Nashlyn Threshold Days by Year (CA004035480)

17 fixed thresholds counted per year at Nashlyn (CA004035480): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nashlyn Thresholds

Nashlyn: nights with a minimum temperature at or below 0 C (32 F) in 59 years, most in 1956 with 240.
Nashlyn: nights with a minimum temperature at or below -10 C (14 F) in 59 years, most in 1955 with 149.
Nashlyn: nights with a minimum temperature at or below -20 C (-4 F) in 59 years, most in 1955 with 87.
Nashlyn: nights with a minimum temperature at or below -30 C (-22 F) in 59 years, most in 1916 with 36.
17 fixed thresholds have at least one qualifying day at Nashlyn.

Days at or above 30 C (86 F)

58 years with a qualifying day

Days per year at Nashlyn with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 1936.

Days at or above 30 C (86 F) per year at Nashlyn
Year	Days	Decade average
1914	33	32.2
1916	10	32.2
1917	36	32.2
1918	34	32.2
1919	48	32.2
1920	39	29.4
1921	34	29.4
1922	35	29.4
1924	26	29.4
1925	27	29.4
1926	29	29.4
1927	9	29.4
1929	36	29.4
1930	35	38.9
1931	38	38.9
1932	16	38.9
1933	34	38.9
1934	33	38.9
1935	35	38.9
1936	60	38.9
1937	52	38.9
1938	47	38.9
1940	28	27.9
1941	30	27.9
1942	18	27.9
1943	31	27.9
1944	21	27.9
1945	33	27.9
1946	30	27.9
1948	31	27.9
1949	29	27.9
1950	13	21.4
1951	17	21.4
1952	14	21.4
1953	24	21.4
1954	16	21.4
1955	20	21.4
1956	20	21.4
1957	25	21.4
1958	39	21.4
1959	26	21.4
1962	16	22.9
1963	27	22.9
1964	24	22.9
1965	12	22.9
1966	21	22.9
1967	34	22.9
1968	17	22.9
1969	32	22.9
1970	36	22.2
1971	30	22.2
1972	23	22.2
1973	26	22.2
1974	15	22.2
1975	15	22.2
1976	17	22.2
1977	16	22.2
1978	22	22.2

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

First to last qualifying date each year at Nashlyn
Year	First date	Last date
1914	1914-05-31	1914-08-16
1916	1916-07-06	1916-08-23
1917	1917-05-14	1917-09-22
1918	1918-06-09	1918-08-26
1919	1919-05-22	1919-08-31
1920	1920-07-01	1920-10-05
1921	1921-06-08	1921-08-31
1922	1922-05-24	1922-09-27
1924	1924-05-15	1924-09-04
1925	1925-05-20	1925-09-03
1926	1926-06-04	1926-08-29
1927	1927-07-07	1927-09-06
1929	1929-06-28	1929-08-31
1930	1930-06-07	1930-09-05
1931	1931-05-13	1931-09-06
1932	1932-06-22	1932-09-07
1933	1933-05-30	1933-08-18
1934	1934-05-15	1934-08-28
1935	1935-06-22	1935-09-21
1936	1936-05-14	1936-09-23
1937	1937-06-02	1937-09-19
1938	1938-05-27	1938-09-27
1940	1940-06-25	1940-09-03
1941	1941-05-12	1941-08-23
1942	1942-07-02	1942-09-08
1943	1943-07-06	1943-10-05
1944	1944-05-16	1944-09-13
1945	1945-06-21	1945-09-03
1946	1946-06-21	1946-09-14
1948	1948-05-18	1948-09-22
1949	1949-04-28	1949-08-22
1950	1950-06-20	1950-09-04
1951	1951-05-23	1951-08-22
1952	1952-07-04	1952-09-26
1953	1953-05-07	1953-09-08
1954	1954-05-19	1954-08-30
1955	1955-07-13	1955-09-02
1956	1956-05-27	1956-08-24
1957	1957-06-04	1957-09-06
1958	1958-05-11	1958-09-11
1959	1959-06-03	1959-09-13
1962	1962-06-24	1962-08-25
1963	1963-05-30	1963-09-26
1964	1964-05-19	1964-08-18
1965	1965-07-17	1965-08-12
1966	1966-05-26	1966-09-18
1967	1967-07-04	1967-09-29
1968	1968-06-19	1968-09-11
1969	1969-06-04	1969-09-12
1970	1970-06-03	1970-08-31
1971	1971-05-27	1971-08-28
1972	1972-05-31	1972-08-29
1973	1973-06-13	1973-08-21
1974	1974-06-19	1974-08-05
1975	1975-07-04	1975-08-28
1976	1976-07-11	1976-09-05
1977	1977-06-01	1977-08-18
1978	1978-06-05	1978-09-04

Every Fixed Threshold

Fixed thresholds at Nashlyn
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	58	60	1936	22
35 C (95 F): Days	49	30	1936	2
40 C (104 F): Days	6	3	1936	1
90 F (32.2 C): Days	57	44	1936	10
100 F (37.8 C): Days	21	15	1936	1
0 C (32 F): Ice days (max	58	130	1951	112
0 C (32 F): Frost days (min	59	240	1956	209
-10 C (14 F): Days with min	59	149	1955	127
-20 C (-4 F): Days with min	59	87	1955	80
-30 C (-22 F): Days with min	59	36	1916	22
-40 C (-40 F): Days with min	33	8	1916	1
20 C (68 F): Tropical nights (min	4	3	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	51	15	1927	14
25 mm (0.98 in): Days with 25 mm or more rain	31	3	1954	1
50 mm (1.97 in): Days with 50 mm or more rain	4	1	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	38	5	1952	4
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1916	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

Data for Nashlyn 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).

Nashlyn Threshold Days by Year (CA004035480)

Key Facts for Nashlyn Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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