Bloomer Threshold Days by Year (USC00470904)

19 fixed thresholds counted per year at Bloomer (USC00470904): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bloomer Thresholds

Bloomer: nights with a minimum temperature at or below 0 C (32 F) in 80 years, most in 1976 with 200.
Bloomer: nights with a minimum temperature at or below -10 C (14 F) in 80 years, most in 1978 with 109.
Bloomer: nights with a minimum temperature at or below -20 C (-4 F) in 80 years, most in 1978 with 59.
Bloomer: days with a maximum temperature at or above 30 C (86 F) in 79 years, most in 1988 with 70.
19 fixed thresholds have at least one qualifying day at Bloomer.

Days at or above 30 C (86 F)

79 years with a qualifying day

Days per year at Bloomer with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 70 in 1988.

Days at or above 30 C (86 F) per year at Bloomer
Year	Days	Decade average
1945	11	28
1948	33	28
1949	40	28
1950	12	18.3
1951	7	18.3
1952	23	18.3
1953	23	18.3
1954	11	18.3
1955	38	18.3
1956	10	18.3
1957	20	18.3
1958	11	18.3
1959	28	18.3
1960	21	23.8
1961	24	23.8
1962	8	23.8
1963	32	23.8
1964	36	23.8
1965	13	23.8
1966	34	23.8
1967	15	23.8
1968	24	23.8
1969	31	23.8
1970	41	25.7
1971	25	25.7
1972	31	25.7
1973	26	25.7
1974	26	25.7
1975	37	25.7
1976	43	25.7
1977	14	25.7
1978	12	25.7
1979	2	25.7
1980	29	31.9
1981	10	31.9
1982	13	31.9
1983	42	31.9
1984	25	31.9
1985	30	31.9
1986	24	31.9
1987	48	31.9
1988	70	31.9
1989	28	31.9
1990	26	22.9
1991	35	22.9
1992	12	22.9
1993	12	22.9
1994	18	22.9
1995	39	22.9
1996	20	22.9
1997	22	22.9
1998	20	22.9
1999	25	22.9
2001	27	23.1
2002	30	23.1
2003	26	23.1
2004	8	23.1
2005	32	23.1
2006	33	23.1
2007	35	23.1
2008	7	23.1
2009	10	23.1
2010	22	19.9
2011	22	19.9
2012	44	19.9
2013	22	19.9
2014	7	19.9
2015	9	19.9
2016	14	19.9
2017	17	19.9
2018	26	19.9
2019	16	19.9
2020	23	22.9
2021	26	22.9
2022	21	22.9
2023	30	22.9
2024	13	22.9
2025	19	22.9
2026	28	22.9

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

First to last qualifying date each year at Bloomer
Year	First date	Last date
1945	1945-06-23	1945-09-07
1948	1948-05-20	1948-09-18
1949	1949-05-03	1949-08-26
1950	1950-06-06	1950-08-16
1951	1951-07-15	1951-07-29
1952	1952-04-28	1952-09-13
1953	1953-05-30	1953-10-02
1954	1954-06-11	1954-08-15
1955	1955-05-02	1955-09-18
1956	1956-06-09	1956-08-28
1957	1957-06-17	1957-09-01
1958	1958-06-28	1958-08-19
1959	1959-05-02	1959-09-09
1960	1960-07-08	1960-09-07
1961	1961-06-05	1961-09-09
1962	1962-05-16	1962-08-27
1963	1963-06-03	1963-08-08
1964	1964-05-21	1964-08-27
1965	1965-06-27	1965-08-17
1966	1966-05-26	1966-09-01
1967	1967-05-26	1967-08-16
1968	1968-06-04	1968-08-24
1969	1969-05-27	1969-09-15
1970	1970-04-29	1970-09-05
1971	1971-06-04	1971-09-07
1972	1972-05-17	1972-08-30
1973	1973-06-10	1973-09-01
1974	1974-06-29	1974-08-20
1975	1975-05-19	1975-08-10
1976	1976-06-06	1976-10-02
1977	1977-05-13	1977-08-27
1978	1978-05-26	1978-09-11
1979	1979-08-31	1979-09-01
1980	1980-04-21	1980-08-07
1981	1981-07-04	1981-08-13
1982	1982-06-28	1982-08-20
1983	1983-06-21	1983-09-10
1984	1984-06-26	1984-09-20
1985	1985-04-18	1985-09-19
1986	1986-05-28	1986-08-17
1987	1987-04-18	1987-09-06
1988	1988-05-21	1988-09-18
1989	1989-06-19	1989-08-12
1990	1990-05-08	1990-09-14
1991	1991-05-13	1991-09-06
1992	1992-05-01	1992-08-25
1993	1993-06-12	1993-08-27
1994	1994-05-21	1994-08-28
1995	1995-06-05	1995-09-07
1996	1996-06-13	1996-09-11
1997	1997-06-11	1997-10-05
1998	1998-05-15	1998-09-20
1999	1999-05-30	1999-09-05
2001	2001-05-16	2001-08-23
2002	2002-04-16	2002-09-10
2003	2003-04-15	2003-09-12
2004	2004-04-29	2004-09-03
2005	2005-06-20	2005-09-22
2006	2006-05-25	2006-08-17
2007	2007-05-11	2007-09-06
2008	2008-06-26	2008-09-02
2009	2009-04-25	2009-08-15
2010	2010-05-25	2010-08-31
2011	2011-06-04	2011-09-13
2012	2012-05-19	2012-09-13
2013	2013-05-15	2013-09-10
2014	2014-05-27	2014-08-03
2015	2015-06-10	2015-09-06
2016	2016-05-07	2016-08-11
2017	2017-06-03	2017-09-25
2018	2018-05-17	2018-09-16
2019	2019-06-01	2019-08-08
2020	2020-06-03	2020-08-28
2021	2021-05-02	2021-08-21
2022	2022-05-13	2022-09-03
2023	2023-04-13	2023-10-03
2024	2024-05-13	2024-09-17
2025	2025-06-03	2025-10-05
2026	2026-05-16	2026-10-12

Every Fixed Threshold

Fixed thresholds at Bloomer
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	79	70	1988	28
35 C (95 F): Days	36	24	1988	2
40 C (104 F): Days	1	1	1988	1
90 F (32.2 C): Days	75	51	1988	12
100 F (37.8 C): Days	4	13	1988	2
0 C (32 F): Ice days (max	79	112	1978	45
0 C (32 F): Frost days (min	80	200	1976	102
-10 C (14 F): Days with min	80	109	1978	47
-20 C (-4 F): Days with min	80	59	1978	11
-30 C (-22 F): Days with min	48	14	1979	2
-40 C (-40 F): Days with min	1	1	1977	1
20 C (68 F): Tropical nights (min	76	18	1988	6
25 C (77 F): Days with min	10	2	1948	1
10 mm (0.39 in): Days with 10 mm or more rain	79	37	2019	13
25 mm (0.98 in): Days with 25 mm or more rain	79	15	1954	5
50 mm (1.97 in): Days with 50 mm or more rain	46	4	1975	1
100 mm (3.94 in): Days with 100 mm or more rain	4	2	1977	1
10 cm (3.9 in): Days with 10 cm or more snowfall	70	10	2019	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	2	1985	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Bloomer 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).

Bloomer Threshold Days by Year (USC00470904)

Key Facts for Bloomer Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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