Built 2026-10-19 (19 October 2026)

Lupton 1S Threshold Days by Year (USC00204967)

17 fixed thresholds counted per year at Lupton 1S (USC00204967): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lupton 1S Thresholds

  • Lupton 1S: days with a maximum temperature at or above 30 C (86 F) in 61 years, most in 1955 with 59.
  • Lupton 1S: days with a maximum temperature at or below 0 C (32 F) in 61 years, most in 2014 with 92.
  • Lupton 1S: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 1958 with 219.
  • Lupton 1S: nights with a minimum temperature at or below -10 C (14 F) in 58 years, most in 1980 with 89.
  • 17 fixed thresholds have at least one qualifying day at Lupton 1S.
61 years with a qualifying day
Days at or above 30 C (86 F) per year at Lupton 1S Days per year at Lupton 1S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 59 in 1955. 02040601952: 401953: 281954: 251955: 591956: 121957: 181958: 211959: 451960: 131961: 191962: 221963: 321964: 391965: 221966: 481967: 131968: 311969: 281970: 331971: 271972: 151973: 191974: 111975: 171976: 281977: 271978: 171979: 131980: 181981: 101982: 71983: 411984: 111985: 121986: 121987: 341994: 121995: 321997: 241998: 371999: 312006: 182007: 392008: 72009: 62010: 182011: 282012: 362013: 212014: 92015: 142017: 162018: 282019: 102020: 372021: 292022: 222023: 202024: 122025: 252026: 15195219591966197319801987200720142022
Days per year at Lupton 1S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 59 in 1955.
Days at or above 30 C (86 F) per year at Lupton 1S
YearDaysDecade average
19524031
19532831
19542531
19555931
19561231
19571831
19582131
19594531
19601326.7
19611926.7
19622226.7
19633226.7
19643926.7
19652226.7
19664826.7
19671326.7
19683126.7
19692826.7
19703320.7
19712720.7
19721520.7
19731920.7
19741120.7
19751720.7
19762820.7
19772720.7
19781720.7
19791320.7
19801818.1
19811018.1
1982718.1
19834118.1
19841118.1
19851218.1
19861218.1
19873418.1
19941227.2
19953227.2
19972427.2
19983727.2
19993127.2
20061817.5
20073917.5
2008717.5
2009617.5
20101820
20112820
20123620
20132120
2014920
20151420
20171620
20182820
20191020
20203722.9
20212922.9
20222222.9
20232022.9
20241222.9
20252522.9
20261522.9
First to last qualifying date each year at Lupton 1S For each year, a bar from the first to the last day at Lupton 1S meeting 30 C (86 F). 1952: 5 May 1952 to 14 September 19521953: 9 May 1953 to 3 September 19531954: 8 June 1954 to 2 September 19541955: 3 May 1955 to 19 September 19551956: 22 May 1956 to 8 August 19561957: 16 June 1957 to 11 August 19571958: 14 May 1958 to 31 August 19581959: 6 May 1959 to 9 September 19591960: 23 April 1960 to 9 September 19601961: 13 May 1961 to 11 September 19611962: 26 April 1962 to 29 August 19621963: 2 June 1963 to 6 October 19631964: 22 May 1964 to 3 September 19641965: 25 May 1965 to 19 September 19651966: 26 May 1966 to 2 September 19661967: 2 June 1967 to 4 October 19671968: 15 May 1968 to 24 August 19681969: 28 May 1969 to 1 September 19691970: 21 May 1970 to 21 September 19701971: 4 June 1971 to 1 October 19711972: 18 May 1972 to 21 August 19721973: 16 June 1973 to 5 September 19731974: 22 May 1974 to 23 August 19741975: 19 May 1975 to 5 August 19751976: 17 April 1976 to 9 September 19761977: 20 May 1977 to 29 August 19771978: 26 May 1978 to 11 September 19781979: 10 May 1979 to 8 August 19791980: 6 May 1980 to 30 August 19801981: 16 June 1981 to 27 July 19811982: 12 May 1982 to 26 July 19821983: 12 June 1983 to 11 September 19831984: 7 June 1984 to 30 August 19841985: 22 April 1985 to 8 September 19851986: 7 May 1986 to 25 July 19861987: 18 May 1987 to 4 August 19871994: 22 May 1994 to 26 August 19941995: 1 June 1995 to 7 September 19951997: 10 June 1997 to 10 August 19971998: 16 May 1998 to 27 September 19981999: 18 May 1999 to 6 September 19992006: 29 May 2006 to 3 August 20062007: 24 May 2007 to 9 October 20072008: 7 June 2008 to 3 September 20082009: 22 May 2009 to 17 August 20092010: 21 May 2010 to 1 September 20102011: 31 May 2011 to 3 September 20112012: 22 March 2012 to 13 September 20122013: 20 May 2013 to 11 September 20132014: 31 May 2014 to 23 July 20142015: 8 May 2015 to 7 September 20152017: 18 May 2017 to 28 September 20172018: 24 May 2018 to 18 September 20182019: 28 June 2019 to 29 July 20192020: 26 May 2020 to 26 August 20202021: 22 May 2021 to 30 August 20212022: 13 May 2022 to 3 September 20222023: 14 April 2023 to 6 September 20232024: 18 June 2024 to 16 September 20242025: 18 June 2025 to 5 October 20252026: 19 May 2026 to 1 August 202619521960196819761984199920132022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lupton 1S meeting 30 C (86 F).
First to last qualifying date each year at Lupton 1S
YearFirst dateLast date
19521952-05-051952-09-14
19531953-05-091953-09-03
19541954-06-081954-09-02
19551955-05-031955-09-19
19561956-05-221956-08-08
19571957-06-161957-08-11
19581958-05-141958-08-31
19591959-05-061959-09-09
19601960-04-231960-09-09
19611961-05-131961-09-11
19621962-04-261962-08-29
19631963-06-021963-10-06
19641964-05-221964-09-03
19651965-05-251965-09-19
19661966-05-261966-09-02
19671967-06-021967-10-04
19681968-05-151968-08-24
19691969-05-281969-09-01
19701970-05-211970-09-21
19711971-06-041971-10-01
19721972-05-181972-08-21
19731973-06-161973-09-05
19741974-05-221974-08-23
19751975-05-191975-08-05
19761976-04-171976-09-09
19771977-05-201977-08-29
19781978-05-261978-09-11
19791979-05-101979-08-08
19801980-05-061980-08-30
19811981-06-161981-07-27
19821982-05-121982-07-26
19831983-06-121983-09-11
19841984-06-071984-08-30
19851985-04-221985-09-08
19861986-05-071986-07-25
19871987-05-181987-08-04
19941994-05-221994-08-26
19951995-06-011995-09-07
19971997-06-101997-08-10
19981998-05-161998-09-27
19991999-05-181999-09-06
20062006-05-292006-08-03
20072007-05-242007-10-09
20082008-06-072008-09-03
20092009-05-222009-08-17
20102010-05-212010-09-01
20112011-05-312011-09-03
20122012-03-222012-09-13
20132013-05-202013-09-11
20142014-05-312014-07-23
20152015-05-082015-09-07
20172017-05-182017-09-28
20182018-05-242018-09-18
20192019-06-282019-07-29
20202020-05-262020-08-26
20212021-05-222021-08-30
20222022-05-132022-09-03
20232023-04-142023-09-06
20242024-06-182024-09-16
20252025-06-182025-10-05
20262026-05-192026-08-01

Every Fixed Threshold

Fixed thresholds at Lupton 1S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6159195515
35 C (95 F): Days301219551
40 C (104 F): Days1119951
90 F (32.2 C): Days563419554
100 F (37.8 C): Days6219941
0 C (32 F): Ice days (max6192201450
0 C (32 F): Frost days (min582191958117
-10 C (14 F): Days with min5889198044
-20 C (-4 F): Days with min5844196312
-30 C (-22 F): Days with min24819634
20 C (68 F): Tropical nights (min19319592
10 mm (0.39 in): Days with 10 mm or more rain4334198529
25 mm (0.98 in): Days with 25 mm or more rain43819976
50 mm (1.97 in): Days with 50 mm or more rain22319951
100 mm (3.94 in): Days with 100 mm or more rain2119591
10 cm (3.9 in): Days with 10 cm or more snowfall46719621
25 cm (9.8 in): Days with 25 cm or more snowfall6119591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Lupton 1S 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 (2026-10-17).