Libby 32 SSE Threshold Days by Year (USC00245020)

15 fixed thresholds counted per year at Libby 32 SSE (USC00245020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Libby 32 SSE Thresholds

Libby 32 SSE: days with a maximum temperature at or below 0 C (32 F) in 65 years, most in 1985 with 84.
Libby 32 SSE: nights with a minimum temperature at or below 0 C (32 F) in 65 years, most in 1994 with 267.
Libby 32 SSE: nights with a minimum temperature at or below -10 C (14 F) in 65 years, most in 1985 with 103.
Libby 32 SSE: nights with a minimum temperature at or below -20 C (-4 F) in 65 years, most in 1985 with 28.
15 fixed thresholds have at least one qualifying day at Libby 32 SSE.

Days at or above 30 C (86 F)

64 years with a qualifying day

Days per year at Libby 32 SSE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 2003.

Days at or above 30 C (86 F) per year at Libby 32 SSE
Year	Days	Decade average
1950	12	16.4
1951	22	16.4
1952	21	16.4
1953	18	16.4
1954	5	16.4
1955	23	16.4
1956	22	16.4
1957	8	16.4
1960	22	18.6
1961	30	18.6
1962	15	18.6
1963	22	18.6
1964	10	18.6
1965	17	18.6
1966	12	18.6
1967	32	18.6
1968	14	18.6
1969	12	18.6
1970	27	18.7
1971	26	18.7
1972	12	18.7
1973	27	18.7
1974	20	18.7
1975	17	18.7
1976	8	18.7
1977	14	18.7
1978	13	18.7
1979	23	18.7
1980	3	14.4
1981	21	14.4
1982	8	14.4
1983	14	14.4
1984	17	14.4
1985	22	14.4
1986	17	14.4
1987	11	14.4
1988	19	14.4
1989	12	14.4
1990	12	15.3
1991	11	15.3
1992	16	15.3
1993	2	15.3
1994	26	15.3
1996	17	15.3
1997	5	15.3
1998	36	15.3
1999	13	15.3
2000	20	19.5
2001	24	19.5
2002	11	19.5
2003	41	19.5
2004	15	19.5
2005	16	19.5
2006	19	19.5
2007	26	19.5
2008	10	19.5
2009	13	19.5
2010	2	9.2
2011	3	9.2
2012	10	9.2
2013	6	9.2
2015	23	9.2
2016	11	9.2
2020	14	14

For each year, a bar from the first to the last day at Libby 32 SSE meeting 30 C (86 F).

First to last qualifying date each year at Libby 32 SSE
Year	First date	Last date
1950	1950-07-02	1950-09-03
1951	1951-07-13	1951-08-21
1952	1952-07-08	1952-09-26
1953	1953-07-07	1953-09-15
1954	1954-07-04	1954-08-08
1955	1955-06-13	1955-09-07
1956	1956-05-31	1956-08-23
1957	1957-07-05	1957-09-06
1960	1960-07-06	1960-09-03
1961	1961-06-15	1961-08-24
1962	1962-06-24	1962-08-16
1963	1963-07-03	1963-09-10
1964	1964-07-07	1964-08-17
1965	1965-06-11	1965-08-18
1966	1966-05-26	1966-08-25
1967	1967-07-02	1967-09-21
1968	1968-07-04	1968-08-04
1969	1969-06-04	1969-09-10
1970	1970-06-03	1970-08-26
1971	1971-06-22	1971-08-27
1972	1972-05-30	1972-08-29
1973	1973-06-21	1973-09-06
1974	1974-06-14	1974-08-06
1975	1975-07-02	1975-08-05
1976	1976-06-29	1976-09-01
1977	1977-06-06	1977-08-21
1978	1978-06-28	1978-08-09
1979	1979-06-26	1979-09-15
1980	1980-07-08	1980-07-28
1981	1981-07-04	1981-09-18
1982	1982-06-20	1982-08-21
1983	1983-05-28	1983-08-30
1984	1984-06-28	1984-08-22
1985	1985-06-28	1985-07-29
1986	1986-05-26	1986-08-28
1987	1987-06-14	1987-09-01
1988	1988-06-16	1988-09-05
1989	1989-07-07	1989-08-12
1990	1990-07-11	1990-09-11
1991	1991-07-03	1991-08-31
1992	1992-06-22	1992-08-19
1993	1993-05-12	1993-06-20
1994	1994-06-23	1994-08-19
1996	1996-06-07	1996-08-30
1997	1997-07-29	1997-08-06
1998	1998-07-09	1998-09-17
1999	1999-05-24	1999-08-29
2000	2000-07-12	2000-08-23
2001	2001-05-23	2001-09-25
2002	2002-06-26	2002-07-24
2003	2003-05-24	2003-09-04
2004	2004-07-14	2004-08-17
2005	2005-06-21	2005-08-21
2006	2006-05-18	2006-09-05
2007	2007-06-28	2007-09-03
2008	2008-06-29	2008-08-18
2009	2009-07-18	2009-09-02
2010	2010-07-26	2010-08-26
2011	2011-07-12	2011-09-24
2012	2012-07-08	2012-08-20
2013	2013-07-01	2013-07-26
2015	2015-06-08	2015-08-26
2016	2016-06-07	2016-08-30
2020	2020-05-30	2020-09-04

Every Fixed Threshold

Fixed thresholds at Libby 32 SSE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	64	41	2003	14
35 C (95 F): Days	21	5	2007	1
90 F (32.2 C): Days	57	21	1998	6
100 F (37.8 C): Days	2	1	1950	1
0 C (32 F): Ice days (max	65	84	1985	44
0 C (32 F): Frost days (min	65	267	1994	225
-10 C (14 F): Days with min	65	103	1985	52
-20 C (-4 F): Days with min	65	28	1985	2
-30 C (-22 F): Days with min	41	15	1993	1
-40 C (-40 F): Days with min	3	3	1950	2
10 mm (0.39 in): Days with 10 mm or more rain	65	29	1972	25
25 mm (0.98 in): Days with 25 mm or more rain	44	5	1955	2
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1953	1
10 cm (3.9 in): Days with 10 cm or more snowfall	60	17	1955	11
25 cm (9.8 in): Days with 25 cm or more snowfall	16	5	1954	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

Data for Libby 32 SSE 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).

Libby 32 SSE Threshold Days by Year (USC00245020)

Key Facts for Libby 32 SSE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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