Ft Lupton 2 SE Threshold Days by Year (USC00053027)

16 fixed thresholds counted per year at Ft Lupton 2 SE (USC00053027): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ft Lupton 2 SE Thresholds

Ft Lupton 2 SE: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1935 with 16.
Ft Lupton 2 SE: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1954 with 102.
Ft Lupton 2 SE: days with a maximum temperature at or above 35 C (95 F) in 50 years, most in 1954 with 42.
Ft Lupton 2 SE: days with a maximum temperature at or above 90 F (32.2 C) in 50 years, most in 1954 with 79.
16 fixed thresholds have at least one qualifying day at Ft Lupton 2 SE.

Days at or above 30 C (86 F)

50 years with a qualifying day

Days per year at Ft Lupton 2 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 102 in 1954.

Days at or above 30 C (86 F) per year at Ft Lupton 2 SE
Year	Days	Decade average
1920	57	57.1
1921	47	57.1
1922	82	57.1
1923	40	57.1
1924	70	57.1
1925	59	57.1
1926	64	57.1
1927	46	57.1
1928	40	57.1
1929	66	57.1
1930	57	77.7
1931	84	77.7
1932	73	77.7
1933	88	77.7
1934	94	77.7
1935	67	77.7
1936	91	77.7
1937	83	77.7
1938	57	77.7
1939	83	77.7
1940	75	64.7
1941	64	64.7
1942	57	64.7
1943	74	64.7
1944	68	64.7
1945	50	64.7
1950	58	79.6
1951	57	79.6
1953	93	79.6
1954	102	79.6
1955	79	79.6
1956	99	79.6
1958	68	79.6
1959	81	79.6
1960	73	63.6
1961	43	63.6
1962	78	63.6
1963	79	63.6
1964	83	63.6
1965	51	63.6
1966	71	63.6
1967	36	63.6
1968	60	63.6
1969	62	63.6
1970	64	64.8
1971	62	64.8
1972	63	64.8
1973	52	64.8
1974	74	64.8
1975	74	64.8

For each year, a bar from the first to the last day at Ft Lupton 2 SE meeting 30 C (86 F).

First to last qualifying date each year at Ft Lupton 2 SE
Year	First date	Last date
1920	1920-05-24	1920-09-20
1921	1921-06-11	1921-09-14
1922	1922-05-25	1922-10-04
1923	1923-05-26	1923-09-09
1924	1924-05-18	1924-09-05
1925	1925-05-19	1925-09-16
1926	1926-05-22	1926-10-17
1927	1927-04-27	1927-09-16
1928	1928-05-01	1928-09-19
1929	1929-06-09	1929-09-21
1930	1930-05-21	1930-09-21
1931	1931-05-14	1931-09-29
1932	1932-05-18	1932-09-18
1933	1933-05-18	1933-09-29
1934	1934-05-06	1934-10-08
1935	1935-06-08	1935-09-22
1936	1936-05-04	1936-09-25
1937	1937-05-14	1937-09-22
1938	1938-05-28	1938-09-01
1939	1939-05-19	1939-09-22
1940	1940-05-03	1940-09-08
1941	1941-05-12	1941-09-20
1942	1942-05-25	1942-09-29
1943	1943-05-27	1943-09-24
1944	1944-05-13	1944-09-22
1945	1945-05-19	1945-09-06
1950	1950-05-17	1950-09-07
1951	1951-05-28	1951-09-20
1953	1953-05-21	1953-10-10
1954	1954-04-23	1954-10-08
1955	1955-04-26	1955-09-17
1956	1956-05-08	1956-09-27
1958	1958-05-21	1958-09-22
1959	1959-05-17	1959-09-15
1960	1960-04-21	1960-09-06
1961	1961-05-10	1961-08-29
1962	1962-05-06	1962-10-10
1963	1963-05-06	1963-10-05
1964	1964-05-14	1964-10-01
1965	1965-06-21	1965-10-09
1966	1966-05-06	1966-09-24
1967	1967-05-23	1967-10-03
1968	1968-05-30	1968-09-27
1969	1969-05-25	1969-09-29
1970	1970-05-17	1970-09-20
1971	1971-06-15	1971-09-13
1972	1972-05-16	1972-09-18
1973	1973-05-18	1973-10-23
1974	1974-05-08	1974-09-10
1975	1975-05-16	1975-10-12

Every Fixed Threshold

Fixed thresholds at Ft Lupton 2 SE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	50	102	1954	74
35 C (95 F): Days	50	42	1954	18
40 C (104 F): Days	10	6	1954	1
90 F (32.2 C): Days	50	79	1954	48
100 F (37.8 C): Days	32	14	1954	2
0 C (32 F): Ice days (max	50	48	1929	18
0 C (32 F): Frost days (min	50	201	1966	178
-10 C (14 F): Days with min	50	63	1955	63
-20 C (-4 F): Days with min	46	22	1962	12
-30 C (-22 F): Days with min	13	4	1972	2
20 C (68 F): Tropical nights (min	13	9	1954	1
10 mm (0.39 in): Days with 10 mm or more rain	59	16	1935	8
25 mm (0.98 in): Days with 25 mm or more rain	48	5	1913	2
50 mm (1.97 in): Days with 50 mm or more rain	10	2	1975	2
10 cm (3.9 in): Days with 10 cm or more snowfall	33	7	1924	4
25 cm (9.8 in): Days with 25 cm or more snowfall	3	2	1944	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

Data for Ft Lupton 2 SE 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).

Ft Lupton 2 SE Threshold Days by Year (USC00053027)

Key Facts for Ft Lupton 2 SE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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