Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

South Phoenix Threshold Days by Year

14 fixed thresholds counted per year at South Phoenix (USC00028112): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for South Phoenix Thresholds

  • South Phoenix: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 1972 with 202.
  • South Phoenix: days with a maximum temperature at or above 35 C (95 F) in 44 years, most in 1978 with 145.
  • South Phoenix: days with a maximum temperature at or above 40 C (104 F) in 44 years, most in 1996 with 57.
  • South Phoenix: days with a maximum temperature at or above 90 F (32.2 C) in 44 years, most in 1972 with 172.
  • 14 fixed thresholds have at least one qualifying day at South Phoenix.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at South Phoenix Days per year at South Phoenix with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 202 in 1972. 01002003001961: 1781962: 1891963: 1881965: 1481966: 1911967: 1811968: 1791969: 1791970: 1671971: 1741972: 2021973: 1811974: 1871975: 1701976: 1841977: 1841978: 1931979: 1821980: 1781981: 1951982: 1711983: 1701984: 1761985: 1701986: 1771987: 1771988: 1831989: 1881990: 1841991: 1621992: 1771993: 1731994: 1681995: 1781996: 1901997: 1781999: 1922000: 1672001: 1802002: 1632003: 1632004: 1812005: 1702006: 172196119671972197719821987199219972003
Days per year at South Phoenix with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 202 in 1972.
Days at or above 30 C (86 F) per year at South Phoenix
YearDaysDecade average
1961178179.1
1962189179.1
1963188179.1
1965148179.1
1966191179.1
1967181179.1
1968179179.1
1969179179.1
1970167182.4
1971174182.4
1972202182.4
1973181182.4
1974187182.4
1975170182.4
1976184182.4
1977184182.4
1978193182.4
1979182182.4
1980178178.5
1981195178.5
1982171178.5
1983170178.5
1984176178.5
1985170178.5
1986177178.5
1987177178.5
1988183178.5
1989188178.5
1990184178
1991162178
1992177178
1993173178
1994168178
1995178178
1996190178
1997178178
1999192178
2000167170.9
2001180170.9
2002163170.9
2003163170.9
2004181170.9
2005170170.9
2006172170.9
First to last qualifying date each year at South Phoenix For each year, a bar from the first to the last day at South Phoenix meeting 30 C (86 F). 1961: 22 March 1961 to 27 October 19611962: 26 March 1962 to 12 November 19621963: 4 February 1963 to 29 October 19631965: 31 March 1965 to 7 November 19651966: 14 March 1966 to 2 November 19661967: 2 March 1967 to 14 November 19671968: 28 March 1968 to 29 October 19681969: 21 March 1969 to 18 October 19691970: 5 April 1970 to 20 October 19701971: 19 January 1971 to 11 November 19711972: 27 February 1972 to 17 October 19721973: 10 April 1973 to 29 October 19731974: 15 March 1974 to 25 October 19741975: 21 April 1975 to 6 November 19751976: 22 March 1976 to 4 November 19761977: 19 February 1977 to 28 October 19771978: 19 March 1978 to 8 November 19781979: 5 April 1979 to 28 October 19791980: 8 April 1980 to 8 November 19801981: 19 February 1981 to 5 November 19811982: 11 April 1982 to 25 October 19821983: 31 March 1983 to 1 November 19831984: 13 March 1984 to 5 November 19841985: 24 March 1985 to 30 October 19851986: 24 February 1986 to 31 October 19861987: 1 April 1987 to 28 October 19871988: 20 March 1988 to 6 November 19881989: 26 February 1989 to 10 November 19891990: 18 March 1990 to 14 November 19901991: 4 April 1991 to 21 October 19911992: 9 April 1992 to 24 October 19921993: 22 March 1993 to 25 October 19931994: 3 March 1994 to 29 October 19941995: 20 February 1995 to 24 November 19951996: 8 March 1996 to 14 November 19961997: 9 March 1997 to 3 November 19971999: 3 March 1999 to 16 November 19992000: 4 April 2000 to 18 October 20002001: 20 March 2001 to 4 November 20012002: 21 March 2002 to 17 October 20022003: 31 March 2003 to 26 October 20032004: 8 March 2004 to 16 October 20042005: 3 April 2005 to 17 October 20052006: 8 April 2006 to 8 November 200619611968197419801986199219992005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at South Phoenix meeting 30 C (86 F).
First to last qualifying date each year at South Phoenix
YearFirst dateLast date
19611961-03-221961-10-27
19621962-03-261962-11-12
19631963-02-041963-10-29
19651965-03-311965-11-07
19661966-03-141966-11-02
19671967-03-021967-11-14
19681968-03-281968-10-29
19691969-03-211969-10-18
19701970-04-051970-10-20
19711971-01-191971-11-11
19721972-02-271972-10-17
19731973-04-101973-10-29
19741974-03-151974-10-25
19751975-04-211975-11-06
19761976-03-221976-11-04
19771977-02-191977-10-28
19781978-03-191978-11-08
19791979-04-051979-10-28
19801980-04-081980-11-08
19811981-02-191981-11-05
19821982-04-111982-10-25
19831983-03-311983-11-01
19841984-03-131984-11-05
19851985-03-241985-10-30
19861986-02-241986-10-31
19871987-04-011987-10-28
19881988-03-201988-11-06
19891989-02-261989-11-10
19901990-03-181990-11-14
19911991-04-041991-10-21
19921992-04-091992-10-24
19931993-03-221993-10-25
19941994-03-031994-10-29
19951995-02-201995-11-24
19961996-03-081996-11-14
19971997-03-091997-11-03
19991999-03-031999-11-16
20002000-04-042000-10-18
20012001-03-202001-11-04
20022002-03-212002-10-17
20032003-03-312003-10-26
20042004-03-082004-10-16
20052005-04-032005-10-17
20062006-04-082006-11-08

Every Fixed Threshold

Fixed thresholds at South Phoenix
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days442021972172
35 C (95 F): Days441451978118
40 C (104 F): Days4457199630
45 C (113 F): Days5219901
90 F (32.2 C): Days441721972149
100 F (37.8 C): Days44105198376
110 F (43.3 C): Days30819832
0 C (32 F): Frost days (min444119637
-10 C (14 F): Days with min1119631
20 C (68 F): Tropical nights (min441252000116
25 C (77 F): Days with min4461200661
10 mm (0.39 in): Days with 10 mm or more rain441619788
25 mm (0.98 in): Days with 25 mm or more rain29519832
50 mm (1.97 in): Days with 50 mm or more rain2119901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for South Phoenix 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).