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Built 2026-10-19 (19 October 2026)

Carefree Threshold Days by Year (USC00021282)

13 fixed thresholds counted per year at Carefree (USC00021282): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Carefree Thresholds

  • Carefree: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1993 with 21.
  • Carefree: nights with a minimum temperature at or below 0 C (32 F) in 42 years, most in 1964 with 30.
  • Carefree: nights with a minimum temperature at or above 20 C (68 F) in 42 years, most in 1987 with 126.
  • Carefree: nights with a minimum temperature at or above 25 C (77 F) in 42 years, most in 1994 with 62.
  • 13 fixed thresholds have at least one qualifying day at Carefree.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Carefree Days per year at Carefree with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 183 in 1989. 0501001502001963: 1671964: 1601965: 1581966: 1671967: 1641969: 1571970: 1411971: 1551972: 1641973: 1601983: 1321987: 1761988: 1771989: 1831990: 1621991: 1661992: 1741993: 1591994: 1591995: 1522006: 1622007: 1812008: 1642009: 1692016: 1772018: 1642019: 1522020: 1792022: 1792023: 1672025: 1702026: 17519631967197219881992200620162022
Days per year at Carefree with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 183 in 1989.
Days at or above 30 C (86 F) per year at Carefree
YearDaysDecade average
1963167162.2
1964160162.2
1965158162.2
1966167162.2
1967164162.2
1969157162.2
1970141155
1971155155
1972164155
1973160155
1983132167
1987176167
1988177167
1989183167
1990162162
1991166162
1992174162
1993159162
1994159162
1995152162
2006162169
2007181169
2008164169
2009169169
2016177164.3
2018164164.3
2019152164.3
2020179174
2022179174
2023167174
2025170174
2026175174
First to last qualifying date each year at Carefree For each year, a bar from the first to the last day at Carefree meeting 30 C (86 F). 1963: 5 February 1963 to 28 October 19631964: 30 March 1964 to 29 October 19641965: 20 April 1965 to 1 November 19651966: 31 March 1966 to 1 November 19661967: 22 March 1967 to 14 November 19671969: 30 March 1969 to 28 October 19691970: 3 May 1970 to 13 October 19701971: 16 March 1971 to 15 October 19711972: 5 March 1972 to 16 October 19721973: 26 April 1973 to 11 November 19731983: 7 May 1983 to 23 October 19831987: 10 April 1987 to 28 October 19871988: 24 March 1988 to 1 November 19881989: 9 March 1989 to 19 October 19891990: 24 March 1990 to 30 October 19901991: 5 April 1991 to 20 October 19911992: 12 April 1992 to 23 October 19921993: 20 April 1993 to 5 October 19931994: 15 April 1994 to 13 October 19941995: 26 April 1995 to 22 October 19952006: 25 March 2006 to 7 November 20062007: 15 March 2007 to 8 November 20072008: 13 April 2008 to 2 November 20082009: 2 March 2009 to 10 November 20092016: 19 March 2016 to 15 November 20162018: 22 March 2018 to 28 October 20182019: 8 April 2019 to 23 October 20192020: 22 April 2020 to 18 November 20202022: 2 March 2022 to 21 October 20222023: 10 April 2023 to 6 November 20232025: 24 March 2025 to 2 November 20252026: 27 February 2026 to 10 October 202619631967197219881992200620162022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Carefree meeting 30 C (86 F).
First to last qualifying date each year at Carefree
YearFirst dateLast date
19631963-02-051963-10-28
19641964-03-301964-10-29
19651965-04-201965-11-01
19661966-03-311966-11-01
19671967-03-221967-11-14
19691969-03-301969-10-28
19701970-05-031970-10-13
19711971-03-161971-10-15
19721972-03-051972-10-16
19731973-04-261973-11-11
19831983-05-071983-10-23
19871987-04-101987-10-28
19881988-03-241988-11-01
19891989-03-091989-10-19
19901990-03-241990-10-30
19911991-04-051991-10-20
19921992-04-121992-10-23
19931993-04-201993-10-05
19941994-04-151994-10-13
19951995-04-261995-10-22
20062006-03-252006-11-07
20072007-03-152007-11-08
20082008-04-132008-11-02
20092009-03-022009-11-10
20162016-03-192016-11-15
20182018-03-222018-10-28
20192019-04-082019-10-23
20202020-04-222020-11-18
20222022-03-022022-10-21
20232023-04-102023-11-06
20252025-03-242025-11-02
20262026-02-272026-10-10

Every Fixed Threshold

Fixed thresholds at Carefree
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days321831989175
35 C (95 F): Days321402020128
40 C (104 F): Days3274202057
45 C (113 F): Days111120235
90 F (32.2 C): Days321642020159
100 F (37.8 C): Days32109202092
110 F (43.3 C): Days2326202315
0 C (32 F): Frost days (min423019642
20 C (68 F): Tropical nights (min421261987116
25 C (77 F): Days with min4262199456
10 mm (0.39 in): Days with 10 mm or more rain4621199311
25 mm (0.98 in): Days with 25 mm or more rain40819935
50 mm (1.97 in): Days with 50 mm or more rain14219721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Carefree 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 (2026-10-17).