Upham 3 N Threshold Days by Year

18 fixed thresholds counted per year at Upham 3 N (USC00328913): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Upham 3 N Thresholds

Upham 3 N: days with 10 mm (0.39 in) or more of precipitation in 81 years, most in 1975 with 23.
Upham 3 N: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 1998 with 9.
Upham 3 N: days with a maximum temperature at or above 30 C (86 F) in 73 years, most in 1961 with 65.
Upham 3 N: days with a maximum temperature at or above 90 F (32.2 C) in 73 years, most in 1961 with 47.
18 fixed thresholds have at least one qualifying day at Upham 3 N.

Days at or above 30 C (86 F)

73 years with a qualifying day

Days per year at Upham 3 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1961.

Days at or above 30 C (86 F) per year at Upham 3 N
Year	Days	Decade average
1949	55	55
1950	23	33.6
1951	19	33.6
1952	44	33.6
1953	43	33.6
1954	19	33.6
1955	41	33.6
1956	27	33.6
1957	39	33.6
1958	34	33.6
1959	47	33.6
1960	46	37.5
1961	65	37.5
1962	22	37.5
1963	45	37.5
1964	30	37.5
1965	19	37.5
1966	45	37.5
1967	49	37.5
1968	23	37.5
1969	31	37.5
1970	37	25.5
1971	24	25.5
1972	22	25.5
1973	21	25.5
1974	24	25.5
1975	19	25.5
1976	29	25.5
1977	25	25.5
1978	33	25.5
1979	21	25.5
1980	43	33.6
1981	27	33.6
1982	22	33.6
1983	37	33.6
1984	45	33.6
1985	16	33.6
1986	29	33.6
1987	29	33.6
1988	54	33.6
1989	34	33.6
1990	31	23.4
1991	29	23.4
1992	24	23.4
1993	12	23.4
1994	18	23.4
1995	28	23.4
1996	22	23.4
1997	33	23.4
1998	26	23.4
1999	11	23.4
2000	17	22.3
2001	30	22.3
2002	23	22.3
2003	36	22.3
2004	7	22.3
2005	17	22.3
2006	38	22.3
2007	27	22.3
2008	15	22.3
2009	13	22.3
2010	12	20.7
2011	21	20.7
2012	32	20.7
2013	18	20.7
2014	10	20.7
2015	26	20.7
2016	19	20.7
2017	22	20.7
2018	30	20.7
2019	17	20.7
2020	27	37.5
2021	48	37.5

For each year, a bar from the first to the last day at Upham 3 N meeting 30 C (86 F).

First to last qualifying date each year at Upham 3 N
Year	First date	Last date
1949	1949-04-29	1949-09-24
1950	1950-06-04	1950-09-25
1951	1951-05-23	1951-08-04
1952	1952-04-18	1952-09-27
1953	1953-05-06	1953-10-15
1954	1954-06-23	1954-09-01
1955	1955-05-13	1955-09-03
1956	1956-05-21	1956-09-26
1957	1957-04-30	1957-10-03
1958	1958-04-14	1958-09-13
1959	1959-05-24	1959-09-14
1960	1960-05-12	1960-10-04
1961	1961-05-30	1961-09-01
1962	1962-06-14	1962-09-06
1963	1963-05-30	1963-10-04
1964	1964-05-20	1964-10-13
1965	1965-05-13	1965-08-23
1966	1966-05-21	1966-09-20
1967	1967-05-17	1967-09-22
1968	1968-06-02	1968-09-15
1969	1969-05-27	1969-09-14
1970	1970-05-18	1970-10-01
1971	1971-06-04	1971-09-03
1972	1972-05-15	1972-09-20
1973	1973-05-18	1973-09-01
1974	1974-06-04	1974-09-27
1975	1975-06-25	1975-08-24
1976	1976-06-05	1976-10-01
1977	1977-04-10	1977-08-20
1978	1978-05-23	1978-09-11
1979	1979-05-17	1979-09-17
1980	1980-04-19	1980-09-08
1981	1981-04-17	1981-09-19
1982	1982-04-24	1982-09-11
1983	1983-06-11	1983-09-03
1984	1984-05-17	1984-09-18
1985	1985-04-29	1985-08-09
1986	1986-05-28	1986-08-31
1987	1987-04-29	1987-08-11
1988	1988-05-25	1988-10-15
1989	1989-06-07	1989-10-01
1990	1990-04-22	1990-09-26
1991	1991-05-10	1991-09-08
1992	1992-05-01	1992-10-02
1993	1993-05-12	1993-08-12
1994	1994-05-18	1994-09-10
1995	1995-06-01	1995-09-05
1996	1996-06-09	1996-09-10
1997	1997-06-01	1997-10-03
1998	1998-06-26	1998-09-11
1999	1999-05-29	1999-09-01
2000	2000-05-03	2000-08-25
2001	2001-04-29	2001-09-06
2002	2002-05-29	2002-08-24
2003	2003-05-30	2003-10-10
2004	2004-04-28	2004-09-19
2005	2005-06-19	2005-09-11
2006	2006-05-24	2006-09-16
2007	2007-04-29	2007-09-30
2008	2008-07-01	2008-09-01
2009	2009-06-19	2009-09-24
2010	2010-07-02	2010-08-28
2011	2011-06-30	2011-10-06
2012	2012-05-18	2012-09-30
2013	2013-05-14	2013-09-07
2014	2014-05-24	2014-09-27
2015	2015-06-09	2015-09-14
2016	2016-05-06	2016-09-02
2017	2017-06-02	2017-09-13
2018	2018-05-16	2018-08-31
2019	2019-05-30	2019-09-17
2020	2020-06-02	2020-09-23
2021	2021-05-17	2021-10-07

Every Fixed Threshold

Fixed thresholds at Upham 3 N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	73	65	1961	48
35 C (95 F): Days	62	24	1961	9
40 C (104 F): Days	5	2	1960	1
90 F (32.2 C): Days	73	47	1961	27
100 F (37.8 C): Days	27	12	1988	3
0 C (32 F): Ice days (max	73	129	1996	73
0 C (32 F): Frost days (min	71	222	2002	200
-10 C (14 F): Days with min	71	134	1955	77
-20 C (-4 F): Days with min	71	84	1978	38
-30 C (-22 F): Days with min	70	40	1978	15
-40 C (-40 F): Days with min	18	5	1996	2
20 C (68 F): Tropical nights (min	34	5	1983	5
10 mm (0.39 in): Days with 10 mm or more rain	81	23	1975	6
25 mm (0.98 in): Days with 25 mm or more rain	74	9	1998	4
50 mm (1.97 in): Days with 50 mm or more rain	30	4	1944	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1968	1
10 cm (3.9 in): Days with 10 cm or more snowfall	64	8	1975	5
25 cm (9.8 in): Days with 25 cm or more snowfall	11	3	1998	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

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Data for Upham 3 N 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Upham 3 N Threshold Days by Year

Key Facts for Upham 3 N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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