Le Grand Threshold Days by Year (USC00044884)

15 fixed thresholds counted per year at Le Grand (USC00044884): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Le Grand Thresholds

Le Grand: days with a maximum temperature at or above 30 C (86 F) in 71 years, most in 1931 with 178.
Le Grand: days with a maximum temperature at or above 35 C (95 F) in 71 years, most in 1931 with 117.
Le Grand: days with a maximum temperature at or above 90 F (32.2 C) in 71 years, most in 1931 with 143.
Le Grand: days with a maximum temperature at or above 100 F (37.8 C) in 71 years, most in 1931 with 83.
15 fixed thresholds have at least one qualifying day at Le Grand.

Days at or above 30 C (86 F)

71 years with a qualifying day

Days per year at Le Grand with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 178 in 1931.

Days at or above 30 C (86 F) per year at Le Grand
Year	Days	Decade average
1904	133	124.3
1905	128	124.3
1906	123	124.3
1907	120	124.3
1908	118	124.3
1909	124	124.3
1910	130	112.1
1911	101	112.1
1912	105	112.1
1913	119	112.1
1914	102	112.1
1915	117	112.1
1917	123	112.1
1918	99	112.1
1919	113	112.1
1920	105	108.4
1922	101	108.4
1923	130	108.4
1924	111	108.4
1925	77	108.4
1926	117	108.4
1927	87	108.4
1928	128	108.4
1929	120	108.4
1930	96	132.4
1931	178	132.4
1932	128	132.4
1933	124	132.4
1934	140	132.4
1935	126	132.4
1936	130	132.4
1937	130	132.4
1938	134	132.4
1939	138	132.4
1940	141	129.6
1941	107	129.6
1942	127	129.6
1943	127	129.6
1944	121	129.6
1945	117	129.6
1946	133	129.6
1947	136	129.6
1948	132	129.6
1949	155	129.6
1950	147	115.5
1952	122	115.5
1953	99	115.5
1954	101	115.5
1955	100	115.5
1956	108	115.5
1958	122	115.5
1959	125	115.5
1960	131	117.7
1961	109	117.7
1962	127	117.7
1963	105	117.7
1964	121	117.7
1965	112	117.7
1966	123	117.7
1967	125	117.7
1968	108	117.7
1969	116	117.7
1970	126	117.4
1971	121	117.4
1972	113	117.4
1974	128	117.4
1975	123	117.4
1976	89	117.4
1977	110	117.4
1978	112	117.4
1979	135	117.4

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

First to last qualifying date each year at Le Grand
Year	First date	Last date
1904	1904-04-09	1904-10-26
1905	1905-04-05	1905-10-13
1906	1906-05-03	1906-10-18
1907	1907-04-29	1907-10-18
1908	1908-04-11	1908-10-10
1909	1909-05-02	1909-10-14
1910	1910-04-17	1910-10-22
1911	1911-05-05	1911-10-05
1912	1912-05-13	1912-10-18
1913	1913-04-10	1913-09-28
1914	1914-04-19	1914-10-27
1915	1915-05-27	1915-10-17
1917	1917-06-06	1917-10-11
1918	1918-05-03	1918-10-13
1919	1919-04-29	1919-09-26
1920	1920-05-17	1920-10-04
1922	1922-04-11	1922-10-01
1923	1923-05-07	1923-10-11
1924	1924-05-01	1924-10-03
1925	1925-05-27	1925-09-24
1926	1926-04-25	1926-10-14
1927	1927-04-30	1927-10-23
1928	1928-04-29	1928-10-23
1929	1929-05-03	1929-11-05
1930	1930-05-19	1930-10-06
1931	1931-04-07	1931-11-08
1932	1932-03-31	1932-10-05
1933	1933-04-14	1933-10-26
1934	1934-04-06	1934-10-26
1935	1935-05-06	1935-10-10
1936	1936-05-08	1936-10-13
1937	1937-05-12	1937-10-27
1938	1938-05-10	1938-10-27
1939	1939-04-07	1939-10-23
1940	1940-04-12	1940-10-19
1941	1941-05-09	1941-10-18
1942	1942-05-06	1942-10-21
1943	1943-04-22	1943-10-15
1944	1944-05-02	1944-10-28
1945	1945-04-19	1945-10-05
1946	1946-04-16	1946-10-14
1947	1947-04-12	1947-10-06
1948	1948-04-18	1948-10-23
1949	1949-04-10	1949-11-06
1950	1950-04-18	1950-10-20
1952	1952-04-04	1952-10-07
1953	1953-04-25	1953-10-09
1954	1954-04-15	1954-10-16
1955	1955-05-11	1955-10-13
1956	1956-05-15	1956-10-02
1958	1958-05-04	1958-10-30
1959	1959-04-02	1959-10-25
1960	1960-03-20	1960-10-23
1961	1961-04-16	1961-10-18
1962	1962-04-12	1962-10-03
1963	1963-05-16	1963-10-19
1964	1964-04-14	1964-10-22
1965	1965-04-26	1965-10-27
1966	1966-04-01	1966-11-01
1967	1967-05-08	1967-10-20
1968	1968-04-28	1968-09-29
1969	1969-05-10	1969-10-02
1970	1970-05-02	1970-10-11
1971	1971-04-05	1971-10-14
1972	1972-03-08	1972-10-08
1974	1974-05-07	1974-10-18
1975	1975-05-12	1975-10-06
1976	1976-05-12	1976-10-14
1977	1977-04-06	1977-10-16
1978	1978-05-09	1978-10-25
1979	1979-05-12	1979-10-06

Every Fixed Threshold

Fixed thresholds at Le Grand
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	71	178	1931	135
35 C (95 F): Days	71	117	1931	59
40 C (104 F): Days	64	59	1931	2
45 C (113 F): Days	8	5	1906	3
90 F (32.2 C): Days	71	143	1931	102
100 F (37.8 C): Days	71	83	1931	27
110 F (43.3 C): Days	19	19	1931	11
0 C (32 F): Ice days (max	1	1	1972	1
0 C (32 F): Frost days (min	71	79	1920	26
-10 C (14 F): Days with min	2	2	1913	1
20 C (68 F): Tropical nights (min	62	36	1922	6
25 C (77 F): Days with min	12	7	1920	1
10 mm (0.39 in): Days with 10 mm or more rain	59	24	1906	14
25 mm (0.98 in): Days with 25 mm or more rain	46	6	1958	2
50 mm (1.97 in): Days with 50 mm or more rain	4	1	1938	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Le Grand 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).

Le Grand Threshold Days by Year (USC00044884)

Key Facts for Le Grand Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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