Billings Wtp Threshold Days by Year (USC00240802)

19 fixed thresholds counted per year at Billings Wtp (USC00240802): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Billings Wtp Thresholds

Billings Wtp: days with 10 mm (0.39 in) or more of precipitation in 122 years, most in 2017 with 18.
Billings Wtp: nights with a minimum temperature at or below 0 C (32 F) in 121 years, most in 1909 with 199.
Billings Wtp: nights with a minimum temperature at or below -10 C (14 F) in 121 years, most in 1895 with 83.
Billings Wtp: nights with a minimum temperature at or below -20 C (-4 F) in 119 years, most in 1916 with 39.
19 fixed thresholds have at least one qualifying day at Billings Wtp.

Days at or above 30 C (86 F)

116 years with a qualifying day

Days per year at Billings Wtp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 1933.

Days at or above 30 C (86 F) per year at Billings Wtp
Year	Days	Decade average
1895	59	59
1901	65	60.2
1905	64	60.2
1906	75	60.2
1907	40	60.2
1909	57	60.2
1910	66	51.4
1911	41	51.4
1912	32	51.4
1913	51	51.4
1914	63	51.4
1915	31	51.4
1916	50	51.4
1917	61	51.4
1918	46	51.4
1919	73	51.4
1920	55	56.8
1921	80	56.8
1922	79	56.8
1923	60	56.8
1924	39	56.8
1925	55	56.8
1926	51	56.8
1927	34	56.8
1928	45	56.8
1929	70	56.8
1930	67	68.2
1931	73	68.2
1932	65	68.2
1933	86	68.2
1934	73	68.2
1935	57	68.2
1936	82	68.2
1937	63	68.2
1938	51	68.2
1939	65	68.2
1940	73	53.4
1941	55	53.4
1942	46	53.4
1943	57	53.4
1944	36	53.4
1945	55	53.4
1946	49	53.4
1947	51	53.4
1948	55	53.4
1949	57	53.4
1950	39	58.4
1951	36	58.4
1952	61	58.4
1953	73	58.4
1954	60	58.4
1955	62	58.4
1956	72	58.4
1957	53	58.4
1958	58	58.4
1959	70	58.4
1960	71	63.6
1961	79	63.6
1962	53	63.6
1963	73	63.6
1964	53	63.6
1965	43	63.6
1966	79	63.6
1967	75	63.6
1968	48	63.6
1969	62	63.6
1970	76	61.8
1971	65	61.8
1972	54	61.8
1973	64	61.8
1974	58	61.8
1975	46	61.8
1976	58	61.8
1977	65	61.8
1979	70	61.8
1981	67	63.5
1983	67	63.5
1984	72	63.5
1985	53	63.5
1986	58	63.5
1987	64	63.5
1990	62	56.6
1991	62	56.6
1992	51	56.6
1993	26	56.6
1994	61	56.6
1996	67	56.6
1997	56	56.6
1998	71	56.6
1999	53	56.6
2001	76	67.4
2002	65	67.4
2003	79	67.4
2004	54	67.4
2005	64	67.4
2006	76	67.4
2007	71	67.4
2008	64	67.4
2009	58	67.4
2010	55	58.5
2011	77	58.5
2012	84	58.5
2013	73	58.5
2014	53	58.5
2015	56	58.5
2016	58	58.5
2017	56	58.5
2018	33	58.5
2019	40	58.5
2020	59	61.1
2021	73	61.1
2022	64	61.1
2023	48	61.1
2024	70	61.1
2025	53	61.1
2026	61	61.1

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

First to last qualifying date each year at Billings Wtp
Year	First date	Last date
1895	1895-05-06	1895-10-13
1901	1901-04-30	1901-09-02
1905	1905-05-18	1905-10-07
1906	1906-04-21	1906-10-02
1907	1907-06-18	1907-09-23
1909	1909-06-02	1909-09-28
1910	1910-04-19	1910-10-10
1911	1911-05-05	1911-10-09
1912	1912-05-29	1912-09-07
1913	1913-04-14	1913-09-13
1914	1914-05-30	1914-10-16
1915	1915-04-13	1915-09-06
1916	1916-04-27	1916-09-08
1917	1917-05-14	1917-10-03
1918	1918-05-03	1918-09-12
1919	1919-05-21	1919-09-11
1920	1920-06-07	1920-10-05
1921	1921-05-02	1921-10-20
1922	1922-05-24	1922-10-03
1923	1923-05-25	1923-09-21
1924	1924-06-26	1924-09-30
1925	1925-05-18	1925-09-03
1926	1926-04-15	1926-08-30
1927	1927-05-16	1927-10-19
1928	1928-04-27	1928-10-09
1929	1929-05-22	1929-09-14
1930	1930-04-07	1930-09-21
1931	1931-05-12	1931-09-07
1932	1932-05-13	1932-09-30
1933	1933-05-29	1933-10-08
1934	1934-05-05	1934-09-12
1935	1935-06-08	1935-09-22
1936	1936-05-04	1936-09-22
1937	1937-05-18	1937-09-22
1938	1938-05-27	1938-09-30
1939	1939-04-28	1939-09-21
1940	1940-05-02	1940-09-13
1941	1941-05-12	1941-09-17
1942	1942-07-02	1942-10-09
1943	1943-05-27	1943-10-10
1944	1944-05-14	1944-09-08
1945	1945-06-21	1945-09-08
1946	1946-04-26	1946-09-30
1947	1947-05-02	1947-10-20
1948	1948-04-29	1948-09-15
1949	1949-04-28	1949-09-24
1950	1950-05-22	1950-09-06
1951	1951-05-23	1951-09-10
1952	1952-04-26	1952-09-27
1953	1953-05-07	1953-10-10
1954	1954-05-19	1954-09-27
1955	1955-05-01	1955-10-10
1956	1956-05-17	1956-10-07
1957	1957-05-02	1957-09-28
1958	1958-05-11	1958-10-05
1959	1959-06-03	1959-09-14
1960	1960-05-11	1960-09-20
1961	1961-05-28	1961-09-16
1962	1962-04-15	1962-09-27
1963	1963-06-13	1963-10-05
1964	1964-05-17	1964-09-17
1965	1965-06-12	1965-08-18
1966	1966-05-04	1966-09-23
1967	1967-05-22	1967-09-30
1968	1968-06-02	1968-09-12
1969	1969-05-24	1969-09-19
1970	1970-05-05	1970-09-19
1971	1971-05-27	1971-09-13
1972	1972-05-16	1972-08-31
1973	1973-05-16	1973-09-07
1974	1974-04-25	1974-09-26
1975	1975-05-15	1975-10-04
1976	1976-06-10	1976-09-17
1977	1977-04-26	1977-09-15
1979	1979-05-25	1979-09-22
1981	1981-05-01	1981-09-19
1983	1983-05-25	1983-09-27
1984	1984-05-15	1984-09-19
1985	1985-05-02	1985-09-15
1986	1986-05-03	1986-08-31
1987	1987-04-17	1987-10-04
1990	1990-06-09	1990-09-26
1991	1991-06-10	1991-10-16
1992	1992-04-29	1992-10-04
1993	1993-05-13	1993-10-06
1994	1994-05-27	1994-09-10
1996	1996-06-08	1996-10-11
1997	1997-05-17	1997-10-02
1998	1998-05-26	1998-09-19
1999	1999-05-28	1999-09-23
2001	2001-05-12	2001-10-02
2002	2002-05-21	2002-09-17
2003	2003-05-25	2003-10-22
2004	2004-06-03	2004-10-10
2005	2005-06-17	2005-10-02
2006	2006-05-17	2006-09-14
2007	2007-05-17	2007-09-22
2008	2008-05-17	2008-09-19
2009	2009-05-19	2009-09-27
2010	2010-06-24	2010-10-05
2011	2011-06-23	2011-10-04
2012	2012-04-23	2012-09-19
2013	2013-05-12	2013-09-22
2014	2014-07-03	2014-09-26
2015	2015-06-09	2015-10-11
2016	2016-05-06	2016-09-28
2017	2017-05-06	2017-09-13
2018	2018-06-05	2018-09-09
2019	2019-06-04	2019-09-17
2020	2020-06-02	2020-10-11
2021	2021-05-19	2021-10-06
2022	2022-06-18	2022-09-29
2023	2023-05-21	2023-09-27
2024	2024-06-12	2024-10-10
2025	2025-05-11	2025-09-22
2026	2026-04-22	2026-10-10

Every Fixed Threshold

Fixed thresholds at Billings Wtp
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	116	86	1933	61
35 C (95 F): Days	115	40	2012	15
40 C (104 F): Days	27	5	2002	3
90 F (32.2 C): Days	116	64	2012	42
100 F (37.8 C): Days	86	15	1933	5
110 F (43.3 C): Days	3	1	1901	1
0 C (32 F): Ice days (max	116	63	1937	10
0 C (32 F): Frost days (min	121	199	1909	81
-10 C (14 F): Days with min	121	83	1895	12
-20 C (-4 F): Days with min	119	39	1916	1
-30 C (-22 F): Days with min	76	9	1916	2
-40 C (-40 F): Days with min	2	1	1933	1
20 C (68 F): Tropical nights (min	37	17	1936	8
10 mm (0.39 in): Days with 10 mm or more rain	122	18	2017	7
25 mm (0.98 in): Days with 25 mm or more rain	91	7	1944	2
50 mm (1.97 in): Days with 50 mm or more rain	21	2	1940	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1941	1
10 cm (3.9 in): Days with 10 cm or more snowfall	34	8	1949	1
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1998	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

Data for Billings Wtp 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).

Billings Wtp Threshold Days by Year (USC00240802)

Key Facts for Billings Wtp Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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