Flora 5 NW Threshold Days by Year (USC00113109)

19 fixed thresholds counted per year at Flora 5 NW (USC00113109): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Flora 5 NW Thresholds

Flora 5 NW: days with 10 mm (0.39 in) or more of precipitation in 104 years, most in 1957 with 52.
Flora 5 NW: days with 25 mm (0.98 in) or more of precipitation in 104 years, most in 1945 with 23.
Flora 5 NW: nights with a minimum temperature at or below 0 C (32 F) in 101 years, most in 1976 with 138.
Flora 5 NW: nights with a minimum temperature at or below -10 C (14 F) in 101 years, most in 1963 with 46.
19 fixed thresholds have at least one qualifying day at Flora 5 NW.

Days at or above 30 C (86 F)

100 years with a qualifying day

Days per year at Flora 5 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 116 in 1936.

Days at or above 30 C (86 F) per year at Flora 5 NW
Year	Days	Decade average
1894	72	69
1896	50	69
1897	73	69
1899	81	69
1900	79	68.2
1901	94	68.2
1903	47	68.2
1904	31	68.2
1905	52	68.2
1906	68	68.2
1907	60	68.2
1908	102	68.2
1909	81	68.2
1910	80	84.2
1913	98	84.2
1914	98	84.2
1918	68	84.2
1919	77	84.2
1920	30	72.9
1921	95	72.9
1922	85	72.9
1923	59	72.9
1924	60	72.9
1925	99	72.9
1926	92	72.9
1927	59	72.9
1928	69	72.9
1929	81	72.9
1930	96	95.9
1933	102	95.9
1934	87	95.9
1935	76	95.9
1936	116	95.9
1937	94	95.9
1938	96	95.9
1939	100	95.9
1940	90	77.7
1941	103	77.7
1942	79	77.7
1943	86	77.7
1944	94	77.7
1945	52	77.7
1946	62	77.7
1947	69	77.7
1948	71	77.7
1949	71	77.7
1952	95	88.7
1953	115	88.7
1954	100	88.7
1955	84	88.7
1956	79	88.7
1957	64	88.7
1959	84	88.7
1960	68	70.8
1963	84	70.8
1964	84	70.8
1965	67	70.8
1966	73	70.8
1967	48	70.8
1968	78	70.8
1969	64	70.8
1970	83	71.9
1971	72	71.9
1972	81	71.9
1973	76	71.9
1974	52	71.9
1975	77	71.9
1976	59	71.9
1977	88	71.9
1978	74	71.9
1979	57	71.9
1980	91	78
1981	62	78
1982	45	78
1983	91	78
1984	79	78
1985	60	78
1986	85	78
1987	104	78
1988	95	78
1989	68	78
1990	67	74.1
1991	103	74.1
1992	62	74.1
1993	72	74.1
1994	82	74.1
1995	78	74.1
1996	73	74.1
1997	55	74.1
1998	83	74.1
1999	66	74.1
2000	46	65
2001	66	65
2002	96	65
2003	48	65
2004	43	65
2005	90	65
2006	60	65
2007	86	65
2008	50	65

For each year, a bar from the first to the last day at Flora 5 NW meeting 30 C (86 F).

First to last qualifying date each year at Flora 5 NW
Year	First date	Last date
1894	1894-04-29	1894-09-09
1896	1896-04-20	1896-09-14
1897	1897-06-11	1897-10-16
1899	1899-04-28	1899-10-15
1900	1900-05-13	1900-10-04
1901	1901-04-30	1901-10-01
1903	1903-05-22	1903-10-03
1904	1904-05-24	1904-09-28
1905	1905-05-10	1905-09-29
1906	1906-05-14	1906-09-18
1907	1907-03-22	1907-09-20
1908	1908-05-15	1908-10-21
1909	1909-05-06	1909-10-03
1910	1910-03-23	1910-10-18
1913	1913-05-02	1913-10-10
1914	1914-05-11	1914-09-22
1918	1918-05-22	1918-10-05
1919	1919-05-29	1919-10-03
1920	1920-06-09	1920-09-26
1921	1921-05-20	1921-09-29
1922	1922-06-05	1922-10-05
1923	1923-06-17	1923-09-29
1924	1924-04-25	1924-10-19
1925	1925-03-24	1925-09-29
1926	1926-05-01	1926-10-03
1927	1927-05-08	1927-10-28
1928	1928-05-03	1928-10-13
1929	1929-03-24	1929-09-29
1930	1930-04-10	1930-10-14
1933	1933-05-19	1933-09-30
1934	1934-05-09	1934-09-26
1935	1935-04-26	1935-10-16
1936	1936-05-01	1936-09-22
1937	1937-04-17	1937-10-05
1938	1938-04-19	1938-10-18
1939	1939-05-17	1939-10-24
1940	1940-05-06	1940-10-26
1941	1941-04-12	1941-10-06
1942	1942-04-29	1942-10-08
1943	1943-05-05	1943-09-05
1944	1944-05-12	1944-10-06
1945	1945-05-26	1945-09-23
1946	1946-06-07	1946-10-07
1947	1947-05-14	1947-10-22
1948	1948-06-01	1948-09-21
1949	1949-05-03	1949-10-10
1952	1952-05-01	1952-10-01
1953	1953-05-24	1953-10-22
1954	1954-04-25	1954-10-05
1955	1955-05-03	1955-09-30
1956	1956-05-12	1956-10-17
1957	1957-05-01	1957-09-11
1959	1959-05-02	1959-10-04
1960	1960-06-03	1960-09-25
1963	1963-04-21	1963-10-23
1964	1964-05-17	1964-09-20
1965	1965-04-23	1965-09-20
1966	1966-05-08	1966-09-12
1967	1967-05-24	1967-10-04
1968	1968-05-01	1968-10-15
1969	1969-05-28	1969-10-04
1970	1970-04-28	1970-09-25
1971	1971-04-20	1971-10-02
1972	1972-05-19	1972-09-21
1973	1973-06-08	1973-10-10
1974	1974-05-20	1974-08-31
1975	1975-05-19	1975-10-13
1976	1976-05-21	1976-10-02
1977	1977-04-17	1977-09-23
1978	1978-05-25	1978-09-20
1979	1979-05-10	1979-10-21
1980	1980-04-22	1980-10-08
1981	1981-04-27	1981-10-05
1982	1982-05-13	1982-09-13
1983	1983-06-12	1983-10-03
1984	1984-05-19	1984-09-20
1985	1985-05-12	1985-09-20
1986	1986-04-25	1986-10-04
1987	1987-04-21	1987-09-28
1988	1988-04-05	1988-09-22
1989	1989-04-25	1989-10-14
1990	1990-04-24	1990-09-28
1991	1991-05-14	1991-10-02
1992	1992-05-16	1992-10-14
1993	1993-05-08	1993-09-02
1994	1994-05-22	1994-10-01
1995	1995-06-07	1995-10-12
1996	1996-05-09	1996-09-11
1997	1997-05-17	1997-10-07
1998	1998-05-13	1998-09-30
1999	1999-06-05	1999-09-28
2000	2000-05-24	2000-10-03
2001	2001-04-30	2001-09-13
2002	2002-04-17	2002-10-03
2003	2003-04-14	2003-09-26
2004	2004-04-16	2004-09-17
2005	2005-05-10	2005-10-05
2006	2006-04-14	2006-10-04
2007	2007-04-30	2007-10-08
2008	2008-05-31	2008-10-05

Every Fixed Threshold

Fixed thresholds at Flora 5 NW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	100	116	1936	50
35 C (95 F): Days	97	65	1936	1
40 C (104 F): Days	17	23	1936	1
90 F (32.2 C): Days	100	98	1936	20
100 F (37.8 C): Days	40	42	1936	3
110 F (43.3 C): Days	3	2	1930	1
0 C (32 F): Ice days (max	100	49	1978	25
0 C (32 F): Frost days (min	101	138	1976	112
-10 C (14 F): Days with min	101	46	1963	17
-20 C (-4 F): Days with min	57	14	1977	2
-30 C (-22 F): Days with min	5	1	1904	1
20 C (68 F): Tropical nights (min	101	63	1934	38
25 C (77 F): Days with min	33	10	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	104	52	1957	50
25 mm (0.98 in): Days with 25 mm or more rain	104	23	1945	17
50 mm (1.97 in): Days with 50 mm or more rain	90	5	2008	5
100 mm (3.94 in): Days with 100 mm or more rain	10	1	1904	1
10 cm (3.9 in): Days with 10 cm or more snowfall	51	3	1906	1
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1918	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Flora 5 NW 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Flora 5 NW Threshold Days by Year (USC00113109)

Key Facts for Flora 5 NW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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