Built 2026-10-19 (19 October 2026)

Marysvale Threshold Days by Year

14 fixed thresholds counted per year at Marysvale (USC00425477): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Marysvale Thresholds

  • Marysvale: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 2021 with 10.
  • Marysvale: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 2002 with 87.
  • Marysvale: days with a maximum temperature at or above 90 F (32.2 C) in 51 years, most in 2002 with 59.
  • Marysvale: days with a maximum temperature at or below 0 C (32 F) in 51 years, most in 2007 with 23.
  • 14 fixed thresholds have at least one qualifying day at Marysvale.
51 years with a qualifying day
Days at or above 30 C (86 F) per year at Marysvale Days per year at Marysvale with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 87 in 2002. 02550751001956: 811957: 581958: 711959: 721960: 751961: 591962: 691963: 611966: 561972: 541973: 661974: 761975: 441976: 611977: 731978: 671979: 781980: 641981: 741982: 451983: 531984: 521985: 671986: 541987: 451988: 691989: 601990: 711991: 451992: 411993: 471994: 801995: 601996: 861997: 471998: 511999: 562000: 772001: 852002: 872003: 822004: 592005: 472006: 712007: 822008: 722009: 642019: 602020: 822021: 742022: 78195619621975198119871993199920052020
Days per year at Marysvale with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 87 in 2002.
Days at or above 30 C (86 F) per year at Marysvale
YearDaysDecade average
19568170.5
19575870.5
19587170.5
19597270.5
19607564
19615964
19626964
19636164
19665664
19725464.9
19736664.9
19747664.9
19754464.9
19766164.9
19777364.9
19786764.9
19797864.9
19806458.3
19817458.3
19824558.3
19835358.3
19845258.3
19856758.3
19865458.3
19874558.3
19886958.3
19896058.3
19907158.4
19914558.4
19924158.4
19934758.4
19948058.4
19956058.4
19968658.4
19974758.4
19985158.4
19995658.4
20007772.6
20018572.6
20028772.6
20038272.6
20045972.6
20054772.6
20067172.6
20078272.6
20087272.6
20096472.6
20196060
20208278
20217478
20227878
First to last qualifying date each year at Marysvale For each year, a bar from the first to the last day at Marysvale meeting 30 C (86 F). 1956: 18 May 1956 to 25 September 19561957: 3 June 1957 to 12 September 19571958: 19 May 1958 to 11 September 19581959: 12 May 1959 to 10 September 19591960: 10 May 1960 to 26 September 19601961: 7 June 1961 to 28 August 19611962: 11 June 1962 to 18 September 19621963: 20 June 1963 to 30 September 19631966: 14 June 1966 to 23 September 19661972: 30 May 1972 to 22 August 19721973: 7 June 1973 to 14 September 19731974: 26 May 1974 to 11 September 19741975: 12 June 1975 to 6 September 19751976: 14 May 1976 to 5 September 19761977: 31 May 1977 to 9 September 19771978: 9 June 1978 to 5 September 19781979: 6 June 1979 to 7 October 19791980: 9 June 1980 to 8 October 19801981: 6 June 1981 to 18 September 19811982: 24 June 1982 to 23 September 19821983: 28 May 1983 to 18 September 19831984: 12 May 1984 to 18 September 19841985: 6 June 1985 to 31 August 19851986: 12 June 1986 to 7 September 19861987: 4 June 1987 to 2 September 19871988: 15 May 1988 to 9 September 19881989: 8 May 1989 to 28 September 19891990: 3 June 1990 to 14 September 19901991: 12 June 1991 to 4 September 19911992: 19 June 1992 to 10 September 19921993: 14 June 1993 to 11 September 19931994: 29 May 1994 to 28 September 19941995: 12 June 1995 to 16 September 19951996: 12 May 1996 to 10 October 19961997: 16 May 1997 to 5 October 19971998: 25 June 1998 to 4 September 19981999: 13 June 1999 to 12 September 19992000: 27 April 2000 to 17 September 20002001: 25 May 2001 to 1 October 20012002: 28 May 2002 to 24 September 20022003: 22 May 2003 to 1 October 20032004: 4 May 2004 to 17 September 20042005: 20 May 2005 to 20 September 20052006: 16 May 2006 to 5 September 20062007: 12 May 2007 to 15 September 20072008: 19 May 2008 to 16 September 20082009: 18 May 2009 to 28 September 20092019: 14 June 2019 to 16 September 20192020: 29 May 2020 to 26 September 20202021: 15 May 2021 to 16 September 20212022: 14 May 2022 to 12 September 202219561963197719841991199820052021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Marysvale meeting 30 C (86 F).
First to last qualifying date each year at Marysvale
YearFirst dateLast date
19561956-05-181956-09-25
19571957-06-031957-09-12
19581958-05-191958-09-11
19591959-05-121959-09-10
19601960-05-101960-09-26
19611961-06-071961-08-28
19621962-06-111962-09-18
19631963-06-201963-09-30
19661966-06-141966-09-23
19721972-05-301972-08-22
19731973-06-071973-09-14
19741974-05-261974-09-11
19751975-06-121975-09-06
19761976-05-141976-09-05
19771977-05-311977-09-09
19781978-06-091978-09-05
19791979-06-061979-10-07
19801980-06-091980-10-08
19811981-06-061981-09-18
19821982-06-241982-09-23
19831983-05-281983-09-18
19841984-05-121984-09-18
19851985-06-061985-08-31
19861986-06-121986-09-07
19871987-06-041987-09-02
19881988-05-151988-09-09
19891989-05-081989-09-28
19901990-06-031990-09-14
19911991-06-121991-09-04
19921992-06-191992-09-10
19931993-06-141993-09-11
19941994-05-291994-09-28
19951995-06-121995-09-16
19961996-05-121996-10-10
19971997-05-161997-10-05
19981998-06-251998-09-04
19991999-06-131999-09-12
20002000-04-272000-09-17
20012001-05-252001-10-01
20022002-05-282002-09-24
20032003-05-222003-10-01
20042004-05-042004-09-17
20052005-05-202005-09-20
20062006-05-162006-09-05
20072007-05-122007-09-15
20082008-05-192008-09-16
20092009-05-182009-09-28
20192019-06-142019-09-16
20202020-05-292020-09-26
20212021-05-152021-09-16
20222022-05-142022-09-12

Every Fixed Threshold

Fixed thresholds at Marysvale
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5187200278
35 C (95 F): Days462720029
90 F (32.2 C): Days5159200241
100 F (37.8 C): Days14320021
0 C (32 F): Ice days (max5123200715
0 C (32 F): Frost days (min512152022215
-10 C (14 F): Days with min5186202286
-20 C (-4 F): Days with min391319891
-30 C (-22 F): Days with min4519901
20 C (68 F): Tropical nights (min4219781
10 mm (0.39 in): Days with 10 mm or more rain531020213
25 mm (0.98 in): Days with 25 mm or more rain6219661
10 cm (3.9 in): Days with 10 cm or more snowfall21620081
25 cm (9.8 in): Days with 25 cm or more snowfall1120041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Marysvale 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 (2026-10-12).