Burley Threshold Days by Year (USC00101288)

16 fixed thresholds counted per year at Burley (USC00101288): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Burley Thresholds

Burley: days with a maximum temperature at or above 30 C (86 F) in 49 years, most in 1934 with 90.
Burley: days with a maximum temperature at or above 35 C (95 F) in 49 years, most in 1933 with 31.
Burley: days with a maximum temperature at or above 90 F (32.2 C) in 49 years, most in 1958 with 66.
Burley: days with a maximum temperature at or below 0 C (32 F) in 49 years, most in 1949 with 51.
16 fixed thresholds have at least one qualifying day at Burley.

Days at or above 30 C (86 F)

49 years with a qualifying day

Days per year at Burley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1934.

Days at or above 30 C (86 F) per year at Burley
Year	Days	Decade average
1918	62	68
1919	74	68
1920	51	62.3
1921	55	62.3
1922	74	62.3
1923	63	62.3
1924	70	62.3
1925	56	62.3
1926	62	62.3
1927	60	62.3
1928	63	62.3
1929	69	62.3
1930	67	74.8
1931	78	74.8
1932	62	74.8
1933	78	74.8
1934	90	74.8
1935	72	74.8
1936	77	74.8
1937	81	74.8
1938	73	74.8
1939	70	74.8
1940	77	66.1
1941	51	66.1
1942	65	66.1
1943	69	66.1
1944	58	66.1
1945	65	66.1
1946	68	66.1
1947	68	66.1
1948	66	66.1
1949	74	66.1
1950	57	69.1
1951	53	69.1
1952	70	69.1
1953	80	69.1
1954	64	69.1
1955	65	69.1
1956	80	69.1
1957	71	69.1
1958	86	69.1
1959	65	69.1
1960	69	69.4
1961	77	69.4
1962	70	69.4
1963	70	69.4
1964	63	69.4
1965	52	69.4
1966	85	69.4

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

First to last qualifying date each year at Burley
Year	First date	Last date
1918	1918-05-04	1918-09-21
1919	1919-05-18	1919-09-11
1920	1920-06-07	1920-10-04
1921	1921-06-13	1921-09-25
1922	1922-05-25	1922-09-27
1923	1923-05-25	1923-09-15
1924	1924-05-13	1924-10-01
1925	1925-06-19	1925-09-03
1926	1926-05-01	1926-08-30
1927	1927-04-27	1927-09-23
1928	1928-05-07	1928-10-10
1929	1929-05-24	1929-09-19
1930	1930-04-22	1930-09-21
1931	1931-05-14	1931-09-28
1932	1932-06-15	1932-09-18
1933	1933-05-30	1933-09-29
1934	1934-04-21	1934-10-12
1935	1935-06-08	1935-10-04
1936	1936-04-18	1936-09-22
1937	1937-05-14	1937-09-19
1938	1938-05-27	1938-09-28
1939	1939-05-16	1939-09-25
1940	1940-05-11	1940-09-12
1941	1941-05-12	1941-09-18
1942	1942-05-23	1942-10-10
1943	1943-05-28	1943-10-03
1944	1944-05-14	1944-09-14
1945	1945-06-20	1945-10-04
1946	1946-04-26	1946-10-01
1947	1947-05-03	1947-09-26
1948	1948-05-16	1948-09-14
1949	1949-05-27	1949-10-05
1950	1950-06-06	1950-10-14
1951	1951-05-28	1951-09-20
1952	1952-06-03	1952-09-27
1953	1953-06-11	1953-10-10
1954	1954-05-09	1954-09-22
1955	1955-05-21	1955-09-14
1956	1956-05-18	1956-09-27
1957	1957-06-03	1957-10-01
1958	1958-05-06	1958-10-18
1959	1959-05-14	1959-09-13
1960	1960-05-11	1960-09-28
1961	1961-05-23	1961-09-06
1962	1962-04-15	1962-10-04
1963	1963-05-29	1963-10-09
1964	1964-05-17	1964-10-08
1965	1965-05-30	1965-10-09
1966	1966-05-03	1966-09-25

Every Fixed Threshold

Fixed thresholds at Burley
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	49	90	1934	85
35 C (95 F): Days	49	31	1933	25
40 C (104 F): Days	10	2	1931	2
90 F (32.2 C): Days	49	66	1958	64
100 F (37.8 C): Days	39	11	1933	4
0 C (32 F): Ice days (max	49	51	1949	17
0 C (32 F): Frost days (min	49	186	1922	145
-10 C (14 F): Days with min	49	65	1922	13
-20 C (-4 F): Days with min	33	21	1949	4
-30 C (-22 F): Days with min	7	4	1924	2
20 C (68 F): Tropical nights (min	34	5	1931	1
10 mm (0.39 in): Days with 10 mm or more rain	48	9	1923	2
25 mm (0.98 in): Days with 25 mm or more rain	10	3	1964	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1923	1
10 cm (3.9 in): Days with 10 cm or more snowfall	23	4	1949	1
25 cm (9.8 in): Days with 25 cm or more snowfall	3	2	1920	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

Download the Data

Data for Burley 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).

Burley Threshold Days by Year (USC00101288)

Key Facts for Burley Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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