Rifle Threshold Days by Year (USC00057031)

16 fixed thresholds counted per year at Rifle (USC00057031): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rifle Thresholds

Rifle: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 1985 with 14.
Rifle: days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 1936 with 117.
Rifle: days with a maximum temperature at or above 90 F (32.2 C) in 75 years, most in 1931 with 88.
Rifle: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 1918 with 41.
16 fixed thresholds have at least one qualifying day at Rifle.

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Rifle with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 117 in 1936.

Days at or above 30 C (86 F) per year at Rifle
Year	Days	Decade average
1912	45	57.1
1913	64	57.1
1914	51	57.1
1915	63	57.1
1916	42	57.1
1917	65	57.1
1918	55	57.1
1919	72	57.1
1920	39	54.3
1921	47	54.3
1922	64	54.3
1923	45	54.3
1924	65	54.3
1925	66	54.3
1931	105	90.7
1932	74	90.7
1933	98	90.7
1934	104	90.7
1935	101	90.7
1936	117	90.7
1937	82	90.7
1938	66	90.7
1939	69	90.7
1940	78	73
1942	68	73
1943	71	73
1944	80	73
1945	67	73
1946	73	73
1947	70	73
1948	77	73
1950	60	69.7
1951	60	69.7
1952	61	69.7
1953	72	69.7
1954	59	69.7
1955	86	69.7
1956	87	69.7
1957	53	69.7
1958	90	69.7
1959	69	69.7
1960	72	63.4
1961	64	63.4
1962	61	63.4
1963	63	63.4
1964	59	63.4
1965	42	63.4
1966	78	63.4
1967	66	63.4
1968	55	63.4
1969	74	63.4
1970	62	66.8
1971	67	66.8
1972	54	66.8
1974	71	66.8
1975	54	66.8
1976	59	66.8
1977	82	66.8
1978	85	66.8
1981	71	68.2
1982	54	68.2
1983	68	68.2
1984	66	68.2
1985	68	68.2
1986	56	68.2
1987	65	68.2
1988	90	68.2
1989	76	68.2
1990	85	68
1991	68	68
1992	60	68
1993	48	68
1994	81	68
1995	63	68
1998	71	68

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

First to last qualifying date each year at Rifle
Year	First date	Last date
1912	1912-06-03	1912-08-28
1913	1913-05-23	1913-08-30
1914	1914-05-30	1914-09-19
1915	1915-05-13	1915-09-02
1916	1916-06-09	1916-08-28
1917	1917-06-15	1917-09-09
1918	1918-06-06	1918-08-30
1919	1919-05-25	1919-09-11
1920	1920-06-07	1920-09-16
1921	1921-05-28	1921-08-28
1922	1922-06-07	1922-09-21
1923	1923-06-12	1923-09-11
1924	1924-06-11	1924-09-07
1925	1925-05-18	1925-09-16
1931	1931-05-25	1931-09-18
1932	1932-06-14	1932-09-16
1933	1933-05-30	1933-09-26
1934	1934-05-07	1934-09-20
1935	1935-06-04	1935-09-23
1936	1936-04-18	1936-09-25
1937	1937-05-09	1937-09-19
1938	1938-05-27	1938-08-27
1939	1939-05-29	1939-09-21
1940	1940-05-31	1940-09-11
1942	1942-05-26	1942-09-08
1943	1943-04-30	1943-09-25
1944	1944-05-13	1944-10-07
1945	1945-06-21	1945-09-15
1946	1946-06-03	1946-09-14
1947	1947-05-03	1947-09-28
1948	1948-05-16	1948-09-15
1950	1950-06-07	1950-10-12
1951	1951-05-28	1951-09-09
1952	1952-06-06	1952-09-09
1953	1953-06-08	1953-10-14
1954	1954-05-18	1954-09-15
1955	1955-06-07	1955-09-16
1956	1956-05-18	1956-10-06
1957	1957-06-04	1957-09-30
1958	1958-05-24	1958-09-22
1959	1959-05-13	1959-09-12
1960	1960-05-12	1960-09-12
1961	1961-06-09	1961-08-29
1962	1962-06-11	1962-09-19
1963	1963-06-13	1963-10-02
1964	1964-05-15	1964-09-05
1965	1965-06-21	1965-08-28
1966	1966-05-06	1966-09-24
1967	1967-05-08	1967-09-23
1968	1968-05-29	1968-09-11
1969	1969-05-25	1969-09-11
1970	1970-05-17	1970-09-03
1971	1971-06-16	1971-09-14
1972	1972-06-01	1972-08-23
1974	1974-05-27	1974-09-11
1975	1975-06-06	1975-09-07
1976	1976-06-03	1976-09-05
1977	1977-05-31	1977-09-10
1978	1978-05-15	1978-09-27
1981	1981-05-01	1981-09-28
1982	1982-06-12	1982-09-04
1983	1983-05-27	1983-09-18
1984	1984-05-12	1984-09-15
1985	1985-06-06	1985-09-14
1986	1986-05-20	1986-09-07
1987	1987-05-14	1987-09-24
1988	1988-05-12	1988-09-09
1989	1989-05-08	1989-09-29
1990	1990-05-22	1990-09-15
1991	1991-06-08	1991-09-27
1992	1992-04-30	1992-10-02
1993	1993-05-31	1993-09-12
1994	1994-06-15	1994-09-28
1995	1995-06-12	1995-09-16
1998	1998-06-02	1998-09-30

Every Fixed Threshold

Fixed thresholds at Rifle
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	117	1936	71
35 C (95 F): Days	70	46	1936	23
40 C (104 F): Days	1	1	1931	1
90 F (32.2 C): Days	75	88	1931	49
100 F (37.8 C): Days	17	9	1934	6
0 C (32 F): Ice days (max	75	41	1918	11
0 C (32 F): Frost days (min	75	224	1975	186
-10 C (14 F): Days with min	75	97	1933	22
-20 C (-4 F): Days with min	67	26	1933	1
-30 C (-22 F): Days with min	15	2	1913	2
20 C (68 F): Tropical nights (min	4	2	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	77	14	1985	7
25 mm (0.98 in): Days with 25 mm or more rain	25	3	1985	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1984	1
10 cm (3.9 in): Days with 10 cm or more snowfall	59	11	1985	1
25 cm (9.8 in): Days with 25 cm or more snowfall	11	1	1913	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

Data for Rifle 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).

Rifle Threshold Days by Year (USC00057031)

Key Facts for Rifle Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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