Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Happy Valley Threshold Days by Year (ASN00010061)

4 fixed thresholds counted per year at Happy Valley (ASN00010061): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Happy Valley Thresholds

  • Happy Valley: days with 10 mm (0.39 in) or more of precipitation in 90 years, most in 1963 with 18.
  • Happy Valley: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1999 with 5.
  • Happy Valley: days with 50 mm (1.97 in) or more of precipitation in 11 years, most in 1971 with 2.
  • Happy Valley: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1939 with 1.
  • 4 fixed thresholds have at least one qualifying day at Happy Valley.
90 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Happy Valley Days per year at Happy Valley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1963. 051015201937: 81938: 41939: 141940: 51941: 161942: 101943: 111944: 101945: 101946: 131947: 111948: 81949: 61950: 71951: 111952: 61953: 81954: 51955: 81956: 111957: 51958: 141959: 81960: 71961: 91962: 51963: 181964: 71965: 101966: 81967: 71968: 111969: 41970: 101971: 51972: 51973: 81974: 101975: 121976: 81977: 51978: 101979: 81980: 61981: 111982: 121983: 141984: 111985: 61986: 91987: 101988: 91989: 91990: 81991: 91992: 101993: 111994: 71995: 131996: 81997: 91998: 81999: 172000: 92001: 102002: 32003: 132004: 72005: 72006: 122007: 92008: 82009: 92010: 72011: 142012: 82013: 82014: 72015: 92016: 112017: 102018: 92019: 72020: 82021: 122022: 92023: 52024: 62025: 82026: 81937194619551964197319821991200020092018
Days per year at Happy Valley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Happy Valley
YearDaysDecade average
193788.7
193848.7
1939148.7
1940510
19411610
19421010
19431110
19441010
19451010
19461310
19471110
1948810
1949610
195078.3
1951118.3
195268.3
195388.3
195458.3
195588.3
1956118.3
195758.3
1958148.3
195988.3
196078.6
196198.6
196258.6
1963188.6
196478.6
1965108.6
196688.6
196778.6
1968118.6
196948.6
1970108.1
197158.1
197258.1
197388.1
1974108.1
1975128.1
197688.1
197758.1
1978108.1
197988.1
198069.7
1981119.7
1982129.7
1983149.7
1984119.7
198569.7
198699.7
1987109.7
198899.7
198999.7
1990810
1991910
19921010
19931110
1994710
19951310
1996810
1997910
1998810
19991710
200098.7
2001108.7
200238.7
2003138.7
200478.7
200578.7
2006128.7
200798.7
200888.7
200998.7
201079
2011149
201289
201389
201479
201599
2016119
2017109
201899
201979
202088
2021128
202298
202358
202468
202588
202688
First to last qualifying date each year at Happy Valley For each year, a bar from the first to the last day at Happy Valley meeting 10 mm (0.39 in). 1937: 19 April 1937 to 24 November 19371938: 15 March 1938 to 21 July 19381939: 14 February 1939 to 10 November 19391940: 26 June 1940 to 3 December 19401941: 13 April 1941 to 13 December 19411942: 18 March 1942 to 21 December 19421943: 31 January 1943 to 14 September 19431944: 18 May 1944 to 27 August 19441945: 26 March 1945 to 22 August 19451946: 20 April 1946 to 12 August 19461947: 6 March 1947 to 30 November 19471948: 20 March 1948 to 28 August 19481949: 4 June 1949 to 1 September 19491950: 8 May 1950 to 29 September 19501951: 14 January 1951 to 27 September 19511952: 27 May 1952 to 18 December 19521953: 2 February 1953 to 7 August 19531954: 23 May 1954 to 29 September 19541955: 12 January 1955 to 28 September 19551956: 7 May 1956 to 29 November 19561957: 2 June 1957 to 23 August 19571958: 3 March 1958 to 22 September 19581959: 1 March 1959 to 13 September 19591960: 1 January 1960 to 12 September 19601961: 26 January 1961 to 31 August 19611962: 16 February 1962 to 10 July 19621963: 27 January 1963 to 26 August 19631964: 24 February 1964 to 22 July 19641965: 5 May 1965 to 27 November 19651966: 4 April 1966 to 23 October 19661967: 23 January 1967 to 9 August 19671968: 27 January 1968 to 10 September 19681969: 24 April 1969 to 27 July 19691970: 16 February 1970 to 29 December 19701971: 13 March 1971 to 5 October 19711972: 31 May 1972 to 17 August 19721973: 10 June 1973 to 15 October 19731974: 3 April 1974 to 13 November 19741975: 1 April 1975 to 15 October 19751976: 28 February 1976 to 15 August 19761977: 29 April 1977 to 28 December 19771978: 2 January 1978 to 19 December 19781979: 16 February 1979 to 27 December 19791980: 21 April 1980 to 22 October 19801981: 17 February 1981 to 8 December 19811982: 3 January 1982 to 15 September 19821983: 1 April 1983 to 30 December 19831984: 4 March 1984 to 14 September 19841985: 5 May 1985 to 18 September 19851986: 21 February 1986 to 9 November 19861987: 9 May 1987 to 24 December 19871988: 24 March 1988 to 1 December 19881989: 12 January 1989 to 14 November 19891990: 28 January 1990 to 6 October 19901991: 17 January 1991 to 25 December 19911992: 26 January 1992 to 3 October 19921993: 20 March 1993 to 14 November 19931994: 25 February 1994 to 11 September 19941995: 24 February 1995 to 18 October 19951996: 20 April 1996 to 6 November 19961997: 20 February 1997 to 9 October 19971998: 16 April 1998 to 22 September 19981999: 19 March 1999 to 30 December 19992000: 7 January 2000 to 11 July 20002001: 8 January 2001 to 19 November 20012002: 16 April 2002 to 27 December 20022003: 17 February 2003 to 17 November 20032004: 22 May 2004 to 6 September 20042005: 1 May 2005 to 18 August 20052006: 3 January 2006 to 20 December 20062007: 4 January 2007 to 17 December 20072008: 8 February 2008 to 29 October 20082009: 29 January 2009 to 19 November 20092010: 23 March 2010 to 21 December 20102011: 6 January 2011 to 7 December 20112012: 3 February 2012 to 14 December 20122013: 14 January 2013 to 7 September 20132014: 27 April 2014 to 19 October 20142015: 2 March 2015 to 7 November 20152016: 26 March 2016 to 13 December 20162017: 29 January 2017 to 14 October 20172018: 16 January 2018 to 4 December 20182019: 7 June 2019 to 30 August 20192020: 26 February 2020 to 10 August 20202021: 7 February 2021 to 9 November 20212022: 29 March 2022 to 16 August 20222023: 1 April 2023 to 13 November 20232024: 25 February 2024 to 24 August 20242025: 14 March 2025 to 15 December 20252026: 10 February 2026 to 27 August 202619371949196119731985199720092021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Happy Valley meeting 10 mm (0.39 in).
First to last qualifying date each year at Happy Valley
YearFirst dateLast date
19371937-04-191937-11-24
19381938-03-151938-07-21
19391939-02-141939-11-10
19401940-06-261940-12-03
19411941-04-131941-12-13
19421942-03-181942-12-21
19431943-01-311943-09-14
19441944-05-181944-08-27
19451945-03-261945-08-22
19461946-04-201946-08-12
19471947-03-061947-11-30
19481948-03-201948-08-28
19491949-06-041949-09-01
19501950-05-081950-09-29
19511951-01-141951-09-27
19521952-05-271952-12-18
19531953-02-021953-08-07
19541954-05-231954-09-29
19551955-01-121955-09-28
19561956-05-071956-11-29
19571957-06-021957-08-23
19581958-03-031958-09-22
19591959-03-011959-09-13
19601960-01-011960-09-12
19611961-01-261961-08-31
19621962-02-161962-07-10
19631963-01-271963-08-26
19641964-02-241964-07-22
19651965-05-051965-11-27
19661966-04-041966-10-23
19671967-01-231967-08-09
19681968-01-271968-09-10
19691969-04-241969-07-27
19701970-02-161970-12-29
19711971-03-131971-10-05
19721972-05-311972-08-17
19731973-06-101973-10-15
19741974-04-031974-11-13
19751975-04-011975-10-15
19761976-02-281976-08-15
19771977-04-291977-12-28
19781978-01-021978-12-19
19791979-02-161979-12-27
19801980-04-211980-10-22
19811981-02-171981-12-08
19821982-01-031982-09-15
19831983-04-011983-12-30
19841984-03-041984-09-14
19851985-05-051985-09-18
19861986-02-211986-11-09
19871987-05-091987-12-24
19881988-03-241988-12-01
19891989-01-121989-11-14
19901990-01-281990-10-06
19911991-01-171991-12-25
19921992-01-261992-10-03
19931993-03-201993-11-14
19941994-02-251994-09-11
19951995-02-241995-10-18
19961996-04-201996-11-06
19971997-02-201997-10-09
19981998-04-161998-09-22
19991999-03-191999-12-30
20002000-01-072000-07-11
20012001-01-082001-11-19
20022002-04-162002-12-27
20032003-02-172003-11-17
20042004-05-222004-09-06
20052005-05-012005-08-18
20062006-01-032006-12-20
20072007-01-042007-12-17
20082008-02-082008-10-29
20092009-01-292009-11-19
20102010-03-232010-12-21
20112011-01-062011-12-07
20122012-02-032012-12-14
20132013-01-142013-09-07
20142014-04-272014-10-19
20152015-03-022015-11-07
20162016-03-262016-12-13
20172017-01-292017-10-14
20182018-01-162018-12-04
20192019-06-072019-08-30
20202020-02-262020-08-10
20212021-02-072021-11-09
20222022-03-292022-08-16
20232023-04-012023-11-13
20242024-02-252024-08-24
20252025-03-142025-12-15
20262026-02-102026-08-27

Every Fixed Threshold

Fixed thresholds at Happy Valley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain901819638
25 mm (0.98 in): Days with 25 mm or more rain64519991
50 mm (1.97 in): Days with 50 mm or more rain11219711
100 mm (3.94 in): Days with 100 mm or more rain1119391

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

  • Data for Happy Valley threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).