Vale Threshold Days by Year

20 fixed thresholds counted per year at Vale (USC00398552): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vale Thresholds

Vale: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1922 with 21.
Vale: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 1916 with 199.
Vale: nights with a minimum temperature at or below -10 C (14 F) in 66 years, most in 1955 with 105.
Vale: nights with a minimum temperature at or below -20 C (-4 F) in 66 years, most in 1916 with 48.
20 fixed thresholds have at least one qualifying day at Vale.

Days at or above 30 C (86 F)

65 years with a qualifying day

Days per year at Vale with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 1936.

Days at or above 30 C (86 F) per year at Vale
Year	Days	Decade average
1911	69	47.8
1912	32	47.8
1913	56	47.8
1914	71	47.8
1915	11	47.8
1916	46	47.8
1917	43	47.8
1919	54	47.8
1920	47	42.2
1921	59	42.2
1922	43	42.2
1923	38	42.2
1924	36	42.2
1925	43	42.2
1926	40	42.2
1927	23	42.2
1928	31	42.2
1929	62	42.2
1930	59	71.4
1931	84	71.4
1932	64	71.4
1933	75	71.4
1934	76	71.4
1935	66	71.4
1936	100	71.4
1937	70	71.4
1938	52	71.4
1939	68	71.4
1940	64	55.4
1941	59	55.4
1942	48	55.4
1943	74	55.4
1944	43	55.4
1945	48	55.4
1946	40	55.4
1947	59	55.4
1948	49	55.4
1949	70	55.4
1950	45	52.6
1951	32	52.6
1952	63	52.6
1953	42	52.6
1954	48	52.6
1955	72	52.6
1956	56	52.6
1957	50	52.6
1958	47	52.6
1959	71	52.6
1960	61	49.9
1961	65	49.9
1962	29	49.9
1964	58	49.9
1965	29	49.9
1966	59	49.9
1967	44	49.9
1968	40	49.9
1969	64	49.9
1970	80	58.6
1971	64	58.6
1972	50	58.6
1973	55	58.6
1974	56	58.6
1975	51	58.6
1976	66	58.6
1977	47	58.6

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

First to last qualifying date each year at Vale
Year	First date	Last date
1911	1911-04-27	1911-09-12
1912	1912-06-23	1912-10-04
1913	1913-04-27	1913-09-14
1914	1914-05-30	1914-10-17
1915	1915-07-11	1915-09-01
1916	1916-05-06	1916-09-30
1917	1917-05-15	1917-09-23
1919	1919-05-26	1919-09-12
1920	1920-06-08	1920-10-07
1921	1921-05-20	1921-09-25
1922	1922-06-04	1922-10-04
1923	1923-04-18	1923-09-21
1924	1924-06-13	1924-09-30
1925	1925-05-19	1925-09-25
1926	1926-04-15	1926-09-20
1927	1927-06-19	1927-10-17
1928	1928-05-06	1928-10-10
1929	1929-05-13	1929-10-05
1930	1930-05-20	1930-09-22
1931	1931-05-14	1931-10-01
1932	1932-05-12	1932-10-01
1933	1933-05-31	1933-10-13
1934	1934-05-05	1934-10-07
1935	1935-06-23	1935-10-15
1936	1936-04-19	1936-10-08
1937	1937-05-27	1937-10-28
1938	1938-05-28	1938-10-03
1939	1939-04-22	1939-09-22
1940	1940-05-11	1940-09-12
1941	1941-05-11	1941-09-19
1942	1942-04-14	1942-09-11
1943	1943-03-29	1943-10-10
1944	1944-05-12	1944-09-08
1945	1945-06-21	1945-09-06
1946	1946-06-06	1946-09-16
1947	1947-06-08	1947-10-21
1948	1948-05-17	1948-09-23
1949	1949-04-28	1949-10-05
1950	1950-05-22	1950-09-07
1951	1951-04-29	1951-08-23
1952	1952-04-26	1952-09-26
1953	1953-06-12	1953-10-01
1954	1954-05-20	1954-09-12
1955	1955-04-26	1955-09-15
1956	1956-05-24	1956-10-12
1957	1957-05-02	1957-10-02
1958	1958-04-16	1958-10-13
1959	1959-04-30	1959-09-14
1960	1960-05-12	1960-10-04
1961	1961-05-10	1961-09-16
1962	1962-04-20	1962-09-07
1964	1964-05-18	1964-09-17
1965	1965-07-04	1965-10-15
1966	1966-05-07	1966-09-12
1967	1967-05-22	1967-09-30
1968	1968-06-02	1968-09-15
1969	1969-05-14	1969-09-20
1970	1970-05-17	1970-09-20
1971	1971-06-10	1971-09-13
1972	1972-05-15	1972-09-19
1973	1973-05-17	1973-09-08
1974	1974-04-24	1974-10-21
1975	1975-06-24	1975-09-16
1976	1976-05-14	1976-09-17
1977	1977-04-09	1977-09-14

Every Fixed Threshold

Fixed thresholds at Vale
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	65	100	1936	47
35 C (95 F): Days	64	53	1936	11
40 C (104 F): Days	24	24	1936	2
45 C (113 F): Days	1	1	1936	1
90 F (32.2 C): Days	65	79	1936	25
100 F (37.8 C): Days	46	34	1936	3
110 F (43.3 C): Days	3	4	1936	4
0 C (32 F): Ice days (max	65	71	1937	49
0 C (32 F): Frost days (min	66	199	1916	170
-10 C (14 F): Days with min	66	105	1955	69
-20 C (-4 F): Days with min	66	48	1916	22
-30 C (-22 F): Days with min	53	11	1936	2
20 C (68 F): Tropical nights (min	44	11	1933	3
25 C (77 F): Days with min	3	1	1932	1
10 mm (0.39 in): Days with 10 mm or more rain	67	21	1922	16
25 mm (0.98 in): Days with 25 mm or more rain	60	11	1946	5
50 mm (1.97 in): Days with 50 mm or more rain	21	3	1941	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1920	1
10 cm (3.9 in): Days with 10 cm or more snowfall	32	7	1970	5
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1967	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

Data for Vale 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).

Vale Threshold Days by Year

Key Facts for Vale Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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