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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Deep Canyon Lab Threshold Days by Year (USC00042327)

4 fixed thresholds counted per year at Deep Canyon Lab (USC00042327): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deep Canyon Lab Thresholds

  • Deep Canyon Lab: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1978 with 11.
  • Deep Canyon Lab: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1983 with 6.
  • Deep Canyon Lab: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1983 with 3.
  • Deep Canyon Lab: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 2023 with 1.
  • 4 fixed thresholds have at least one qualifying day at Deep Canyon Lab.
48 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Deep Canyon Lab Days per year at Deep Canyon Lab with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 11 in 1978. 0510151963: 51964: 21965: 71966: 31967: 21968: 21969: 31970: 31972: 21973: 21974: 41975: 11976: 71977: 41978: 111979: 61980: 51981: 31982: 91983: 101984: 41985: 31986: 51987: 61988: 51989: 41991: 51993: 81994: 21995: 51997: 51998: 32000: 12007: 22008: 72010: 52014: 22015: 52016: 42017: 52018: 42019: 72020: 22021: 22022: 32023: 52024: 22025: 61963196819741979198419891997201020182023
Days per year at Deep Canyon Lab with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 11 in 1978.
Days with 10 mm (0.39 in) or more of precipitation per year at Deep Canyon Lab
YearDaysDecade average
196353.4
196423.4
196573.4
196633.4
196723.4
196823.4
196933.4
197034.4
197224.4
197324.4
197444.4
197514.4
197674.4
197744.4
1978114.4
197964.4
198055.4
198135.4
198295.4
1983105.4
198445.4
198535.4
198655.4
198765.4
198855.4
198945.4
199154.7
199384.7
199424.7
199554.7
199754.7
199834.7
200013.3
200723.3
200873.3
201054.6
201424.6
201554.6
201644.6
201754.6
201844.6
201974.6
202023.3
202123.3
202233.3
202353.3
202423.3
202563.3
First to last qualifying date each year at Deep Canyon Lab For each year, a bar from the first to the last day at Deep Canyon Lab meeting 10 mm (0.39 in). 1963: 10 February 1963 to 19 October 19631964: 23 March 1964 to 18 November 19641965: 7 August 1965 to 17 December 19651966: 30 July 1966 to 8 November 19661967: 30 August 1967 to 19 December 19671968: 8 March 1968 to 2 April 19681969: 26 January 1969 to 10 November 19691970: 1 March 1970 to 22 December 19701972: 12 August 1972 to 19 September 19721973: 11 February 1973 to 9 March 19731974: 5 January 1974 to 5 December 19741975: 9 April 1975 to 9 April 19751976: 7 February 1976 to 23 October 19761977: 16 August 1977 to 27 December 19771978: 5 January 1978 to 19 December 19781979: 6 January 1979 to 13 August 19791980: 14 February 1980 to 21 February 19801981: 9 February 1981 to 5 September 19811982: 3 January 1982 to 23 December 19821983: 29 January 1983 to 25 December 19831984: 20 July 1984 to 23 November 19841985: 27 September 1985 to 25 November 19851986: 8 February 1986 to 18 November 19861987: 24 February 1987 to 17 December 19871988: 18 January 1988 to 24 August 19881989: 4 January 1989 to 10 August 19891991: 28 February 1991 to 9 December 19911993: 7 January 1993 to 20 February 19931994: 4 February 1994 to 9 August 19941995: 5 January 1995 to 6 September 19951997: 13 January 1997 to 26 September 19971998: 4 February 1998 to 15 February 19982000: 30 August 2000 to 30 August 20002007: 1 December 2007 to 10 December 20072008: 7 January 2008 to 18 December 20082010: 19 January 2010 to 22 December 20102014: 1 March 2014 to 4 August 20142015: 2 March 2015 to 17 October 20152016: 6 January 2016 to 22 December 20162017: 14 January 2017 to 28 February 20172018: 9 January 2018 to 7 December 20182019: 15 January 2019 to 27 December 20192020: 10 March 2020 to 13 March 20202021: 26 July 2021 to 24 December 20212022: 6 August 2022 to 16 October 20222023: 1 January 2023 to 22 December 20232024: 23 January 2024 to 2 February 20242025: 14 February 2025 to 16 November 202519631969197619821988199720142020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Deep Canyon Lab meeting 10 mm (0.39 in).
First to last qualifying date each year at Deep Canyon Lab
YearFirst dateLast date
19631963-02-101963-10-19
19641964-03-231964-11-18
19651965-08-071965-12-17
19661966-07-301966-11-08
19671967-08-301967-12-19
19681968-03-081968-04-02
19691969-01-261969-11-10
19701970-03-011970-12-22
19721972-08-121972-09-19
19731973-02-111973-03-09
19741974-01-051974-12-05
19751975-04-091975-04-09
19761976-02-071976-10-23
19771977-08-161977-12-27
19781978-01-051978-12-19
19791979-01-061979-08-13
19801980-02-141980-02-21
19811981-02-091981-09-05
19821982-01-031982-12-23
19831983-01-291983-12-25
19841984-07-201984-11-23
19851985-09-271985-11-25
19861986-02-081986-11-18
19871987-02-241987-12-17
19881988-01-181988-08-24
19891989-01-041989-08-10
19911991-02-281991-12-09
19931993-01-071993-02-20
19941994-02-041994-08-09
19951995-01-051995-09-06
19971997-01-131997-09-26
19981998-02-041998-02-15
20002000-08-302000-08-30
20072007-12-012007-12-10
20082008-01-072008-12-18
20102010-01-192010-12-22
20142014-03-012014-08-04
20152015-03-022015-10-17
20162016-01-062016-12-22
20172017-01-142017-02-28
20182018-01-092018-12-07
20192019-01-152019-12-27
20202020-03-102020-03-13
20212021-07-262021-12-24
20222022-08-062022-10-16
20232023-01-012023-12-22
20242024-01-232024-02-02
20252025-02-142025-11-16

Every Fixed Threshold

Fixed thresholds at Deep Canyon Lab
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain481119786
25 mm (0.98 in): Days with 25 mm or more rain30619832
50 mm (1.97 in): Days with 50 mm or more rain7319831
100 mm (3.94 in): Days with 100 mm or more rain1120231

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Deep Canyon Lab 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).