Springfield 1 NW Threshold Days by Year

18 fixed thresholds counted per year at Springfield 1 NW (USC00217907): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Springfield 1 NW Thresholds

Springfield 1 NW: days with a maximum temperature at or above 30 C (86 F) in 72 years, most in 1939 with 70.
Springfield 1 NW: days with a maximum temperature at or above 90 F (32.2 C) in 72 years, most in 1988 with 46.
Springfield 1 NW: days with a maximum temperature at or below 0 C (32 F) in 72 years, most in 1978 with 104.
Springfield 1 NW: nights with a minimum temperature at or below 0 C (32 F) in 72 years, most in 1993 with 190.
18 fixed thresholds have at least one qualifying day at Springfield 1 NW.

Days at or above 30 C (86 F)

72 years with a qualifying day

Days per year at Springfield 1 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 70 in 1939.

Days at or above 30 C (86 F) per year at Springfield 1 NW
Year	Days	Decade average
1938	52	61
1939	70	61
1940	49	44.4
1941	52	44.4
1942	27	44.4
1943	43	44.4
1944	40	44.4
1948	49	44.4
1949	51	44.4
1950	25	39.3
1951	17	39.3
1952	52	39.3
1953	44	39.3
1954	42	39.3
1955	49	39.3
1956	39	39.3
1957	30	39.3
1959	56	39.3
1960	36	35
1961	36	35
1962	22	35
1963	38	35
1964	56	35
1965	25	35
1966	49	35
1967	24	35
1968	33	35
1969	31	35
1970	60	40.7
1971	34	40.7
1972	38	40.7
1973	39	40.7
1974	40	40.7
1975	46	40.7
1976	59	40.7
1977	32	40.7
1978	38	40.7
1979	21	40.7
1980	47	39.6
1981	23	39.6
1982	25	39.6
1983	59	39.6
1984	27	39.6
1985	29	39.6
1986	28	39.6
1987	53	39.6
1988	69	39.6
1989	36	39.6
1990	39	26.9
1991	34	26.9
1992	16	26.9
1993	11	26.9
1994	20	26.9
1995	33	26.9
1996	20	26.9
1997	30	26.9
1998	31	26.9
1999	35	26.9
2000	26	32.4
2001	41	32.4
2002	45	32.4
2003	39	32.4
2004	18	32.4
2005	38	32.4
2006	36	32.4
2007	48	32.4
2008	20	32.4
2009	13	32.4
2010	35	39.5
2011	37	39.5
2012	55	39.5
2013	31	39.5

For each year, a bar from the first to the last day at Springfield 1 NW meeting 30 C (86 F).

First to last qualifying date each year at Springfield 1 NW
Year	First date	Last date
1938	1938-06-06	1938-10-17
1939	1939-04-24	1939-09-23
1940	1940-05-12	1940-09-19
1941	1941-05-13	1941-09-20
1942	1942-05-28	1942-09-11
1943	1943-05-28	1943-08-31
1944	1944-05-14	1944-09-17
1948	1948-05-19	1948-09-19
1949	1949-05-03	1949-09-03
1950	1950-05-23	1950-10-30
1951	1951-06-16	1951-10-02
1952	1952-04-27	1952-09-30
1953	1953-05-25	1953-10-15
1954	1954-04-14	1954-09-01
1955	1955-05-19	1955-10-10
1956	1956-05-12	1956-09-27
1957	1957-06-20	1957-09-01
1959	1959-05-01	1959-09-09
1960	1960-04-22	1960-09-06
1961	1961-05-11	1961-09-10
1962	1962-04-24	1962-08-28
1963	1963-05-07	1963-10-06
1964	1964-04-16	1964-09-09
1965	1965-06-19	1965-08-25
1966	1966-05-21	1966-09-01
1967	1967-05-18	1967-10-02
1968	1968-04-30	1968-08-23
1969	1969-05-15	1969-08-29
1970	1970-04-26	1970-10-05
1971	1971-05-14	1971-09-08
1972	1972-05-16	1972-09-20
1973	1973-05-21	1973-09-11
1974	1974-05-21	1974-10-11
1975	1975-05-18	1975-10-14
1976	1976-05-20	1976-10-12
1977	1977-04-10	1977-09-09
1978	1978-05-20	1978-09-12
1979	1979-05-18	1979-09-05
1980	1980-04-21	1980-10-08
1981	1981-04-28	1981-09-11
1982	1982-05-04	1982-08-20
1983	1983-05-28	1983-09-29
1984	1984-05-21	1984-09-22
1985	1985-04-18	1985-09-19
1986	1986-05-30	1986-08-26
1987	1987-04-18	1987-10-05
1988	1988-04-09	1988-09-19
1989	1989-05-18	1989-09-19
1990	1990-04-23	1990-09-27
1991	1991-04-07	1991-09-01
1992	1992-05-01	1992-10-03
1993	1993-06-12	1993-10-07
1994	1994-04-19	1994-09-15
1995	1995-06-04	1995-10-13
1996	1996-05-18	1996-08-26
1997	1997-06-16	1997-10-08
1998	1998-05-05	1998-09-20
1999	1999-05-29	1999-09-26
2000	2000-05-04	2000-09-19
2001	2001-05-10	2001-10-03
2002	2002-04-16	2002-10-01
2003	2003-04-14	2003-10-20
2004	2004-04-19	2004-09-20
2005	2005-06-07	2005-10-04
2006	2006-05-24	2006-10-08
2007	2007-04-22	2007-10-07
2008	2008-05-26	2008-09-27
2009	2009-04-24	2009-08-15
2010	2010-05-23	2010-10-10
2011	2011-05-11	2011-10-06
2012	2012-05-15	2012-09-12
2013	2013-05-15	2013-09-19

Every Fixed Threshold

Fixed thresholds at Springfield 1 NW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	72	70	1939	31
35 C (95 F): Days	65	26	1988	1
40 C (104 F): Days	4	2	1940	2
90 F (32.2 C): Days	72	46	1988	15
100 F (37.8 C): Days	21	9	1988	1
0 C (32 F): Ice days (max	72	104	1978	96
0 C (32 F): Frost days (min	72	190	1993	189
-10 C (14 F): Days with min	72	98	1978	91
-20 C (-4 F): Days with min	72	51	1978	26
-30 C (-22 F): Days with min	42	9	1982	2
20 C (68 F): Tropical nights (min	71	27	1983	8
25 C (77 F): Days with min	17	2	1940	1
10 mm (0.39 in): Days with 10 mm or more rain	72	35	1968	18
25 mm (0.98 in): Days with 25 mm or more rain	72	12	1995	3
50 mm (1.97 in): Days with 50 mm or more rain	36	4	1968	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1962	1
10 cm (3.9 in): Days with 10 cm or more snowfall	65	8	1983	5
25 cm (9.8 in): Days with 25 cm or more snowfall	21	2	1965	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

Download the Data

Data for Springfield 1 NW 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Springfield 1 NW Threshold Days by Year

Key Facts for Springfield 1 NW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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