Brainerd Threshold Days by Year (USC00210934)

19 fixed thresholds counted per year at Brainerd (USC00210934): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Brainerd Thresholds

Brainerd: nights with a minimum temperature at or below 0 C (32 F) in 45 years, most in 1917 with 229.
Brainerd: nights with a minimum temperature at or below -10 C (14 F) in 45 years, most in 1950 with 117.
Brainerd: nights with a minimum temperature at or below -20 C (-4 F) in 45 years, most in 1917 with 60.
Brainerd: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1951 with 29.
19 fixed thresholds have at least one qualifying day at Brainerd.

Days at or above 30 C (86 F)

43 years with a qualifying day

Days per year at Brainerd with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1936.

Days at or above 30 C (86 F) per year at Brainerd
Year	Days	Decade average
1899	16	16
1900	33	31.5
1901	30	31.5
1913	28	15.4
1914	22	15.4
1917	16	15.4
1918	5	15.4
1919	6	15.4
1920	9	13.1
1921	28	13.1
1922	12	13.1
1923	10	13.1
1924	2	13.1
1925	17	13.1
1926	7	13.1
1927	5	13.1
1928	9	13.1
1929	32	13.1
1930	33	26.2
1931	36	26.2
1932	25	26.2
1933	26	26.2
1934	20	26.2
1935	19	26.2
1936	38	26.2
1937	28	26.2
1938	15	26.2
1939	22	26.2
1940	24	17.7
1941	20	17.7
1942	6	17.7
1943	23	17.7
1944	6	17.7
1945	12	17.7
1946	7	17.7
1947	31	17.7
1948	24	17.7
1949	24	17.7
1950	7	16
1951	7	16
1952	24	16
1953	21	16
1954	21	16

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

First to last qualifying date each year at Brainerd
Year	First date	Last date
1899	1899-06-19	1899-09-05
1900	1900-05-11	1900-09-11
1901	1901-05-02	1901-09-05
1913	1913-04-15	1913-09-06
1914	1914-05-25	1914-08-08
1917	1917-06-17	1917-08-22
1918	1918-05-05	1918-07-21
1919	1919-05-27	1919-07-27
1920	1920-06-12	1920-09-14
1921	1921-05-22	1921-09-01
1922	1922-06-06	1922-09-05
1923	1923-06-02	1923-09-03
1924	1924-08-03	1924-08-26
1925	1925-05-20	1925-09-04
1926	1926-05-05	1926-08-01
1927	1927-06-28	1927-09-13
1928	1928-07-05	1928-08-14
1929	1929-06-10	1929-09-03
1930	1930-05-21	1930-08-31
1931	1931-05-15	1931-09-20
1932	1932-05-13	1932-08-30
1933	1933-06-01	1933-08-15
1934	1934-04-30	1934-08-18
1935	1935-07-03	1935-08-16
1936	1936-05-16	1936-09-22
1937	1937-06-23	1937-09-23
1938	1938-06-21	1938-08-28
1939	1939-05-05	1939-09-15
1940	1940-05-12	1940-09-19
1941	1941-05-19	1941-09-20
1942	1942-07-12	1942-08-21
1943	1943-06-18	1943-08-31
1944	1944-06-25	1944-08-12
1945	1945-06-22	1945-09-06
1946	1946-06-23	1946-08-16
1947	1947-06-26	1947-10-21
1948	1948-05-22	1948-09-17
1949	1949-05-03	1949-08-26
1950	1950-05-23	1950-08-16
1951	1951-07-07	1951-10-01
1952	1952-04-27	1952-09-13
1953	1953-05-07	1953-10-02
1954	1954-06-13	1954-09-01

Every Fixed Threshold

Fixed thresholds at Brainerd
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	43	38	1936	21
35 C (95 F): Days	24	12	1931	1
40 C (104 F): Days	1	1	1936	1
90 F (32.2 C): Days	43	26	1936	4
100 F (37.8 C): Days	6	6	1936	2
0 C (32 F): Ice days (max	43	128	1926	76
0 C (32 F): Frost days (min	45	229	1917	179
-10 C (14 F): Days with min	45	117	1950	74
-20 C (-4 F): Days with min	45	60	1917	22
-30 C (-22 F): Days with min	44	25	1936	6
-40 C (-40 F): Days with min	9	1	1899	1
20 C (68 F): Tropical nights (min	40	13	1941	2
25 C (77 F): Days with min	4	1	1922	1
10 mm (0.39 in): Days with 10 mm or more rain	45	29	1951	16
25 mm (0.98 in): Days with 25 mm or more rain	45	13	1899	2
50 mm (1.97 in): Days with 50 mm or more rain	25	4	1899	1
100 mm (3.94 in): Days with 100 mm or more rain	1	2	1952	2
10 cm (3.9 in): Days with 10 cm or more snowfall	18	12	1950	7
25 cm (9.8 in): Days with 25 cm or more snowfall	5	2	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

Data for Brainerd 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).

Brainerd Threshold Days by Year (USC00210934)

Key Facts for Brainerd Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related