Built 2026-10-19 (19 October 2026)

Hamilton Station Threshold Days by Year

4 fixed thresholds counted per year at Hamilton Station (ASN00016083): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hamilton Station Thresholds

  • Hamilton Station: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1979 with 17.
  • Hamilton Station: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1974 with 7.
  • Hamilton Station: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1976 with 3.
  • Hamilton Station: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1976 with 2.
  • 4 fixed thresholds have at least one qualifying day at Hamilton Station.
61 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hamilton Station Days per year at Hamilton Station with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1979. 051015201946: 31947: 51948: 31949: 31950: 121951: 31952: 91953: 51954: 51955: 121956: 31957: 21958: 21959: 11960: 21961: 11962: 31964: 11965: 11966: 71967: 21968: 51969: 51970: 11971: 41972: 51973: 71974: 141975: 141976: 111977: 81978: 81979: 171980: 41981: 101982: 11983: 41984: 81986: 31987: 51990: 21991: 51992: 91993: 51994: 11995: 71996: 31997: 91998: 71999: 62000: 102001: 132002: 22003: 52004: 62005: 42006: 22007: 32008: 42021: 82025: 5194619531960196819751982199219992006
Days per year at Hamilton Station with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1979.
Days with 10 mm (0.39 in) or more of precipitation per year at Hamilton Station
YearDaysDecade average
194633.5
194753.5
194833.5
194933.5
1950125.4
195135.4
195295.4
195355.4
195455.4
1955125.4
195635.4
195725.4
195825.4
195915.4
196023
196113
196233
196413
196513
196673
196723
196853
196953
197018.9
197148.9
197258.9
197378.9
1974148.9
1975148.9
1976118.9
197788.9
197888.9
1979178.9
198045
1981105
198215
198345
198485
198635
198755
199025.4
199155.4
199295.4
199355.4
199415.4
199575.4
199635.4
199795.4
199875.4
199965.4
2000105.4
2001135.4
200225.4
200355.4
200465.4
200545.4
200625.4
200735.4
200845.4
202186.5
202556.5
First to last qualifying date each year at Hamilton Station For each year, a bar from the first to the last day at Hamilton Station meeting 10 mm (0.39 in). 1946: 15 February 1946 to 24 December 19461947: 16 August 1947 to 31 December 19471948: 1 January 1948 to 24 December 19481949: 20 February 1949 to 7 September 19491950: 2 February 1950 to 30 December 19501951: 3 January 1951 to 23 September 19511952: 25 January 1952 to 6 November 19521953: 5 February 1953 to 31 December 19531954: 30 April 1954 to 11 December 19541955: 5 February 1955 to 20 July 19551956: 23 May 1956 to 15 July 19561957: 28 December 1957 to 29 December 19571958: 26 January 1958 to 31 July 19581959: 17 May 1959 to 17 May 19591960: 29 January 1960 to 30 April 19601961: 18 April 1961 to 18 April 19611962: 10 January 1962 to 12 July 19621964: 9 September 1964 to 9 September 19641965: 14 August 1965 to 14 August 19651966: 7 June 1966 to 1 December 19661967: 23 February 1967 to 7 March 19671968: 19 January 1968 to 22 November 19681969: 8 February 1969 to 27 October 19691970: 14 May 1970 to 14 May 19701971: 11 March 1971 to 24 November 19711972: 3 March 1972 to 28 September 19721973: 31 January 1973 to 1 November 19731974: 18 January 1974 to 16 October 19741975: 11 February 1975 to 17 December 19751976: 5 January 1976 to 21 October 19761977: 9 January 1977 to 1 December 19771978: 17 May 1978 to 10 November 19781979: 16 January 1979 to 21 November 19791980: 1 January 1980 to 23 April 19801981: 27 January 1981 to 13 December 19811982: 28 March 1982 to 28 March 19821983: 12 January 1983 to 6 December 19831984: 10 January 1984 to 21 July 19841986: 20 June 1986 to 16 December 19861987: 28 February 1987 to 27 December 19871990: 8 January 1990 to 20 May 19901991: 20 January 1991 to 2 November 19911992: 28 February 1992 to 17 November 19921993: 10 May 1993 to 6 December 19931994: 5 June 1994 to 5 June 19941995: 17 January 1995 to 22 December 19951996: 26 July 1996 to 4 December 19961997: 21 January 1997 to 1 September 19971998: 6 February 1998 to 22 September 19981999: 8 January 1999 to 17 December 19992000: 10 February 2000 to 20 November 20002001: 30 January 2001 to 28 December 20012002: 21 February 2002 to 22 February 20022003: 30 January 2003 to 28 December 20032004: 1 February 2004 to 29 September 20042005: 11 June 2005 to 19 October 20052006: 15 January 2006 to 14 July 20062007: 12 May 2007 to 3 November 20072008: 1 November 2008 to 12 December 20082021: 12 February 2021 to 24 November 20212025: 23 March 2025 to 21 December 202519461954196219711979199019982006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hamilton Station meeting 10 mm (0.39 in).
First to last qualifying date each year at Hamilton Station
YearFirst dateLast date
19461946-02-151946-12-24
19471947-08-161947-12-31
19481948-01-011948-12-24
19491949-02-201949-09-07
19501950-02-021950-12-30
19511951-01-031951-09-23
19521952-01-251952-11-06
19531953-02-051953-12-31
19541954-04-301954-12-11
19551955-02-051955-07-20
19561956-05-231956-07-15
19571957-12-281957-12-29
19581958-01-261958-07-31
19591959-05-171959-05-17
19601960-01-291960-04-30
19611961-04-181961-04-18
19621962-01-101962-07-12
19641964-09-091964-09-09
19651965-08-141965-08-14
19661966-06-071966-12-01
19671967-02-231967-03-07
19681968-01-191968-11-22
19691969-02-081969-10-27
19701970-05-141970-05-14
19711971-03-111971-11-24
19721972-03-031972-09-28
19731973-01-311973-11-01
19741974-01-181974-10-16
19751975-02-111975-12-17
19761976-01-051976-10-21
19771977-01-091977-12-01
19781978-05-171978-11-10
19791979-01-161979-11-21
19801980-01-011980-04-23
19811981-01-271981-12-13
19821982-03-281982-03-28
19831983-01-121983-12-06
19841984-01-101984-07-21
19861986-06-201986-12-16
19871987-02-281987-12-27
19901990-01-081990-05-20
19911991-01-201991-11-02
19921992-02-281992-11-17
19931993-05-101993-12-06
19941994-06-051994-06-05
19951995-01-171995-12-22
19961996-07-261996-12-04
19971997-01-211997-09-01
19981998-02-061998-09-22
19991999-01-081999-12-17
20002000-02-102000-11-20
20012001-01-302001-12-28
20022002-02-212002-02-22
20032003-01-302003-12-28
20042004-02-012004-09-29
20052005-06-112005-10-19
20062006-01-152006-07-14
20072007-05-122007-11-03
20082008-11-012008-12-12
20212021-02-122021-11-24
20252025-03-232025-12-21

Every Fixed Threshold

Fixed thresholds at Hamilton Station
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain611719795
25 mm (0.98 in): Days with 25 mm or more rain40719741
50 mm (1.97 in): Days with 50 mm or more rain18319761
100 mm (3.94 in): Days with 100 mm or more rain5219761

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

  • Data for Hamilton Station 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 (2025-12-31).