McDermitt Threshold Days by Year (USC00264935)

15 fixed thresholds counted per year at McDermitt (USC00264935): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for McDermitt Thresholds

McDermitt: days with a maximum temperature at or above 30 C (86 F) in 52 years, most in 1919 with 99.
McDermitt: days with a maximum temperature at or above 90 F (32.2 C) in 52 years, most in 2020 with 75.
McDermitt: days with a maximum temperature at or above 35 C (95 F) in 51 years, most in 2021 with 45.
McDermitt: nights with a minimum temperature at or below 0 C (32 F) in 51 years, most in 1984 with 225.
15 fixed thresholds have at least one qualifying day at McDermitt.

Days at or above 30 C (86 F)

52 years with a qualifying day

Days per year at McDermitt with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 1919.

Days at or above 30 C (86 F) per year at McDermitt
Year	Days	Decade average
1914	44	59.8
1915	48	59.8
1916	45	59.8
1917	68	59.8
1918	55	59.8
1919	99	59.8
1973	75	75
1980	47	61.6
1981	87	61.6
1982	56	61.6
1983	45	61.6
1984	60	61.6
1985	64	61.6
1986	65	61.6
1987	64	61.6
1988	77	61.6
1989	51	61.6
1990	63	60.2
1991	69	60.2
1992	65	60.2
1993	35	60.2
1994	80	60.2
1995	49	60.2
1996	68	60.2
1997	49	60.2
1998	63	60.2
1999	61	60.2
2000	68	74
2001	78	74
2002	72	74
2003	87	74
2004	61	74
2005	66	74
2006	76	74
2007	81	74
2008	75	74
2009	76	74
2010	63	76.2
2011	74	76.2
2012	97	76.2
2013	83	76.2
2014	75	76.2
2015	80	76.2
2016	81	76.2
2017	85	76.2
2018	67	76.2
2019	57	76.2
2020	97	86.4
2021	83	86.4
2023	70	86.4
2024	91	86.4
2026	91	86.4

For each year, a bar from the first to the last day at McDermitt meeting 30 C (86 F).

First to last qualifying date each year at McDermitt
Year	First date	Last date
1914	1914-05-30	1914-09-24
1915	1915-06-22	1915-09-04
1916	1916-06-14	1916-09-21
1917	1917-06-15	1917-10-09
1918	1918-06-06	1918-09-20
1919	1919-05-19	1919-09-14
1973	1973-05-17	1973-09-14
1980	1980-06-18	1980-10-08
1981	1981-05-01	1981-09-19
1982	1982-06-16	1982-09-10
1983	1983-05-25	1983-09-17
1984	1984-05-29	1984-09-19
1985	1985-05-23	1985-09-01
1986	1986-05-25	1986-09-07
1987	1987-05-07	1987-10-03
1988	1988-05-15	1988-10-03
1989	1989-06-08	1989-09-24
1990	1990-06-09	1990-09-13
1991	1991-05-22	1991-10-11
1992	1992-05-05	1992-10-01
1993	1993-05-11	1993-09-29
1994	1994-06-10	1994-09-27
1995	1995-06-24	1995-09-15
1996	1996-06-03	1996-10-09
1997	1997-05-12	1997-09-30
1998	1998-06-29	1998-09-16
1999	1999-05-23	1999-09-22
2000	2000-05-22	2000-09-18
2001	2001-05-11	2001-10-01
2002	2002-05-29	2002-09-24
2003	2003-05-22	2003-09-29
2004	2004-06-03	2004-09-11
2005	2005-06-20	2005-09-08
2006	2006-05-14	2006-09-13
2007	2007-05-17	2007-09-14
2008	2008-05-17	2008-09-30
2009	2009-05-18	2009-09-29
2010	2010-06-23	2010-10-03
2011	2011-06-21	2011-09-30
2012	2012-04-22	2012-09-21
2013	2013-05-12	2013-09-15
2014	2014-05-15	2014-09-24
2015	2015-06-08	2015-09-25
2016	2016-06-01	2016-09-29
2017	2017-06-06	2017-09-13
2018	2018-06-04	2018-09-28
2019	2019-06-11	2019-09-04
2020	2020-05-28	2020-10-07
2021	2021-05-01	2021-09-26
2023	2023-05-18	2023-09-18
2024	2024-05-28	2024-10-07
2026	2026-05-10	2026-10-09

Every Fixed Threshold

Fixed thresholds at McDermitt
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	52	99	1919	91
35 C (95 F): Days	51	45	2021	42
40 C (104 F): Days	13	3	2002	1
90 F (32.2 C): Days	52	75	2020	67
100 F (37.8 C): Days	34	17	2024	14
0 C (32 F): Ice days (max	50	36	1916	2
0 C (32 F): Frost days (min	51	225	1984	111
-10 C (14 F): Days with min	51	86	1985	20
-20 C (-4 F): Days with min	42	22	2013	1
-30 C (-22 F): Days with min	3	3	1990	1
20 C (68 F): Tropical nights (min	9	2	2013	2
10 mm (0.39 in): Days with 10 mm or more rain	48	13	1973	4
25 mm (0.98 in): Days with 25 mm or more rain	11	3	1973	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	2017	1
10 cm (3.9 in): Days with 10 cm or more snowfall	19	3	1998	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

Data for McDermitt 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

McDermitt Threshold Days by Year (USC00264935)

Key Facts for McDermitt Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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