Bloomfield Threshold Days by Year (USC00430690)

16 fixed thresholds counted per year at Bloomfield (USC00430690): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bloomfield Thresholds

Bloomfield: nights with a minimum temperature at or below 0 C (32 F) in 48 years, most in 1966 with 224.
Bloomfield: nights with a minimum temperature at or below -10 C (14 F) in 48 years, most in 1967 with 108.
Bloomfield: nights with a minimum temperature at or below -20 C (-4 F) in 48 years, most in 1934 with 55.
Bloomfield: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 1955 with 39.
16 fixed thresholds have at least one qualifying day at Bloomfield.

Days at or above 30 C (86 F)

46 years with a qualifying day

Days per year at Bloomfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 39 in 1955.

Days at or above 30 C (86 F) per year at Bloomfield
Year	Days	Decade average
1907	8	8
1911	23	14.3
1914	9	14.3
1915	3	14.3
1916	19	14.3
1917	11	14.3
1918	18	14.3
1919	17	14.3
1920	17	11
1922	12	11
1926	2	11
1928	13	11
1930	10	18.6
1931	28	18.6
1932	13	18.6
1933	20	18.6
1934	18	18.6
1936	16	18.6
1938	25	18.6
1939	19	18.6
1940	14	22.8
1941	21	22.8
1942	25	22.8
1943	10	22.8
1944	29	22.8
1945	29	22.8
1946	13	22.8
1947	35	22.8
1948	22	22.8
1949	30	22.8
1950	8	16
1951	6	16
1952	23	16
1953	26	16
1954	4	16
1955	39	16
1956	6	16
1957	12	16
1958	8	16
1959	28	16
1961	13	9.7
1962	6	9.7
1963	21	9.7
1965	7	9.7
1966	4	9.7
1967	7	9.7

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

First to last qualifying date each year at Bloomfield
Year	First date	Last date
1907	1907-06-18	1907-08-11
1911	1911-05-20	1911-08-10
1914	1914-05-27	1914-09-22
1915	1915-06-05	1915-09-15
1916	1916-07-07	1916-08-22
1917	1917-07-22	1917-08-12
1918	1918-05-18	1918-08-24
1919	1919-06-02	1919-08-21
1920	1920-05-31	1920-09-27
1922	1922-05-28	1922-10-01
1926	1926-07-20	1926-07-22
1928	1928-07-03	1928-08-29
1930	1930-05-13	1930-10-13
1931	1931-05-30	1931-09-15
1932	1932-05-16	1932-08-27
1933	1933-06-07	1933-08-24
1934	1934-05-06	1934-08-20
1936	1936-06-03	1936-08-17
1938	1938-06-20	1938-08-22
1939	1939-06-11	1939-09-18
1940	1940-06-12	1940-08-19
1941	1941-04-20	1941-09-23
1942	1942-06-10	1942-09-19
1943	1943-06-25	1943-08-23
1944	1944-05-04	1944-08-18
1945	1945-06-14	1945-09-09
1946	1946-06-25	1946-09-20
1947	1947-06-11	1947-09-11
1948	1948-06-03	1948-09-14
1949	1949-06-04	1949-08-28
1950	1950-06-09	1950-08-18
1951	1951-05-26	1951-07-12
1952	1952-07-03	1952-08-29
1953	1953-05-10	1953-09-06
1954	1954-06-18	1954-08-25
1955	1955-05-23	1955-08-23
1956	1956-06-12	1956-08-18
1957	1957-06-15	1957-09-22
1958	1958-07-01	1958-08-31
1959	1959-05-27	1959-09-11
1961	1961-05-14	1961-09-24
1962	1962-05-18	1962-06-30
1963	1963-06-02	1963-07-30
1965	1965-06-29	1965-09-23
1966	1966-07-04	1966-08-10
1967	1967-06-04	1967-07-25

Every Fixed Threshold

Fixed thresholds at Bloomfield
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	46	39	1955	7
35 C (95 F): Days	12	4	1911	2
90 F (32.2 C): Days	39	20	1949	1
0 C (32 F): Ice days (max	46	90	1926	72
0 C (32 F): Frost days (min	48	224	1966	217
-10 C (14 F): Days with min	48	108	1967	108
-20 C (-4 F): Days with min	48	55	1934	44
-30 C (-22 F): Days with min	45	15	1914	9
-40 C (-40 F): Days with min	8	2	1917	1
20 C (68 F): Tropical nights (min	14	7	1926	1
10 mm (0.39 in): Days with 10 mm or more rain	45	46	1954	27
25 mm (0.98 in): Days with 25 mm or more rain	45	11	1934	4
50 mm (1.97 in): Days with 50 mm or more rain	23	3	1950	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1907	1
10 cm (3.9 in): Days with 10 cm or more snowfall	20	14	1967	14
25 cm (9.8 in): Days with 25 cm or more snowfall	9	2	1952	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Bloomfield 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).

Bloomfield Threshold Days by Year (USC00430690)

Key Facts for Bloomfield Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related