Built 2026-10-19 (19 October 2026)

Lukachukai Threshold Days by Year (USC00025129)

14 fixed thresholds counted per year at Lukachukai (USC00025129): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lukachukai Thresholds

  • Lukachukai: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1988 with 18.
  • Lukachukai: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1996 with 65.
  • Lukachukai: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 1980 with 35.
  • Lukachukai: days with a maximum temperature at or below 0 C (32 F) in 32 years, most in 1992 with 38.
  • 14 fixed thresholds have at least one qualifying day at Lukachukai.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Lukachukai Days per year at Lukachukai with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1996. 0204060801915: 321916: 211952: 441953: 481954: 421955: 611961: 431963: 371969: 371970: 471972: 421973: 471974: 131975: 291976: 301977: 541980: 531981: 551983: 381984: 441985: 601986: 401987: 321988: 371989: 391990: 321991: 271992: 311993: 421994: 591995: 501996: 652006: 50191519541969197419801985198919932006
Days per year at Lukachukai with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1996.
Days at or above 30 C (86 F) per year at Lukachukai
YearDaysDecade average
19153226.5
19162126.5
19524448.8
19534848.8
19544248.8
19556148.8
19614339
19633739
19693739
19704737.4
19724237.4
19734737.4
19741337.4
19752937.4
19763037.4
19775437.4
19805344.2
19815544.2
19833844.2
19844444.2
19856044.2
19864044.2
19873244.2
19883744.2
19893944.2
19903243.7
19912743.7
19923143.7
19934243.7
19945943.7
19955043.7
19966543.7
20065050
First to last qualifying date each year at Lukachukai For each year, a bar from the first to the last day at Lukachukai meeting 30 C (86 F). 1915: 19 June 1915 to 31 August 19151916: 19 June 1916 to 5 August 19161952: 7 June 1952 to 9 September 19521953: 9 June 1953 to 25 August 19531954: 9 June 1954 to 31 August 19541955: 7 June 1955 to 15 September 19551961: 6 June 1961 to 27 August 19611963: 20 June 1963 to 9 September 19631969: 28 May 1969 to 29 August 19691970: 19 June 1970 to 31 August 19701972: 30 June 1972 to 24 August 19721973: 9 June 1973 to 8 September 19731974: 29 May 1974 to 25 June 19741975: 28 June 1975 to 1 September 19751976: 20 June 1976 to 5 September 19761977: 2 June 1977 to 10 September 19771980: 9 June 1980 to 19 September 19801981: 7 June 1981 to 29 August 19811983: 30 May 1983 to 13 September 19831984: 24 May 1984 to 15 September 19841985: 5 April 1985 to 5 September 19851986: 6 June 1986 to 7 September 19861987: 15 June 1987 to 21 August 19871988: 5 June 1988 to 21 August 19881989: 23 May 1989 to 4 September 19891990: 1 July 1990 to 15 September 19901991: 19 June 1991 to 31 August 19911992: 23 June 1992 to 22 August 19921993: 14 June 1993 to 25 August 19931994: 31 May 1994 to 3 September 19941995: 13 June 1995 to 8 September 19951996: 13 May 1996 to 5 September 19962006: 1 June 2006 to 28 September 20061915195519721977198519901995JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lukachukai meeting 30 C (86 F).
First to last qualifying date each year at Lukachukai
YearFirst dateLast date
19151915-06-191915-08-31
19161916-06-191916-08-05
19521952-06-071952-09-09
19531953-06-091953-08-25
19541954-06-091954-08-31
19551955-06-071955-09-15
19611961-06-061961-08-27
19631963-06-201963-09-09
19691969-05-281969-08-29
19701970-06-191970-08-31
19721972-06-301972-08-24
19731973-06-091973-09-08
19741974-05-291974-06-25
19751975-06-281975-09-01
19761976-06-201976-09-05
19771977-06-021977-09-10
19801980-06-091980-09-19
19811981-06-071981-08-29
19831983-05-301983-09-13
19841984-05-241984-09-15
19851985-04-051985-09-05
19861986-06-061986-09-07
19871987-06-151987-08-21
19881988-06-051988-08-21
19891989-05-231989-09-04
19901990-07-011990-09-15
19911991-06-191991-08-31
19921992-06-231992-08-22
19931993-06-141993-08-25
19941994-05-311994-09-03
19951995-06-131995-09-08
19961996-05-131996-09-05
20062006-06-012006-09-28

Every Fixed Threshold

Fixed thresholds at Lukachukai
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3365199650
35 C (95 F): Days22919891
90 F (32.2 C): Days3335198028
100 F (37.8 C): Days1119851
0 C (32 F): Ice days (max323819926
0 C (32 F): Frost days (min301981969134
-10 C (14 F): Days with min3083196915
-20 C (-4 F): Days with min17919761
20 C (68 F): Tropical nights (min12519704
10 mm (0.39 in): Days with 10 mm or more rain341819886
25 mm (0.98 in): Days with 25 mm or more rain25419832
50 mm (1.97 in): Days with 50 mm or more rain3119731
10 cm (3.9 in): Days with 10 cm or more snowfall16719703
25 cm (9.8 in): Days with 25 cm or more snowfall3219611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

  • Data for Lukachukai 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).