Garden Valley Threshold Days by Year (USC00103448)

18 fixed thresholds counted per year at Garden Valley (USC00103448): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Garden Valley Thresholds

Garden Valley: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1996 with 43.
Garden Valley: days with a maximum temperature at or above 30 C (86 F) in 73 years, most in 1960 with 103.
Garden Valley: days with a maximum temperature at or above 35 C (95 F) in 73 years, most in 1961 with 53.
Garden Valley: days with a maximum temperature at or above 90 F (32.2 C) in 73 years, most in 1940 with 76.
18 fixed thresholds have at least one qualifying day at Garden Valley.

Days at or above 30 C (86 F)

73 years with a qualifying day

Days per year at Garden Valley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 103 in 1960.

Days at or above 30 C (86 F) per year at Garden Valley
Year	Days	Decade average
1894	50	50
1917	76	80.5
1919	85	80.5
1921	62	62
1934	86	80.5
1937	79	80.5
1938	73	80.5
1939	84	80.5
1940	88	74.5
1944	69	74.5
1945	70	74.5
1946	75	74.5
1947	71	74.5
1948	74	74.5
1950	69	75.5
1951	61	75.5
1952	87	75.5
1953	71	75.5
1954	69	75.5
1955	74	75.5
1956	75	75.5
1957	86	75.5
1958	87	75.5
1959	76	75.5
1960	103	75.9
1961	95	75.9
1962	63	75.9
1963	72	75.9
1964	58	75.9
1965	53	75.9
1966	89	75.9
1967	93	75.9
1968	61	75.9
1969	72	75.9
1970	76	76.7
1971	67	76.7
1972	69	76.7
1973	90	76.7
1974	83	76.7
1977	72	76.7
1979	80	76.7
1980	44	65.3
1985	62	65.3
1986	78	65.3
1987	77	65.3
1992	61	60.9
1993	35	60.9
1994	85	60.9
1995	50	60.9
1996	62	60.9
1997	56	60.9
1998	69	60.9
1999	69	60.9
2000	70	71.5
2001	77	71.5
2002	68	71.5
2003	87	71.5
2004	62	71.5
2005	62	71.5
2006	68	71.5
2007	81	71.5
2008	71	71.5
2009	69	71.5
2010	61	66.7
2011	72	66.7
2012	80	66.7
2013	84	66.7
2014	64	66.7
2015	61	66.7
2016	60	66.7
2017	81	66.7
2018	51	66.7
2019	53	66.7

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

First to last qualifying date each year at Garden Valley
Year	First date	Last date
1894	1894-05-30	1894-08-28
1917	1917-06-14	1917-09-21
1919	1919-05-14	1919-09-24
1921	1921-06-10	1921-10-06
1934	1934-04-21	1934-09-30
1937	1937-05-24	1937-09-19
1938	1938-05-26	1938-09-27
1939	1939-04-28	1939-09-24
1940	1940-05-09	1940-09-11
1944	1944-05-14	1944-09-25
1945	1945-05-03	1945-09-14
1946	1946-04-25	1946-09-15
1947	1947-05-01	1947-09-25
1948	1948-05-25	1948-09-22
1950	1950-06-04	1950-09-08
1951	1951-05-22	1951-09-25
1952	1952-06-04	1952-10-09
1953	1953-06-11	1953-09-30
1954	1954-05-09	1954-09-27
1955	1955-06-07	1955-09-14
1956	1956-05-17	1956-09-26
1957	1957-06-01	1957-10-01
1958	1958-05-18	1958-10-05
1959	1959-05-13	1959-09-12
1960	1960-05-11	1960-10-05
1961	1961-05-19	1961-09-15
1962	1962-06-18	1962-09-27
1963	1963-05-22	1963-09-29
1964	1964-05-16	1964-09-13
1965	1965-06-07	1965-10-09
1966	1966-05-02	1966-09-24
1967	1967-05-21	1967-09-29
1968	1968-06-02	1968-09-13
1969	1969-06-03	1969-09-27
1970	1970-05-16	1970-09-29
1971	1971-05-27	1971-09-12
1972	1972-05-28	1972-09-05
1973	1973-05-14	1973-09-14
1974	1974-06-10	1974-09-25
1977	1977-04-23	1977-09-12
1979	1979-05-23	1979-10-09
1980	1980-05-21	1980-09-10
1985	1985-05-02	1985-08-30
1986	1986-05-27	1986-09-08
1987	1987-04-27	1987-10-04
1992	1992-05-06	1992-10-02
1993	1993-05-11	1993-10-04
1994	1994-04-20	1994-09-28
1995	1995-06-25	1995-09-15
1996	1996-06-07	1996-10-09
1997	1997-05-14	1997-10-02
1998	1998-06-29	1998-09-17
1999	1999-05-23	1999-09-24
2000	2000-06-03	2000-09-16
2001	2001-05-12	2001-09-25
2002	2002-05-19	2002-09-15
2003	2003-05-24	2003-10-01
2004	2004-06-03	2004-09-28
2005	2005-06-20	2005-09-09
2006	2006-05-14	2006-09-13
2007	2007-05-16	2007-09-15
2008	2008-05-17	2008-10-02
2009	2009-05-18	2009-09-26
2010	2010-06-23	2010-10-03
2011	2011-06-22	2011-10-01
2012	2012-04-23	2012-09-19
2013	2013-05-12	2013-09-16
2014	2014-06-03	2014-09-25
2015	2015-05-31	2015-09-30
2016	2016-06-04	2016-09-30
2017	2017-05-30	2017-09-14
2018	2018-04-27	2018-09-08
2019	2019-06-12	2019-09-17

Every Fixed Threshold

Fixed thresholds at Garden Valley
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	73	103	1960	53
35 C (95 F): Days	73	53	1961	5
40 C (104 F): Days	28	8	1960	2
90 F (32.2 C): Days	73	76	1940	32
100 F (37.8 C): Days	62	24	1961	3
110 F (43.3 C): Days	2	2	1961	2
0 C (32 F): Ice days (max	73	58	1894	28
0 C (32 F): Frost days (min	73	208	1986	164
-10 C (14 F): Days with min	73	75	1985	32
-20 C (-4 F): Days with min	55	14	1979	2
-30 C (-22 F): Days with min	7	2	1950	1
20 C (68 F): Tropical nights (min	5	3	1940	1
10 mm (0.39 in): Days with 10 mm or more rain	82	43	1996	21
25 mm (0.98 in): Days with 25 mm or more rain	71	11	1996	2
50 mm (1.97 in): Days with 50 mm or more rain	8	1	1919	1
10 cm (3.9 in): Days with 10 cm or more snowfall	57	14	1996	5
25 cm (9.8 in): Days with 25 cm or more snowfall	23	3	2004	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	0	n/a	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Garden Valley 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Garden Valley Threshold Days by Year (USC00103448)

Key Facts for Garden Valley Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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