84 79 89 86 100
1972-05-20 97 99 88 91 96 100 98
1973-05-10 88 86 97 98 100 93 95
1974-04-29 34 78 93 72 88 76 98
1975-05-18 90 83 88 79 85 94 80
1976-05-06 88 96 66 59 91 92 94
1977-05-25 55 61 89 79 86 92 90
1978-05-14 94 79 81 82 82 95 99
1979-05-03 84 80 96 98 100 98 96
1980-05-21 63 65 48 80 83 94 79
1981-05-11 55 88 100 96 93 94 97
1982-05-01 100 100 97 92 92 16 56
1983-05-20 57 63 78 94 91 73 99
1984-05-08 58 74 47 29 39 78 76
1985-05-27 84 88 84 89 90 91 99
1986-05-16 70 76 57 28 68 96 90
1987-05-05 83 84 96 100 90 91 96
1988-05-23 84 85 88 93 91 94 90
1989-05-12 78 80 73 71 85 93 84
1990-05-02 21 68 47 47 70 92 72
1991-05-21 78 74 55 32 77 69 82
1992-05-10 89 94 94 98 85 42 23
1993-05-28 92 92 64 27 36 78 88
1994-05-18 78 67 74 63 37 79 53
1995-05-07 86 93 67 86 95 90 67
1996-05-24 34 73 80 78 95 96 88
1997-05-14 83 84 77 64 61 77 85
1998-05-03 88 73 90 84 78 67 52
1999-05-22 95 88 88 84 79 82 88
2000-05-11 85 90 95 88 89 78 88
2001-04-30 73 89 83 67 86 88 92
2002-05-19 90 92 85 88 95 89 89
2003-05-08 92 88 86 75 87 64 49
2004-05-26 46 53 80 47 59 78 86
2005-05-15 88 87 85 84 84 83 85
2006-05-05 88 89 87 86 71 56 53
2007-05-24 89 89 86 80 63 80 88
2008-05-12 65 88 88 66 7 18 15
2009-05-02 70 68 34 16 52 80 51
2010-05-21 72 79 73 82 86 81 30
2011-05-10 78 82 63 64 74 75 85
2012-04-28 88 72 88 88 81 77 86
2013-05-17 72 81 83 86 85 88 82
2014-05-06 81 88 84 88 94 98 98
2015-05-25 88 96 88 78 89 86 86
2016-05-14 62 78 88 86 75 69 86
2017-05-03 25 58 83 79 84 59 65
Maximum 100 100 100 100 100 100 100
Minimum 21 27 11 16 7 16 15
30-year Normals
(1961-1990) 71 74 75 74 80 81 85
(1971-2000) 75 81 79 75 81 83 83
(1981-2010) 76 82 78 71 74 76 74
### means data not available
Column's Maximum in light red background colour
Column's Minimum in light blue background colour