Built 2026-10-19 (19 October 2026)

Lustre 4 NNW Threshold Days by Year (USC00245285)

16 fixed thresholds counted per year at Lustre 4 NNW (USC00245285): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lustre 4 NNW Thresholds

  • Lustre 4 NNW: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1944 with 14.
  • Lustre 4 NNW: days with 10 cm (3.9 in) or more of snowfall in 55 years, most in 1967 with 9.
  • Lustre 4 NNW: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1941 with 4.
  • Lustre 4 NNW: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 1961 with 55.
  • 16 fixed thresholds have at least one qualifying day at Lustre 4 NNW.
45 years with a qualifying day
Days at or above 30 C (86 F) per year at Lustre 4 NNW Days per year at Lustre 4 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1961. 02040601948: 221949: 331950: 121951: 231952: 171953: 191954: 201955: 321956: 211957: 341958: 351959: 291960: 331961: 551962: 141963: 291964: 331965: 151966: 311967: 371968: 241969: 401970: 421971: 471972: 161973: 351974: 291975: 191976: 191977: 231978: 251979: 231980: 251981: 331982: 161983: 411984: 371985: 221986: 181987: 191988: 521989: 311990: 351991: 271992: 22194819531958196319681973197819831988
Days per year at Lustre 4 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1961.
Days at or above 30 C (86 F) per year at Lustre 4 NNW
YearDaysDecade average
19482227.5
19493327.5
19501224.2
19512324.2
19521724.2
19531924.2
19542024.2
19553224.2
19562124.2
19573424.2
19583524.2
19592924.2
19603331.1
19615531.1
19621431.1
19632931.1
19643331.1
19651531.1
19663131.1
19673731.1
19682431.1
19694031.1
19704227.8
19714727.8
19721627.8
19733527.8
19742927.8
19751927.8
19761927.8
19772327.8
19782527.8
19792327.8
19802529.4
19813329.4
19821629.4
19834129.4
19843729.4
19852229.4
19861829.4
19871929.4
19885229.4
19893129.4
19903528
19912728
19922228
First to last qualifying date each year at Lustre 4 NNW For each year, a bar from the first to the last day at Lustre 4 NNW meeting 30 C (86 F). 1948: 18 May 1948 to 13 September 19481949: 12 May 1949 to 25 August 19491950: 7 July 1950 to 5 September 19501951: 23 May 1951 to 22 August 19511952: 26 April 1952 to 26 September 19521953: 12 June 1953 to 8 September 19531954: 22 June 1954 to 30 August 19541955: 29 June 1955 to 10 October 19551956: 1 June 1956 to 24 August 19561957: 30 June 1957 to 7 September 19571958: 11 May 1958 to 12 September 19581959: 3 June 1959 to 13 September 19591960: 12 May 1960 to 4 September 19601961: 29 May 1961 to 31 August 19611962: 26 June 1962 to 26 August 19621963: 5 July 1963 to 30 September 19631964: 17 May 1964 to 18 September 19641965: 21 July 1965 to 16 August 19651966: 26 May 1966 to 11 September 19661967: 27 June 1967 to 29 September 19671968: 2 June 1968 to 11 September 19681969: 26 May 1969 to 13 September 19691970: 4 June 1970 to 4 September 19701971: 13 May 1971 to 11 September 19711972: 17 May 1972 to 30 August 19721973: 13 June 1973 to 31 August 19731974: 13 June 1974 to 7 August 19741975: 24 June 1975 to 7 August 19751976: 2 June 1976 to 17 September 19761977: 9 May 1977 to 24 August 19771978: 15 May 1978 to 10 September 19781979: 12 June 1979 to 16 September 19791980: 20 April 1980 to 7 September 19801981: 26 June 1981 to 19 September 19811982: 22 June 1982 to 9 September 19821983: 10 June 1983 to 2 September 19831984: 15 May 1984 to 18 September 19841985: 23 May 1985 to 30 August 19851986: 30 May 1986 to 29 August 19861987: 12 May 1987 to 2 September 19871988: 24 May 1988 to 6 September 19881989: 19 June 1989 to 23 August 19891990: 10 June 1990 to 25 September 19901991: 14 July 1991 to 7 September 19911992: 6 May 1992 to 1 October 199219481954196019661972197819841990JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lustre 4 NNW meeting 30 C (86 F).
First to last qualifying date each year at Lustre 4 NNW
YearFirst dateLast date
19481948-05-181948-09-13
19491949-05-121949-08-25
19501950-07-071950-09-05
19511951-05-231951-08-22
19521952-04-261952-09-26
19531953-06-121953-09-08
19541954-06-221954-08-30
19551955-06-291955-10-10
19561956-06-011956-08-24
19571957-06-301957-09-07
19581958-05-111958-09-12
19591959-06-031959-09-13
19601960-05-121960-09-04
19611961-05-291961-08-31
19621962-06-261962-08-26
19631963-07-051963-09-30
19641964-05-171964-09-18
19651965-07-211965-08-16
19661966-05-261966-09-11
19671967-06-271967-09-29
19681968-06-021968-09-11
19691969-05-261969-09-13
19701970-06-041970-09-04
19711971-05-131971-09-11
19721972-05-171972-08-30
19731973-06-131973-08-31
19741974-06-131974-08-07
19751975-06-241975-08-07
19761976-06-021976-09-17
19771977-05-091977-08-24
19781978-05-151978-09-10
19791979-06-121979-09-16
19801980-04-201980-09-07
19811981-06-261981-09-19
19821982-06-221982-09-09
19831983-06-101983-09-02
19841984-05-151984-09-18
19851985-05-231985-08-30
19861986-05-301986-08-29
19871987-05-121987-09-02
19881988-05-241988-09-06
19891989-06-191989-08-23
19901990-06-101990-09-25
19911991-07-141991-09-07
19921992-05-061992-10-01

Every Fixed Threshold

Fixed thresholds at Lustre 4 NNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4555196122
35 C (95 F): Days391719712
40 C (104 F): Days2219882
90 F (32.2 C): Days4532197112
100 F (37.8 C): Days16519711
0 C (32 F): Ice days (max45122195154
0 C (32 F): Frost days (min452071972181
-10 C (14 F): Days with min45123195553
-20 C (-4 F): Days with min456019519
-30 C (-22 F): Days with min421719501
20 C (68 F): Tropical nights (min13319833
10 mm (0.39 in): Days with 10 mm or more rain631419447
25 mm (0.98 in): Days with 25 mm or more rain47419411
50 mm (1.97 in): Days with 50 mm or more rain5119301
10 cm (3.9 in): Days with 10 cm or more snowfall55919673
25 cm (9.8 in): Days with 25 cm or more snowfall6119381

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Lustre 4 NNW 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).