Grenfell Threshold Days by Year (CA004013030)

18 fixed thresholds counted per year at Grenfell (CA004013030): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grenfell Thresholds

Grenfell: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 1945 with 233.
Grenfell: nights with a minimum temperature at or below -10 C (14 F) in 66 years, most in 1893 with 140.
Grenfell: nights with a minimum temperature at or below -20 C (-4 F) in 66 years, most in 1936 with 84.
Grenfell: nights with a minimum temperature at or below -30 C (-22 F) in 66 years, most in 1936 with 43.
18 fixed thresholds have at least one qualifying day at Grenfell.

Days at or above 30 C (86 F)

64 years with a qualifying day

Days per year at Grenfell with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 42 in 1961.

Days at or above 30 C (86 F) per year at Grenfell
Year	Days	Decade average
1890	11	13
1892	7	13
1893	14	13
1894	28	13
1895	5	13
1903	2	6.2
1905	5	6.2
1906	13	6.2
1907	1	6.2
1908	10	6.2
1910	13	18.4
1912	10	18.4
1913	9	18.4
1914	28	18.4
1915	18	18.4
1916	18	18.4
1917	28	18.4
1918	20	18.4
1919	22	18.4
1920	19	15.5
1921	9	15.5
1928	10	15.5
1929	24	15.5
1930	19	24
1931	32	24
1932	17	24
1933	25	24
1934	28	24
1935	9	24
1936	34	24
1937	32	24
1938	18	24
1939	26	24
1940	26	16.4
1941	24	16.4
1942	6	16.4
1943	15	16.4
1944	8	16.4
1945	14	16.4
1946	19	16.4
1947	19	16.4
1957	7	13.7
1958	17	13.7
1959	17	13.7
1960	18	16.2
1961	42	16.2
1962	6	16.2
1963	14	16.2
1964	12	16.2
1965	10	16.2
1966	11	16.2
1967	22	16.2
1968	9	16.2
1969	18	16.2
1970	18	11
1971	12	11
1972	14	11
1973	10	11
1974	12	11
1975	13	11
1976	7	11
1977	5	11
1978	8	11
1981	23	23

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

First to last qualifying date each year at Grenfell
Year	First date	Last date
1890	1890-06-09	1890-09-30
1892	1892-07-05	1892-08-14
1893	1893-05-17	1893-09-07
1894	1894-06-07	1894-09-11
1895	1895-07-02	1895-09-02
1903	1903-05-13	1903-07-22
1905	1905-06-03	1905-08-26
1906	1906-07-08	1906-09-08
1907	1907-08-09	1907-08-09
1908	1908-07-08	1908-09-16
1910	1910-06-16	1910-10-09
1912	1912-05-25	1912-07-01
1913	1913-05-27	1913-09-05
1914	1914-06-01	1914-09-18
1915	1915-04-13	1915-09-04
1916	1916-07-05	1916-09-07
1917	1917-05-15	1917-09-23
1918	1918-05-04	1918-08-08
1919	1919-05-27	1919-08-18
1920	1920-07-03	1920-10-07
1921	1921-06-08	1921-08-31
1928	1928-05-06	1928-09-18
1929	1929-06-09	1929-08-31
1930	1930-05-03	1930-08-30
1931	1931-05-13	1931-08-25
1932	1932-05-13	1932-09-08
1933	1933-06-03	1933-09-04
1934	1934-05-09	1934-10-12
1935	1935-07-15	1935-08-14
1936	1936-05-15	1936-09-13
1937	1937-05-28	1937-08-27
1938	1938-06-20	1938-09-22
1939	1939-04-30	1939-09-11
1940	1940-05-11	1940-09-17
1941	1941-05-24	1941-09-18
1942	1942-04-22	1942-09-09
1943	1943-07-03	1943-10-04
1944	1944-05-27	1944-08-06
1945	1945-06-21	1945-09-05
1946	1946-05-28	1946-09-16
1947	1947-07-02	1947-09-04
1957	1957-07-09	1957-07-31
1958	1958-05-12	1958-09-01
1959	1959-06-14	1959-08-28
1960	1960-05-12	1960-08-19
1961	1961-05-29	1961-08-31
1962	1962-06-25	1962-08-21
1963	1963-07-05	1963-09-10
1964	1964-05-17	1964-10-13
1965	1965-06-11	1965-08-23
1966	1966-06-20	1966-09-07
1967	1967-06-27	1967-09-10
1968	1968-04-30	1968-09-12
1969	1969-05-26	1969-09-13
1970	1970-06-03	1970-08-26
1971	1971-07-20	1971-09-11
1972	1972-05-31	1972-08-30
1973	1973-06-23	1973-08-30
1974	1974-06-19	1974-08-06
1975	1975-06-24	1975-08-06
1976	1976-07-24	1976-09-11
1977	1977-05-12	1977-07-22
1978	1978-05-15	1978-09-10
1981	1981-05-20	1981-09-18

Every Fixed Threshold

Fixed thresholds at Grenfell
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	64	42	1961	23
35 C (95 F): Days	42	11	1931	3
40 C (104 F): Days	3	2	1931	1
90 F (32.2 C): Days	61	26	1961	5
100 F (37.8 C): Days	15	5	1931	1
110 F (43.3 C): Days	2	1	1936	1
0 C (32 F): Ice days (max	65	141	1893	76
0 C (32 F): Frost days (min	66	233	1945	159
-10 C (14 F): Days with min	66	140	1893	56
-20 C (-4 F): Days with min	66	84	1936	20
-30 C (-22 F): Days with min	66	43	1936	3
-40 C (-40 F): Days with min	26	7	1936	2
20 C (68 F): Tropical nights (min	23	2	1895	1
10 mm (0.39 in): Days with 10 mm or more rain	62	21	1913	8
25 mm (0.98 in): Days with 25 mm or more rain	54	6	1938	3
50 mm (1.97 in): Days with 50 mm or more rain	9	2	1946	1
10 cm (3.9 in): Days with 10 cm or more snowfall	53	8	1938	3
25 cm (9.8 in): Days with 25 cm or more snowfall	11	2	1917	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1890.

Download the Data

Data for Grenfell 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).

Grenfell Threshold Days by Year (CA004013030)

Key Facts for Grenfell Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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