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Built 2026-10-19 (19 October 2026)

Frankfort C/K Threshold Days by Year (SF000798230)

4 fixed thresholds counted per year at Frankfort C/K (SF000798230): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Frankfort C/K Thresholds

  • Frankfort C/K: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1963 with 44.
  • Frankfort C/K: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1921 with 13.
  • Frankfort C/K: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1959 with 5.
  • Frankfort C/K: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1943 with 1.
  • 4 fixed thresholds have at least one qualifying day at Frankfort C/K.
55 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Frankfort C/K Days per year at Frankfort C/K with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1963. 02040601917: 381918: 261919: 151920: 171921: 321922: 171923: 271924: 151925: 241926: 151927: 111929: 221930: 161932: 171933: 171935: 181936: 221937: 201938: 241939: 271940: 211941: 101942: 241943: 261944: 171945: 111946: 181947: 211948: 191949: 61950: 251951: 131952: 211954: 161955: 201956: 251957: 281958: 361959: 271960: 281961: 291962: 251963: 441964: 291965: 191966: 191967: 251968: 71969: 201970: 241971: 291972: 251973: 241974: 331975: 111917192319301938194419501957196319691975
Days per year at Frankfort C/K with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Frankfort C/K
YearDaysDecade average
19173826.3
19182626.3
19191526.3
19201720
19213220
19221720
19232720
19241520
19252420
19261520
19271120
19292220
19301620.1
19321720.1
19331720.1
19351820.1
19362220.1
19372020.1
19382420.1
19392720.1
19402117.3
19411017.3
19422417.3
19432617.3
19441717.3
19451117.3
19461817.3
19472117.3
19481917.3
1949617.3
19502523.4
19511323.4
19522123.4
19541623.4
19552023.4
19562523.4
19572823.4
19583623.4
19592723.4
19602824.5
19612924.5
19622524.5
19634424.5
19642924.5
19651924.5
19661924.5
19672524.5
1968724.5
19692024.5
19702424.3
19712924.3
19722524.3
19732424.3
19743324.3
19751124.3
First to last qualifying date each year at Frankfort C/K For each year, a bar from the first to the last day at Frankfort C/K meeting 10 mm (0.39 in). 1917: 6 January 1917 to 30 December 19171918: 1 January 1918 to 18 December 19181919: 17 January 1919 to 16 November 19191920: 13 January 1920 to 29 December 19201921: 4 January 1921 to 26 December 19211922: 8 January 1922 to 19 December 19221923: 10 January 1923 to 29 December 19231924: 10 January 1924 to 25 December 19241925: 2 January 1925 to 28 December 19251926: 18 January 1926 to 27 December 19261927: 26 January 1927 to 26 December 19271929: 18 January 1929 to 30 December 19291930: 4 January 1930 to 16 November 19301932: 1 January 1932 to 20 December 19321933: 2 January 1933 to 29 December 19331935: 3 January 1935 to 9 November 19351936: 17 January 1936 to 28 November 19361937: 22 January 1937 to 21 December 19371938: 21 January 1938 to 31 December 19381939: 1 January 1939 to 25 December 19391940: 8 January 1940 to 21 December 19401941: 20 January 1941 to 21 December 19411942: 27 January 1942 to 21 December 19421943: 20 January 1943 to 31 December 19431944: 14 January 1944 to 20 December 19441945: 16 January 1945 to 30 December 19451946: 9 January 1946 to 19 December 19461947: 8 January 1947 to 23 December 19471948: 11 January 1948 to 19 December 19481949: 21 March 1949 to 11 December 19491950: 4 January 1950 to 30 December 19501951: 2 January 1951 to 11 November 19511952: 15 January 1952 to 16 December 19521954: 29 January 1954 to 3 December 19541955: 4 January 1955 to 27 December 19551956: 13 January 1956 to 21 December 19561957: 7 January 1957 to 30 December 19571958: 3 January 1958 to 31 December 19581959: 1 January 1959 to 21 December 19591960: 4 January 1960 to 29 December 19601961: 13 January 1961 to 25 December 19611962: 3 January 1962 to 27 December 19621963: 3 January 1963 to 13 December 19631964: 1 January 1964 to 27 December 19641965: 5 January 1965 to 16 December 19651966: 8 January 1966 to 14 December 19661967: 13 January 1967 to 23 December 19671968: 8 April 1968 to 8 December 19681969: 8 January 1969 to 21 November 19691970: 1 February 1970 to 23 December 19701971: 10 January 1971 to 11 December 19711972: 9 January 1972 to 29 December 19721973: 5 January 1973 to 22 December 19731974: 15 January 1974 to 17 December 19741975: 22 January 1975 to 8 June 197519171924193319411948195619631970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Frankfort C/K meeting 10 mm (0.39 in).
First to last qualifying date each year at Frankfort C/K
YearFirst dateLast date
19171917-01-061917-12-30
19181918-01-011918-12-18
19191919-01-171919-11-16
19201920-01-131920-12-29
19211921-01-041921-12-26
19221922-01-081922-12-19
19231923-01-101923-12-29
19241924-01-101924-12-25
19251925-01-021925-12-28
19261926-01-181926-12-27
19271927-01-261927-12-26
19291929-01-181929-12-30
19301930-01-041930-11-16
19321932-01-011932-12-20
19331933-01-021933-12-29
19351935-01-031935-11-09
19361936-01-171936-11-28
19371937-01-221937-12-21
19381938-01-211938-12-31
19391939-01-011939-12-25
19401940-01-081940-12-21
19411941-01-201941-12-21
19421942-01-271942-12-21
19431943-01-201943-12-31
19441944-01-141944-12-20
19451945-01-161945-12-30
19461946-01-091946-12-19
19471947-01-081947-12-23
19481948-01-111948-12-19
19491949-03-211949-12-11
19501950-01-041950-12-30
19511951-01-021951-11-11
19521952-01-151952-12-16
19541954-01-291954-12-03
19551955-01-041955-12-27
19561956-01-131956-12-21
19571957-01-071957-12-30
19581958-01-031958-12-31
19591959-01-011959-12-21
19601960-01-041960-12-29
19611961-01-131961-12-25
19621962-01-031962-12-27
19631963-01-031963-12-13
19641964-01-011964-12-27
19651965-01-051965-12-16
19661966-01-081966-12-14
19671967-01-131967-12-23
19681968-04-081968-12-08
19691969-01-081969-11-21
19701970-02-011970-12-23
19711971-01-101971-12-11
19721972-01-091972-12-29
19731973-01-051973-12-22
19741974-01-151974-12-17
19751975-01-221975-06-08

Every Fixed Threshold

Fixed thresholds at Frankfort C/K
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5544196311
25 mm (0.98 in): Days with 25 mm or more rain551319214
50 mm (1.97 in): Days with 50 mm or more rain42519591
100 mm (3.94 in): Days with 100 mm or more rain4119431

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

  • Data for Frankfort C/K 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).