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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Hamilton City Threshold Days by Year (USC00043729)

3 fixed thresholds counted per year at Hamilton City (USC00043729): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hamilton City Thresholds

  • Hamilton City: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1941 with 37.
  • Hamilton City: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1940 with 13.
  • Hamilton City: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1937 with 3.
  • 3 fixed thresholds have at least one qualifying day at Hamilton City.
23 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hamilton City Days per year at Hamilton City with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1941. 0102030401929: 91930: 141931: 201932: 101936: 151937: 231938: 241939: 61940: 301941: 371942: 211943: 131944: 181945: 201946: 71947: 141948: 161949: 131950: 191951: 201952: 251953: 61954: 2419291932193819411944194719501953
Days per year at Hamilton City with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1941.
Days with 10 mm (0.39 in) or more of precipitation per year at Hamilton City
YearDaysDecade average
192999
19301416
19312016
19321016
19361516
19372316
19382416
1939616
19403018.9
19413718.9
19422118.9
19431318.9
19441818.9
19452018.9
1946718.9
19471418.9
19481618.9
19491318.9
19501918.8
19512018.8
19522518.8
1953618.8
19542418.8
First to last qualifying date each year at Hamilton City For each year, a bar from the first to the last day at Hamilton City meeting 10 mm (0.39 in). 1929: 2 February 1929 to 16 December 19291930: 5 January 1930 to 16 November 19301931: 1 January 1931 to 31 December 19311932: 16 January 1932 to 23 December 19321936: 2 January 1936 to 27 December 19361937: 11 January 1937 to 10 December 19371938: 2 January 1938 to 29 November 19381939: 5 January 1939 to 31 December 19391940: 1 January 1940 to 27 December 19401941: 4 January 1941 to 29 December 19411942: 7 January 1942 to 28 December 19421943: 20 January 1943 to 30 December 19431944: 3 January 1944 to 28 December 19441945: 31 January 1945 to 28 December 19451946: 21 February 1946 to 6 December 19461947: 28 January 1947 to 20 December 19471948: 8 January 1948 to 27 December 19481949: 7 February 1949 to 15 December 19491950: 8 January 1950 to 14 December 19501951: 10 January 1951 to 27 December 19511952: 6 January 1952 to 30 December 19521953: 6 January 1953 to 14 November 19531954: 16 January 1954 to 10 December 195419291932193819411944194719501953JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hamilton City meeting 10 mm (0.39 in).
First to last qualifying date each year at Hamilton City
YearFirst dateLast date
19291929-02-021929-12-16
19301930-01-051930-11-16
19311931-01-011931-12-31
19321932-01-161932-12-23
19361936-01-021936-12-27
19371937-01-111937-12-10
19381938-01-021938-11-29
19391939-01-051939-12-31
19401940-01-011940-12-27
19411941-01-041941-12-29
19421942-01-071942-12-28
19431943-01-201943-12-30
19441944-01-031944-12-28
19451945-01-311945-12-28
19461946-02-211946-12-06
19471947-01-281947-12-20
19481948-01-081948-12-27
19491949-02-071949-12-15
19501950-01-081950-12-14
19511951-01-101951-12-27
19521952-01-061952-12-30
19531953-01-061953-11-14
19541954-01-161954-12-10

Every Fixed Threshold

Fixed thresholds at Hamilton City
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2337194124
25 mm (0.98 in): Days with 25 mm or more rain221319405
50 mm (1.97 in): Days with 50 mm or more rain4319371

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1929.

Download the Data

  • Data for Hamilton City 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).