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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Genoa Threshold Days by Year

4 fixed thresholds counted per year at Genoa (ASN00084018): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Genoa Thresholds

  • Genoa: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1950 with 45.
  • Genoa: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1952 with 20.
  • Genoa: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1952 with 8.
  • Genoa: days with 100 mm (3.94 in) or more of precipitation in 15 years, most in 1911 with 2.
  • 4 fixed thresholds have at least one qualifying day at Genoa.
52 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Genoa Days per year at Genoa with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1950. 02040601905: 391906: 211907: 191908: 201909: 221910: 321911: 291912: 251913: 371914: 261915: 191916: 331917: 161918: 311919: 331920: 291921: 281925: 221934: 361935: 321936: 271937: 251938: 321939: 271940: 241941: 231942: 221943: 241944: 241945: 241946: 411947: 251948: 381949: 351950: 451951: 391952: 401953: 241954: 271955: 271956: 431957: 271958: 231959: 331960: 281961: 451962: 201967: 291968: 251969: 281970: 431971: 20190519111917193419401946195219581968
Days per year at Genoa with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Genoa
YearDaysDecade average
19053924.2
19062124.2
19071924.2
19082024.2
19092224.2
19103228.1
19112928.1
19122528.1
19133728.1
19142628.1
19151928.1
19163328.1
19171628.1
19183128.1
19193328.1
19202926.3
19212826.3
19252226.3
19343629.8
19353229.8
19362729.8
19372529.8
19383229.8
19392729.8
19402428
19412328
19422228
19432428
19442428
19452428
19464128
19472528
19483828
19493528
19504532.8
19513932.8
19524032.8
19532432.8
19542732.8
19552732.8
19564332.8
19572732.8
19582332.8
19593332.8
19602829.2
19614529.2
19622029.2
19672929.2
19682529.2
19692829.2
19704331.5
19712031.5
First to last qualifying date each year at Genoa For each year, a bar from the first to the last day at Genoa meeting 10 mm (0.39 in). 1905: 3 January 1905 to 31 December 19051906: 2 March 1906 to 24 December 19061907: 27 January 1907 to 28 December 19071908: 23 January 1908 to 21 October 19081909: 6 January 1909 to 2 December 19091910: 14 January 1910 to 21 December 19101911: 13 January 1911 to 22 December 19111912: 6 January 1912 to 2 December 19121913: 3 January 1913 to 24 November 19131914: 27 January 1914 to 31 December 19141915: 1 January 1915 to 15 December 19151916: 29 January 1916 to 5 December 19161917: 3 January 1917 to 5 December 19171918: 12 January 1918 to 26 December 19181919: 26 February 1919 to 28 December 19191920: 1 January 1920 to 27 December 19201921: 2 February 1921 to 27 December 19211925: 3 January 1925 to 19 November 19251934: 6 January 1934 to 16 December 19341935: 4 January 1935 to 27 December 19351936: 4 January 1936 to 21 December 19361937: 20 January 1937 to 29 December 19371938: 3 January 1938 to 22 November 19381939: 17 January 1939 to 6 December 19391940: 7 January 1940 to 23 December 19401941: 2 January 1941 to 8 December 19411942: 27 February 1942 to 1 December 19421943: 18 January 1943 to 23 December 19431944: 10 January 1944 to 13 December 19441945: 11 January 1945 to 21 November 19451946: 17 January 1946 to 9 December 19461947: 10 February 1947 to 21 December 19471948: 6 January 1948 to 31 December 19481949: 1 January 1949 to 20 December 19491950: 19 January 1950 to 30 December 19501951: 8 January 1951 to 28 November 19511952: 8 January 1952 to 30 December 19521953: 15 January 1953 to 31 December 19531954: 29 January 1954 to 15 December 19541955: 2 January 1955 to 31 December 19551956: 3 January 1956 to 16 December 19561957: 16 February 1957 to 31 December 19571958: 1 January 1958 to 11 December 19581959: 7 February 1959 to 27 December 19591960: 1 January 1960 to 3 December 19601961: 2 January 1961 to 22 December 19611962: 8 January 1962 to 8 November 19621967: 16 January 1967 to 29 December 19671968: 7 January 1968 to 29 December 19681969: 15 January 1969 to 2 December 19691970: 1 January 1970 to 31 December 19701971: 3 January 1971 to 15 November 197119051912191919371944195119581969JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Genoa meeting 10 mm (0.39 in).
First to last qualifying date each year at Genoa
YearFirst dateLast date
19051905-01-031905-12-31
19061906-03-021906-12-24
19071907-01-271907-12-28
19081908-01-231908-10-21
19091909-01-061909-12-02
19101910-01-141910-12-21
19111911-01-131911-12-22
19121912-01-061912-12-02
19131913-01-031913-11-24
19141914-01-271914-12-31
19151915-01-011915-12-15
19161916-01-291916-12-05
19171917-01-031917-12-05
19181918-01-121918-12-26
19191919-02-261919-12-28
19201920-01-011920-12-27
19211921-02-021921-12-27
19251925-01-031925-11-19
19341934-01-061934-12-16
19351935-01-041935-12-27
19361936-01-041936-12-21
19371937-01-201937-12-29
19381938-01-031938-11-22
19391939-01-171939-12-06
19401940-01-071940-12-23
19411941-01-021941-12-08
19421942-02-271942-12-01
19431943-01-181943-12-23
19441944-01-101944-12-13
19451945-01-111945-11-21
19461946-01-171946-12-09
19471947-02-101947-12-21
19481948-01-061948-12-31
19491949-01-011949-12-20
19501950-01-191950-12-30
19511951-01-081951-11-28
19521952-01-081952-12-30
19531953-01-151953-12-31
19541954-01-291954-12-15
19551955-01-021955-12-31
19561956-01-031956-12-16
19571957-02-161957-12-31
19581958-01-011958-12-11
19591959-02-071959-12-27
19601960-01-011960-12-03
19611961-01-021961-12-22
19621962-01-081962-11-08
19671967-01-161967-12-29
19681968-01-071968-12-29
19691969-01-151969-12-02
19701970-01-011970-12-31
19711971-01-031971-11-15

Every Fixed Threshold

Fixed thresholds at Genoa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5245195020
25 mm (0.98 in): Days with 25 mm or more rain522019527
50 mm (1.97 in): Days with 50 mm or more rain45819521
100 mm (3.94 in): Days with 100 mm or more rain15219111

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

  • Data for Genoa 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).