Built 2026-10-19 (19 October 2026)

Cedar City Powerhouse Threshold Days by Year (USC00421272)

17 fixed thresholds counted per year at Cedar City Powerhouse (USC00421272): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cedar City Powerhouse Thresholds

  • Cedar City Powerhouse: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 1960 with 84.
  • Cedar City Powerhouse: days with a maximum temperature at or above 90 F (32.2 C) in 41 years, most in 1960 with 64.
  • Cedar City Powerhouse: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 1949 with 39.
  • Cedar City Powerhouse: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1959 with 182.
  • 17 fixed thresholds have at least one qualifying day at Cedar City Powerhouse.
41 years with a qualifying day
Days at or above 30 C (86 F) per year at Cedar City Powerhouse Days per year at Cedar City Powerhouse with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 1960. 02550751001907: 501911: 301912: 241915: 261922: 591923: 241924: 591925: 341926: 521927: 421928: 561929: 401930: 251931: 591932: 571933: 591934: 591935: 511936: 361937: 641938: 511939: 571941: 201942: 521943: 291944: 491945: 251946: 391947: 441948: 541949: 381950: 361951: 691952: 621953: 531954: 501955: 571956: 631958: 831959: 761960: 84190719231928193319381944194919541960
Days per year at Cedar City Powerhouse with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 1960.
Days at or above 30 C (86 F) per year at Cedar City Powerhouse
YearDaysDecade average
19075050
19113026.7
19122426.7
19152626.7
19225945.8
19232445.8
19245945.8
19253445.8
19265245.8
19274245.8
19285645.8
19294045.8
19302551.8
19315951.8
19325751.8
19335951.8
19345951.8
19355151.8
19363651.8
19376451.8
19385151.8
19395751.8
19412038.9
19425238.9
19432938.9
19444938.9
19452538.9
19463938.9
19474438.9
19485438.9
19493838.9
19503661
19516961
19526261
19535361
19545061
19555761
19566361
19588361
19597661
19608484
First to last qualifying date each year at Cedar City Powerhouse For each year, a bar from the first to the last day at Cedar City Powerhouse meeting 30 C (86 F). 1907: 27 June 1907 to 10 September 19071911: 11 June 1911 to 5 September 19111912: 3 June 1912 to 25 August 19121915: 22 June 1915 to 30 August 19151922: 10 June 1922 to 19 September 19221923: 12 June 1923 to 10 September 19231924: 18 May 1924 to 14 September 19241925: 24 June 1925 to 15 September 19251926: 4 June 1926 to 28 August 19261927: 15 May 1927 to 24 August 19271928: 6 June 1928 to 17 September 19281929: 14 June 1929 to 30 August 19291930: 11 June 1930 to 29 August 19301931: 14 June 1931 to 7 September 19311932: 20 June 1932 to 16 September 19321933: 30 May 1933 to 6 September 19331934: 10 May 1934 to 7 September 19341935: 7 June 1935 to 18 September 19351936: 11 June 1936 to 26 August 19361937: 15 May 1937 to 19 September 19371938: 1 June 1938 to 25 August 19381939: 10 June 1939 to 2 September 19391941: 22 June 1941 to 4 August 19411942: 16 June 1942 to 1 September 19421943: 18 June 1943 to 7 September 19431944: 29 June 1944 to 10 September 19441945: 21 June 1945 to 14 September 19451946: 3 June 1946 to 9 August 19461947: 3 May 1947 to 26 September 19471948: 29 June 1948 to 14 September 19481949: 15 June 1949 to 3 September 19491950: 14 June 1950 to 3 September 19501951: 25 May 1951 to 24 September 19511952: 8 June 1952 to 15 September 19521953: 10 June 1953 to 14 September 19531954: 19 May 1954 to 21 September 19541955: 7 June 1955 to 14 September 19551956: 17 May 1956 to 19 September 19561958: 19 May 1958 to 21 September 19581959: 12 May 1959 to 10 September 19591960: 10 May 1960 to 27 September 19601907192419301936194319491955JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cedar City Powerhouse meeting 30 C (86 F).
First to last qualifying date each year at Cedar City Powerhouse
YearFirst dateLast date
19071907-06-271907-09-10
19111911-06-111911-09-05
19121912-06-031912-08-25
19151915-06-221915-08-30
19221922-06-101922-09-19
19231923-06-121923-09-10
19241924-05-181924-09-14
19251925-06-241925-09-15
19261926-06-041926-08-28
19271927-05-151927-08-24
19281928-06-061928-09-17
19291929-06-141929-08-30
19301930-06-111930-08-29
19311931-06-141931-09-07
19321932-06-201932-09-16
19331933-05-301933-09-06
19341934-05-101934-09-07
19351935-06-071935-09-18
19361936-06-111936-08-26
19371937-05-151937-09-19
19381938-06-011938-08-25
19391939-06-101939-09-02
19411941-06-221941-08-04
19421942-06-161942-09-01
19431943-06-181943-09-07
19441944-06-291944-09-10
19451945-06-211945-09-14
19461946-06-031946-08-09
19471947-05-031947-09-26
19481948-06-291948-09-14
19491949-06-151949-09-03
19501950-06-141950-09-03
19511951-05-251951-09-24
19521952-06-081952-09-15
19531953-06-101953-09-14
19541954-05-191954-09-21
19551955-06-071955-09-14
19561956-05-171956-09-19
19581958-05-191958-09-21
19591959-05-121959-09-10
19601960-05-101960-09-27

Every Fixed Threshold

Fixed thresholds at Cedar City Powerhouse
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4184196084
35 C (95 F): Days2820196020
90 F (32.2 C): Days4164196064
100 F (37.8 C): Days2319603
0 C (32 F): Ice days (max4139194917
0 C (32 F): Frost days (min401821959148
-10 C (14 F): Days with min4052194928
-20 C (-4 F): Days with min282219493
-30 C (-22 F): Days with min1319373
20 C (68 F): Tropical nights (min291519332
25 C (77 F): Days with min1119341
10 mm (0.39 in): Days with 10 mm or more rain401519328
25 mm (0.98 in): Days with 25 mm or more rain24419362
50 mm (1.97 in): Days with 50 mm or more rain2119121
10 cm (3.9 in): Days with 10 cm or more snowfall321019486
25 cm (9.8 in): Days with 25 cm or more snowfall11219441
50 cm (19.7 in): Days with 50 cm or more snowfall1119441

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

  • Data for Cedar City Powerhouse 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).