Valmora Threshold Days by Year (USC00299330)

17 fixed thresholds counted per year at Valmora (USC00299330): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Valmora Thresholds

Valmora: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 1919 with 28.
Valmora: days with a maximum temperature at or above 30 C (86 F) in 83 years, most in 2011 with 95.
Valmora: days with a maximum temperature at or above 90 F (32.2 C) in 82 years, most in 2011 with 44.
Valmora: days with a maximum temperature at or below 0 C (32 F) in 81 years, most in 1997 with 23.
17 fixed thresholds have at least one qualifying day at Valmora.

Days at or above 30 C (86 F)

83 years with a qualifying day

Days per year at Valmora with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 95 in 2011.

Days at or above 30 C (86 F) per year at Valmora
Year	Days	Decade average
1918	60	44
1919	28	44
1920	23	30.6
1921	13	30.6
1922	65	30.6
1927	21	30.6
1928	31	30.6
1930	33	40.3
1931	36	40.3
1932	32	40.3
1933	28	40.3
1934	64	40.3
1936	53	40.3
1937	47	40.3
1938	29	40.3
1939	41	40.3
1940	14	30.6
1942	26	30.6
1943	39	30.6
1944	33	30.6
1945	35	30.6
1948	42	30.6
1949	25	30.6
1950	21	40.6
1951	48	40.6
1952	49	40.6
1953	55	40.6
1954	57	40.6
1955	25	40.6
1956	59	40.6
1957	36	40.6
1958	34	40.6
1959	22	40.6
1960	43	32.5
1961	27	32.5
1962	34	32.5
1963	44	32.5
1964	41	32.5
1965	11	32.5
1966	34	32.5
1967	20	32.5
1968	27	32.5
1969	44	32.5
1970	53	40.8
1971	39	40.8
1972	18	40.8
1973	33	40.8
1974	58	40.8
1975	32	40.8
1976	30	40.8
1977	41	40.8
1978	63	40.8
1979	41	40.8
1980	64	43
1981	35	43
1982	18	43
1983	59	43
1984	44	43
1987	37	43
1988	38	43
1989	49	43
1990	38	37.5
1991	19	37.5
1992	29	37.5
1993	31	37.5
1994	55	37.5
1995	49	37.5
1996	33	37.5
1997	42	37.5
1998	48	37.5
1999	31	37.5
2005	50	52.4
2006	50	52.4
2007	57	52.4
2008	44	52.4
2009	61	52.4
2010	81	66
2011	95	66
2012	85	66
2014	51	66
2015	53	66
2016	58	66
2017	39	66

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

First to last qualifying date each year at Valmora
Year	First date	Last date
1918	1918-05-23	1918-09-14
1919	1919-06-22	1919-09-03
1920	1920-05-19	1920-09-19
1921	1921-06-23	1921-09-14
1922	1922-06-09	1922-10-05
1927	1927-05-16	1927-07-31
1928	1928-06-01	1928-09-12
1930	1930-06-12	1930-09-19
1931	1931-06-13	1931-09-05
1932	1932-06-20	1932-09-17
1933	1933-06-27	1933-09-29
1934	1934-05-06	1934-08-20
1936	1936-05-02	1936-09-06
1937	1937-05-17	1937-09-03
1938	1938-05-28	1938-08-28
1939	1939-06-09	1939-09-11
1940	1940-06-17	1940-09-09
1942	1942-06-17	1942-08-02
1943	1943-06-09	1943-09-13
1944	1944-06-19	1944-10-01
1945	1945-06-24	1945-09-21
1948	1948-06-16	1948-09-21
1949	1949-06-17	1949-09-04
1950	1950-06-11	1950-09-03
1951	1951-05-28	1951-09-07
1952	1952-06-08	1952-09-06
1953	1953-05-23	1953-10-10
1954	1954-06-13	1954-09-20
1955	1955-06-17	1955-09-15
1956	1956-05-30	1956-09-21
1957	1957-06-07	1957-08-16
1958	1958-05-30	1958-09-21
1959	1959-06-12	1959-09-07
1960	1960-06-05	1960-09-15
1961	1961-06-13	1961-08-11
1962	1962-05-08	1962-10-14
1963	1963-05-16	1963-09-20
1964	1964-05-24	1964-09-09
1965	1965-06-30	1965-08-27
1966	1966-05-09	1966-09-25
1967	1967-05-24	1967-09-22
1968	1968-05-31	1968-08-09
1969	1969-05-29	1969-08-25
1970	1970-05-18	1970-09-12
1971	1971-06-17	1971-09-14
1972	1972-06-20	1972-08-02
1973	1973-06-25	1973-09-10
1974	1974-05-28	1974-09-12
1975	1975-06-26	1975-09-03
1976	1976-06-10	1976-09-12
1977	1977-06-02	1977-09-30
1978	1978-05-16	1978-09-17
1979	1979-06-15	1979-10-12
1980	1980-06-06	1980-10-02
1981	1981-06-08	1981-09-22
1982	1982-06-24	1982-07-27
1983	1983-06-18	1983-09-20
1984	1984-05-11	1984-09-13
1987	1987-06-22	1987-08-21
1988	1988-05-14	1988-09-08
1989	1989-04-20	1989-09-07
1990	1990-06-02	1990-08-31
1991	1991-05-18	1991-07-19
1992	1992-06-17	1992-09-24
1993	1993-06-13	1993-08-11
1994	1994-06-10	1994-09-30
1995	1995-06-13	1995-09-05
1996	1996-05-13	1996-08-16
1997	1997-06-20	1997-09-19
1998	1998-06-02	1998-09-29
1999	1999-06-24	1999-09-02
2005	2005-05-21	2005-09-28
2006	2006-05-20	2006-08-25
2007	2007-06-17	2007-09-17
2008	2008-05-20	2008-09-07
2009	2009-05-06	2009-09-28
2010	2010-05-28	2010-10-02
2011	2011-05-28	2011-10-16
2012	2012-05-11	2012-09-24
2014	2014-06-02	2014-09-11
2015	2015-06-19	2015-10-02
2016	2016-06-08	2016-09-20
2017	2017-06-06	2017-07-27

Every Fixed Threshold

Fixed thresholds at Valmora
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	83	95	2011	39
35 C (95 F): Days	43	21	2016	5
90 F (32.2 C): Days	82	44	2011	24
100 F (37.8 C): Days	5	1	1963	1
0 C (32 F): Ice days (max	81	23	1997	1
0 C (32 F): Frost days (min	77	209	1961	185
-10 C (14 F): Days with min	77	71	1974	31
-20 C (-4 F): Days with min	65	11	1963	1
-30 C (-22 F): Days with min	14	3	1971	1
20 C (68 F): Tropical nights (min	3	1	1918	1
10 mm (0.39 in): Days with 10 mm or more rain	85	28	1919	24
25 mm (0.98 in): Days with 25 mm or more rain	80	8	1942	5
50 mm (1.97 in): Days with 50 mm or more rain	27	3	1975	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1942	1
10 cm (3.9 in): Days with 10 cm or more snowfall	63	8	1987	3
25 cm (9.8 in): Days with 25 cm or more snowfall	15	2	1940	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 1918.

Download the Data

Data for Valmora 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).

Valmora Threshold Days by Year (USC00299330)

Key Facts for Valmora Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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