Pennant Threshold Days by Year (CA004026040)

18 fixed thresholds counted per year at Pennant (CA004026040): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pennant Thresholds

Pennant: days with a maximum temperature at or above 30 C (86 F) in 52 years, most in 1936 with 45.
Pennant: days with a maximum temperature at or above 90 F (32.2 C) in 52 years, most in 1936 with 34.
Pennant: days with a maximum temperature at or below 0 C (32 F) in 52 years, most in 1951 with 133.
Pennant: nights with a minimum temperature at or below 0 C (32 F) in 50 years, most in 1959 with 218.
18 fixed thresholds have at least one qualifying day at Pennant.

Days at or above 30 C (86 F)

52 years with a qualifying day

Days per year at Pennant with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 1936.

Days at or above 30 C (86 F) per year at Pennant
Year	Days	Decade average
1925	25	21.3
1926	22	21.3
1927	7	21.3
1929	31	21.3
1930	28	30.7
1931	28	30.7
1932	17	30.7
1933	37	30.7
1934	30	30.7
1935	19	30.7
1936	45	30.7
1937	41	30.7
1938	31	30.7
1941	28	22.9
1942	10	22.9
1943	24	22.9
1944	8	22.9
1945	24	22.9
1946	26	22.9
1947	28	22.9
1948	28	22.9
1949	30	22.9
1950	20	16.6
1951	10	16.6
1952	12	16.6
1953	17	16.6
1954	10	16.6
1955	16	16.6
1956	17	16.6
1957	14	16.6
1958	32	16.6
1959	18	16.6
1960	23	26
1961	43	26
1966	20	26
1967	31	26
1968	16	26
1969	23	26
1970	29	19.8
1971	29	19.8
1972	15	19.8
1973	23	19.8
1974	15	19.8
1975	16	19.8
1976	14	19.8
1977	13	19.8
1978	21	19.8
1979	23	19.8
1980	15	19.5
1981	30	19.5
1982	10	19.5
1983	23	19.5

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

First to last qualifying date each year at Pennant
Year	First date	Last date
1925	1925-05-20	1925-08-26
1926	1926-06-03	1926-08-25
1927	1927-07-23	1927-09-06
1929	1929-05-24	1929-08-31
1930	1930-06-07	1930-09-06
1931	1931-05-13	1931-09-06
1932	1932-06-15	1932-09-07
1933	1933-05-30	1933-08-30
1934	1934-05-15	1934-10-12
1935	1935-06-28	1935-09-14
1936	1936-05-26	1936-08-30
1937	1937-06-02	1937-09-20
1938	1938-05-27	1938-09-24
1941	1941-05-23	1941-08-23
1942	1942-05-23	1942-10-10
1943	1943-07-02	1943-10-05
1944	1944-06-30	1944-09-07
1945	1945-06-21	1945-09-03
1946	1946-05-26	1946-09-14
1947	1947-05-02	1947-09-04
1948	1948-05-18	1948-09-22
1949	1949-04-28	1949-09-09
1950	1950-05-27	1950-09-24
1951	1951-05-23	1951-08-05
1952	1952-04-26	1952-09-26
1953	1953-05-06	1953-08-23
1954	1954-05-19	1954-08-30
1955	1955-07-15	1955-09-02
1956	1956-05-19	1956-09-26
1957	1957-07-09	1957-10-01
1958	1958-05-11	1958-09-12
1959	1959-06-03	1959-08-08
1960	1960-05-11	1960-09-04
1961	1961-06-03	1961-09-05
1966	1966-05-26	1966-09-18
1967	1967-06-26	1967-09-29
1968	1968-06-02	1968-09-12
1969	1969-05-26	1969-09-13
1970	1970-06-02	1970-09-01
1971	1971-05-13	1971-09-11
1972	1972-05-17	1972-08-29
1973	1973-06-13	1973-08-21
1974	1974-06-19	1974-09-17
1975	1975-06-24	1975-08-05
1976	1976-05-13	1976-09-17
1977	1977-04-26	1977-08-24
1978	1978-06-05	1978-09-04
1979	1979-06-12	1979-09-16
1980	1980-04-20	1980-09-06
1981	1981-06-26	1981-09-19
1982	1982-06-21	1982-09-09
1983	1983-06-10	1983-09-26

Every Fixed Threshold

Fixed thresholds at Pennant
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	52	45	1936	23
35 C (95 F): Days	43	14	1936	7
40 C (104 F): Days	5	1	1933	1
90 F (32.2 C): Days	52	34	1936	10
100 F (37.8 C): Days	18	5	1933	2
0 C (32 F): Ice days (max	52	133	1951	95
0 C (32 F): Frost days (min	50	218	1959	191
-10 C (14 F): Days with min	50	130	1955	86
-20 C (-4 F): Days with min	50	73	1978	32
-30 C (-22 F): Days with min	49	25	1937	11
-40 C (-40 F): Days with min	12	8	1950	2
20 C (68 F): Tropical nights (min	12	2	1933	1
10 mm (0.39 in): Days with 10 mm or more rain	43	17	1951	13
25 mm (0.98 in): Days with 25 mm or more rain	32	4	1974	2
50 mm (1.97 in): Days with 50 mm or more rain	8	1	1931	1
10 cm (3.9 in): Days with 10 cm or more snowfall	39	8	1948	2
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	1982	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1982	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.

Download the Data

Data for Pennant 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).

Pennant Threshold Days by Year (CA004026040)

Key Facts for Pennant Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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