Built 2026-10-19 (19 October 2026)

Yuma WSO AP Threshold Days by Year (USW00023195)

15 fixed thresholds counted per year at Yuma WSO AP (USW00023195): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Yuma WSO AP Thresholds

  • Yuma WSO AP: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 1950 with 239.
  • Yuma WSO AP: days with a maximum temperature at or above 35 C (95 F) in 47 years, most in 1954 with 175.
  • Yuma WSO AP: days with a maximum temperature at or above 40 C (104 F) in 47 years, most in 1958 with 117.
  • Yuma WSO AP: days with a maximum temperature at or above 90 F (32.2 C) in 47 years, most in 1950 with 209.
  • 15 fixed thresholds have at least one qualifying day at Yuma WSO AP.
47 years with a qualifying day
Days at or above 30 C (86 F) per year at Yuma WSO AP Days per year at Yuma WSO AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 239 in 1950. 01002003001949: 2051950: 2391951: 2081952: 2131953: 2031954: 2251955: 2001956: 2131957: 1961958: 2091959: 2231960: 2171961: 2001962: 2151963: 2141964: 1871965: 1871966: 2131967: 1881968: 1981969: 1831970: 1841971: 1681972: 2101973: 1941974: 1951975: 1741976: 1881977: 1931978: 1971979: 1971980: 1911981: 2191982: 1931983: 1951984: 1921985: 2001986: 2091987: 1991988: 2091989: 2291990: 2181991: 1921992: 2061993: 2211994: 2001995: 2061949195419591964196919741979198419891994
Days per year at Yuma WSO AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 239 in 1950.
Days at or above 30 C (86 F) per year at Yuma WSO AP
YearDaysDecade average
1949205205
1950239212.9
1951208212.9
1952213212.9
1953203212.9
1954225212.9
1955200212.9
1956213212.9
1957196212.9
1958209212.9
1959223212.9
1960217200.2
1961200200.2
1962215200.2
1963214200.2
1964187200.2
1965187200.2
1966213200.2
1967188200.2
1968198200.2
1969183200.2
1970184190
1971168190
1972210190
1973194190
1974195190
1975174190
1976188190
1977193190
1978197190
1979197190
1980191203.6
1981219203.6
1982193203.6
1983195203.6
1984192203.6
1985200203.6
1986209203.6
1987199203.6
1988209203.6
1989229203.6
1990218207.2
1991192207.2
1992206207.2
1993221207.2
1994200207.2
1995206207.2
First to last qualifying date each year at Yuma WSO AP For each year, a bar from the first to the last day at Yuma WSO AP meeting 30 C (86 F). 1949: 15 March 1949 to 26 November 19491950: 17 February 1950 to 29 November 19501951: 25 January 1951 to 9 November 19511952: 26 March 1952 to 6 November 19521953: 7 February 1953 to 13 November 19531954: 2 February 1954 to 28 November 19541955: 8 March 1955 to 7 November 19551956: 3 March 1956 to 13 November 19561957: 10 February 1957 to 27 October 19571958: 17 February 1958 to 3 December 19581959: 18 January 1959 to 25 November 19591960: 4 March 1960 to 3 November 19601961: 9 March 1961 to 27 October 19611962: 10 February 1962 to 12 November 19621963: 3 February 1963 to 13 November 19631964: 18 March 1964 to 29 October 19641965: 22 February 1965 to 7 November 19651966: 9 March 1966 to 3 November 19661967: 1 March 1967 to 16 November 19671968: 23 February 1968 to 22 November 19681969: 27 March 1969 to 1 November 19691970: 15 March 1970 to 20 October 19701971: 19 January 1971 to 14 October 19711972: 27 February 1972 to 17 October 19721973: 6 April 1973 to 12 November 19731974: 14 March 1974 to 25 October 19741975: 28 February 1975 to 6 November 19751976: 18 March 1976 to 8 November 19761977: 15 February 1977 to 15 November 19771978: 16 March 1978 to 9 November 19781979: 7 March 1979 to 28 October 19791980: 27 February 1980 to 11 November 19801981: 16 February 1981 to 24 November 19811982: 20 February 1982 to 25 October 19821983: 9 March 1983 to 11 November 19831984: 10 March 1984 to 5 November 19841985: 23 March 1985 to 8 November 19851986: 23 February 1986 to 13 November 19861987: 4 March 1987 to 28 October 19871988: 28 February 1988 to 13 November 19881989: 23 February 1989 to 13 November 19891990: 24 February 1990 to 17 November 19901991: 14 February 1991 to 8 November 19911992: 14 March 1992 to 2 November 19921993: 8 March 1993 to 4 November 19931994: 3 March 1994 to 1 November 19941995: 3 February 1995 to 25 November 199519491955196119671973197919851991JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Yuma WSO AP meeting 30 C (86 F).
First to last qualifying date each year at Yuma WSO AP
YearFirst dateLast date
19491949-03-151949-11-26
19501950-02-171950-11-29
19511951-01-251951-11-09
19521952-03-261952-11-06
19531953-02-071953-11-13
19541954-02-021954-11-28
19551955-03-081955-11-07
19561956-03-031956-11-13
19571957-02-101957-10-27
19581958-02-171958-12-03
19591959-01-181959-11-25
19601960-03-041960-11-03
19611961-03-091961-10-27
19621962-02-101962-11-12
19631963-02-031963-11-13
19641964-03-181964-10-29
19651965-02-221965-11-07
19661966-03-091966-11-03
19671967-03-011967-11-16
19681968-02-231968-11-22
19691969-03-271969-11-01
19701970-03-151970-10-20
19711971-01-191971-10-14
19721972-02-271972-10-17
19731973-04-061973-11-12
19741974-03-141974-10-25
19751975-02-281975-11-06
19761976-03-181976-11-08
19771977-02-151977-11-15
19781978-03-161978-11-09
19791979-03-071979-10-28
19801980-02-271980-11-11
19811981-02-161981-11-24
19821982-02-201982-10-25
19831983-03-091983-11-11
19841984-03-101984-11-05
19851985-03-231985-11-08
19861986-02-231986-11-13
19871987-03-041987-10-28
19881988-02-281988-11-13
19891989-02-231989-11-13
19901990-02-241990-11-17
19911991-02-141991-11-08
19921992-03-141992-11-02
19931993-03-081993-11-04
19941994-03-031994-11-01
19951995-02-031995-11-25

Every Fixed Threshold

Fixed thresholds at Yuma WSO AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days472391950206
35 C (95 F): Days471751954144
40 C (104 F): Days47117195893
45 C (113 F): Days4523196015
50 C (122 F): Days3119501
90 F (32.2 C): Days472091950176
100 F (37.8 C): Days471441952117
110 F (43.3 C): Days4753199440
120 F (48.9 C): Days5119501
0 C (32 F): Frost days (min28719713
20 C (68 F): Tropical nights (min471581992127
25 C (77 F): Days with min4793199486
10 mm (0.39 in): Days with 10 mm or more rain37519832
25 mm (0.98 in): Days with 25 mm or more rain17219581
50 mm (1.97 in): Days with 50 mm or more rain4219892

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Yuma WSO AP 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).