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Built 2026-10-15 (15 October 2026)

McCook Threshold Days by Year

16 fixed thresholds counted per year at McCook (USC00415721): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for McCook Thresholds

  • McCook: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1965 with 28.
  • McCook: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1967 with 13.
  • McCook: days with a maximum temperature at or above 30 C (86 F) in 64 years, most in 1950 with 263.
  • McCook: days with a maximum temperature at or above 35 C (95 F) in 64 years, most in 1950 with 152.
  • 16 fixed thresholds have at least one qualifying day at McCook.
64 years with a qualifying day
Days at or above 30 C (86 F) per year at McCook Days per year at McCook with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 263 in 1950. 01002003001942: 2141943: 1961944: 2161945: 2381946: 2361947: 2291948: 2221949: 2261950: 2631951: 2251952: 2141953: 2131954: 2121955: 2201956: 2381957: 2211958: 1741959: 2081960: 1951961: 2081964: 2181965: 1961966: 1841967: 1841968: 1821969: 2131970: 1811971: 2121972: 2121973: 1751974: 2081975: 1981976: 1591977: 1961978: 1951979: 1891980: 1961981: 1821982: 1861984: 1821985: 1961988: 2101989: 2181990: 2031991: 2031992: 1851993: 1941994: 2141995: 2091996: 2221997: 1971999: 2082000: 2322001: 2002002: 1972003: 1742004: 1722007: 1972021: 1942022: 2192023: 1912024: 2352025: 2502026: 2041942194919561965197219791989199620042026
Days per year at McCook with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 263 in 1950.
Days at or above 30 C (86 F) per year at McCook
YearDaysDecade average
1942214222.1
1943196222.1
1944216222.1
1945238222.1
1946236222.1
1947229222.1
1948222222.1
1949226222.1
1950263218.8
1951225218.8
1952214218.8
1953213218.8
1954212218.8
1955220218.8
1956238218.8
1957221218.8
1958174218.8
1959208218.8
1960195197.5
1961208197.5
1964218197.5
1965196197.5
1966184197.5
1967184197.5
1968182197.5
1969213197.5
1970181192.5
1971212192.5
1972212192.5
1973175192.5
1974208192.5
1975198192.5
1976159192.5
1977196192.5
1978195192.5
1979189192.5
1980196195.7
1981182195.7
1982186195.7
1984182195.7
1985196195.7
1988210195.7
1989218195.7
1990203203.9
1991203203.9
1992185203.9
1993194203.9
1994214203.9
1995209203.9
1996222203.9
1997197203.9
1999208203.9
2000232195.3
2001200195.3
2002197195.3
2003174195.3
2004172195.3
2007197195.3
2021194215.5
2022219215.5
2023191215.5
2024235215.5
2025250215.5
2026204215.5
First to last qualifying date each year at McCook For each year, a bar from the first to the last day at McCook meeting 30 C (86 F). 1942: 7 March 1942 to 26 December 19421943: 16 January 1943 to 6 November 19431944: 25 January 1944 to 14 November 19441945: 13 February 1945 to 30 December 19451946: 5 January 1946 to 28 December 19461947: 14 January 1947 to 31 December 19471948: 9 January 1948 to 28 December 19481949: 9 January 1949 to 21 December 19491950: 3 January 1950 to 26 December 19501951: 12 January 1951 to 31 December 19511952: 1 January 1952 to 17 November 19521953: 7 January 1953 to 5 December 19531954: 20 January 1954 to 27 December 19541955: 4 February 1955 to 14 November 19551956: 15 January 1956 to 8 December 19561957: 6 January 1957 to 17 December 19571958: 26 February 1958 to 4 December 19581959: 9 February 1959 to 26 November 19591960: 12 January 1960 to 27 November 19601961: 17 February 1961 to 9 December 19611964: 4 March 1964 to 27 December 19641965: 26 January 1965 to 27 November 19651966: 3 March 1966 to 23 December 19661967: 16 February 1967 to 26 November 19671968: 20 March 1968 to 28 December 19681969: 22 January 1969 to 18 November 19691970: 29 January 1970 to 23 December 19701971: 4 January 1971 to 15 December 19711972: 14 January 1972 to 6 December 19721973: 7 March 1973 to 31 December 19731974: 9 January 1974 to 25 December 19741975: 10 January 1975 to 25 December 19751976: 14 January 1976 to 12 November 19761977: 24 February 1977 to 17 December 19771978: 26 February 1978 to 21 December 19781979: 16 February 1979 to 28 November 19791980: 20 February 1980 to 10 November 19801981: 11 February 1981 to 23 December 19811982: 4 January 1982 to 25 December 19821984: 12 February 1984 to 22 December 19841985: 1 January 1985 to 1 December 19851988: 28 February 1988 to 28 December 19881989: 4 January 1989 to 28 November 19891990: 19 January 1990 to 22 December 19901991: 14 February 1991 to 1 December 19911992: 16 February 1992 to 20 December 19921993: 16 February 1993 to 10 December 19931994: 9 February 1994 to 10 December 19941995: 11 January 1995 to 18 December 19951996: 24 January 1996 to 12 December 19961997: 4 January 1997 to 28 November 19971999: 18 January 1999 to 4 December 19992000: 3 January 2000 to 24 November 20002001: 16 February 2001 to 27 November 20012002: 19 January 2002 to 19 December 20022003: 22 January 2003 to 13 November 20032004: 4 March 2004 to 10 December 20042007: 21 February 2007 to 22 December 20072021: 31 January 2021 to 11 December 20212022: 2 January 2022 to 14 December 20222023: 3 January 2023 to 10 November 20232024: 9 January 2024 to 31 December 20242025: 6 January 2025 to 29 December 20252026: 3 January 2026 to 12 October 202619421950195819681976198519952004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at McCook meeting 30 C (86 F).
First to last qualifying date each year at McCook
YearFirst dateLast date
19421942-03-071942-12-26
19431943-01-161943-11-06
19441944-01-251944-11-14
19451945-02-131945-12-30
19461946-01-051946-12-28
19471947-01-141947-12-31
19481948-01-091948-12-28
19491949-01-091949-12-21
19501950-01-031950-12-26
19511951-01-121951-12-31
19521952-01-011952-11-17
19531953-01-071953-12-05
19541954-01-201954-12-27
19551955-02-041955-11-14
19561956-01-151956-12-08
19571957-01-061957-12-17
19581958-02-261958-12-04
19591959-02-091959-11-26
19601960-01-121960-11-27
19611961-02-171961-12-09
19641964-03-041964-12-27
19651965-01-261965-11-27
19661966-03-031966-12-23
19671967-02-161967-11-26
19681968-03-201968-12-28
19691969-01-221969-11-18
19701970-01-291970-12-23
19711971-01-041971-12-15
19721972-01-141972-12-06
19731973-03-071973-12-31
19741974-01-091974-12-25
19751975-01-101975-12-25
19761976-01-141976-11-12
19771977-02-241977-12-17
19781978-02-261978-12-21
19791979-02-161979-11-28
19801980-02-201980-11-10
19811981-02-111981-12-23
19821982-01-041982-12-25
19841984-02-121984-12-22
19851985-01-011985-12-01
19881988-02-281988-12-28
19891989-01-041989-11-28
19901990-01-191990-12-22
19911991-02-141991-12-01
19921992-02-161992-12-20
19931993-02-161993-12-10
19941994-02-091994-12-10
19951995-01-111995-12-18
19961996-01-241996-12-12
19971997-01-041997-11-28
19991999-01-181999-12-04
20002000-01-032000-11-24
20012001-02-162001-11-27
20022002-01-192002-12-19
20032003-01-222003-11-13
20042004-03-042004-12-10
20072007-02-212007-12-22
20212021-01-312021-12-11
20222022-01-022022-12-14
20232023-01-032023-11-10
20242024-01-092024-12-31
20252025-01-062025-12-29
20262026-01-032026-10-12

Every Fixed Threshold

Fixed thresholds at McCook
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days642631950204
35 C (95 F): Days641521950107
40 C (104 F): Days4430202314
90 F (32.2 C): Days642221950174
100 F (37.8 C): Days6482195363
110 F (43.3 C): Days1120001
0 C (32 F): Ice days (max2219892
0 C (32 F): Frost days (min561619893
-10 C (14 F): Days with min1119891
20 C (68 F): Tropical nights (min602002025176
25 C (77 F): Days with min5938202567
10 mm (0.39 in): Days with 10 mm or more rain7028196512
25 mm (0.98 in): Days with 25 mm or more rain701319675
50 mm (1.97 in): Days with 50 mm or more rain57719671
100 mm (3.94 in): Days with 100 mm or more rain21219581
200 mm (7.87 in): Days with 200 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for McCook 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).