Stratford Threshold Days by Year (CA006148100)

17 fixed thresholds counted per year at Stratford (CA006148100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stratford Thresholds

Stratford: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1884 with 54.
Stratford: days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 1884 with 18.
Stratford: days with 10 cm (3.9 in) or more of snowfall in 75 years, most in 1940 with 13.
Stratford: days with a maximum temperature at or above 30 C (86 F) in 71 years, most in 1921 with 39.
17 fixed thresholds have at least one qualifying day at Stratford.

Days at or above 30 C (86 F)

71 years with a qualifying day

Days per year at Stratford with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 39 in 1921.

Days at or above 30 C (86 F) per year at Stratford
Year	Days	Decade average
1877	19	16
1878	16	16
1879	13	16
1880	8	11.3
1881	34	11.3
1882	3	11.3
1883	2	11.3
1884	11	11.3
1885	3	11.3
1886	6	11.3
1887	28	11.3
1888	7	11.3
1894	13	11.8
1895	17	11.8
1896	12	11.8
1897	9	11.8
1898	11	11.8
1899	9	11.8
1900	15	8
1901	15	8
1902	5	8
1904	4	8
1905	2	8
1906	10	8
1907	4	8
1908	10	8
1909	7	8
1911	24	25.2
1916	33	25.2
1917	12	25.2
1918	23	25.2
1919	34	25.2
1920	14	17
1921	39	17
1922	17	17
1923	26	17
1924	8	17
1925	22	17
1926	9	17
1927	9	17
1928	7	17
1929	19	17
1930	14	21.5
1931	20	21.5
1932	10	21.5
1933	27	21.5
1934	27	21.5
1935	21	21.5
1936	33	21.5
1937	25	21.5
1938	18	21.5
1939	20	21.5
1940	11	11.5
1941	26	11.5
1942	6	11.5
1943	11	11.5
1944	17	11.5
1945	4	11.5
1946	4	11.5
1947	11	11.5
1948	10	11.5
1949	15	11.5
1950	1	10
1951	2	10
1952	14	10
1953	16	10
1954	7	10
1955	36	10
1956	5	10
1957	8	10
1958	1	10

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

First to last qualifying date each year at Stratford
Year	First date	Last date
1877	1877-05-19	1877-08-22
1878	1878-06-28	1878-08-08
1879	1879-05-13	1879-09-01
1880	1880-05-25	1880-09-01
1881	1881-05-12	1881-09-10
1882	1882-07-25	1882-07-27
1883	1883-07-04	1883-07-05
1884	1884-06-22	1884-09-10
1885	1885-07-24	1885-07-31
1886	1886-07-05	1886-08-13
1887	1887-05-20	1887-09-13
1888	1888-05-23	1888-08-11
1894	1894-06-22	1894-09-03
1895	1895-05-05	1895-09-22
1896	1896-06-07	1896-08-10
1897	1897-07-03	1897-09-10
1898	1898-06-24	1898-09-03
1899	1899-06-04	1899-07-26
1900	1900-06-26	1900-09-11
1901	1901-06-12	1901-07-28
1902	1902-05-22	1902-07-14
1904	1904-06-26	1904-07-20
1905	1905-07-18	1905-08-10
1906	1906-06-29	1906-09-18
1907	1907-06-18	1907-08-11
1908	1908-06-19	1908-08-04
1909	1909-06-21	1909-08-25
1911	1911-05-20	1911-08-11
1916	1916-07-07	1916-09-07
1917	1917-07-21	1917-08-20
1918	1918-06-10	1918-08-23
1919	1919-05-29	1919-09-08
1920	1920-06-10	1920-09-26
1921	1921-05-20	1921-09-10
1922	1922-06-07	1922-09-10
1923	1923-06-02	1923-09-28
1924	1924-06-20	1924-08-31
1925	1925-06-01	1925-08-31
1926	1926-06-29	1926-08-06
1927	1927-06-29	1927-09-15
1928	1928-07-07	1928-08-28
1929	1929-05-29	1929-09-05
1930	1930-05-07	1930-09-12
1931	1931-05-30	1931-09-21
1932	1932-07-13	1932-08-31
1933	1933-06-08	1933-09-08
1934	1934-05-20	1934-08-19
1935	1935-07-04	1935-09-18
1936	1936-05-08	1936-09-23
1937	1937-05-31	1937-09-24
1938	1938-06-20	1938-08-20
1939	1939-05-31	1939-09-16
1940	1940-06-07	1940-08-10
1941	1941-05-21	1941-09-16
1942	1942-07-13	1942-08-22
1943	1943-06-15	1943-09-01
1944	1944-06-27	1944-08-16
1945	1945-06-29	1945-09-07
1946	1946-06-30	1946-07-19
1947	1947-06-29	1947-08-25
1948	1948-07-10	1948-09-05
1949	1949-05-05	1949-08-26
1950	1950-08-17	1950-08-17
1951	1951-07-30	1951-08-30
1952	1952-06-24	1952-09-14
1953	1953-06-20	1953-09-04
1954	1954-06-10	1954-08-24
1955	1955-06-17	1955-09-19
1956	1956-06-12	1956-07-01
1957	1957-06-17	1957-08-03
1958	1958-09-06	1958-09-06

Every Fixed Threshold

Fixed thresholds at Stratford
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	71	39	1921	1
35 C (95 F): Days	21	8	1936	5
90 F (32.2 C): Days	52	22	1955	1
100 F (37.8 C): Days	3	6	1936	6
0 C (32 F): Ice days (max	71	100	1904	79
0 C (32 F): Frost days (min	71	183	1925	155
-10 C (14 F): Days with min	71	91	1883	56
-20 C (-4 F): Days with min	64	36	1885	8
-30 C (-22 F): Days with min	12	3	1885	3
20 C (68 F): Tropical nights (min	57	13	1900	1
25 C (77 F): Days with min	2	2	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	76	54	1884	25
25 mm (0.98 in): Days with 25 mm or more rain	75	18	1884	4
50 mm (1.97 in): Days with 50 mm or more rain	36	4	1905	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1905	1
10 cm (3.9 in): Days with 10 cm or more snowfall	75	13	1940	6
25 cm (9.8 in): Days with 25 cm or more snowfall	20	2	1884	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1877.

Download the Data

Data for Stratford 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).

Stratford Threshold Days by Year (CA006148100)

Key Facts for Stratford Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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