Clyde A Threshold Days by Year (CA002400800)

10 fixed thresholds counted per year at Clyde A (CA002400800): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clyde A Thresholds

Clyde A: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 1978 with 264.
Clyde A: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 1965 with 361.
Clyde A: nights with a minimum temperature at or below -10 C (14 F) in 37 years, most in 1961 with 238.
Clyde A: nights with a minimum temperature at or below -20 C (-4 F) in 37 years, most in 1957 with 174.
10 fixed thresholds have at least one qualifying day at Clyde A.

Nights at or below 0 C (32 F)

37 years with a qualifying day

Days per year at Clyde A with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 361 in 1965.

Nights at or below 0 C (32 F) per year at Clyde A
Year	Days	Decade average
1946	299	305.3
1947	302	305.3
1948	319	305.3
1949	301	305.3
1950	311	317.1
1951	313	317.1
1952	333	317.1
1953	305	317.1
1955	309	317.1
1956	316	317.1
1957	306	317.1
1958	335	317.1
1959	326	317.1
1960	305	324.5
1961	322	324.5
1962	303	324.5
1963	322	324.5
1964	324	324.5
1965	361	324.5
1966	318	324.5
1967	331	324.5
1968	341	324.5
1969	318	324.5
1970	317	327.9
1971	332	327.9
1972	353	327.9
1973	309	327.9
1974	336	327.9
1975	288	327.9
1976	337	327.9
1977	327	327.9
1978	340	327.9
1979	340	327.9
1980	328	323.5
1981	315	323.5
1982	318	323.5
1983	333	323.5

For each year, a bar from the first to the last day at Clyde A meeting 0 C (32 F).

First to last qualifying date each year at Clyde A
Year	First date	Last date
1946	1946-02-01	1946-12-31
1947	1947-01-01	1947-12-31
1948	1948-01-01	1948-12-31
1949	1949-01-01	1949-12-31
1950	1950-01-01	1950-12-31
1951	1951-01-01	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31

Every Fixed Threshold

Fixed thresholds at Clyde A
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
0 C (32 F): Ice days (max	37	264	1978	245
0 C (32 F): Frost days (min	37	361	1965	333
-10 C (14 F): Days with min	37	238	1961	224
-20 C (-4 F): Days with min	37	174	1957	172
-30 C (-22 F): Days with min	37	110	1948	103
-40 C (-40 F): Days with min	34	29	1961	8
10 mm (0.39 in): Days with 10 mm or more rain	30	13	1951	3
25 mm (0.98 in): Days with 25 mm or more rain	7	3	1952	1
10 cm (3.9 in): Days with 10 cm or more snowfall	28	8	1951	3
25 cm (9.8 in): Days with 25 cm or more snowfall	7	3	1977	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

Data for Clyde A 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).

Clyde A Threshold Days by Year (CA002400800)

Key Facts for Clyde A Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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